MAX8877C/D17 - Maxim Integrated Products, Inc.

19-1301; Rev 2; 1/01
Low-Noise, Low-Dropout, 150mA Linear
Regulators with '2982 Pinout
__________________General Description
The MAX8877/MAX8878 low-noise, low-dropout linear regulators operate from a 2.5V to 6.5V input and deliver up to 150mA. These devices are pin-compatible with the industry-standard '2982 and offer an improved dropout voltage. Typical output noise is 30µV
RMS
, and typical dropout is only 165mV at 150mA. The output voltage is preset to voltages in the range of 1.5V to
5.0V, in 100mV increments.
Designed with an internal P-channel MOSFET pass transistor, the MAX8877/MAX8878 maintain a low
100µA supply current, independent of the load current and dropout voltage. Other features include a 10nA logic-controlled shutdown mode, short-circuit and thermal-shutdown protection, and reverse battery protection. The MAX8878 also includes an auto-discharge function, which actively discharges the output voltage to ground when the device is placed in shutdown. Both devices come in regular and thin 5-pin SOT23 packages.
________________________Applications
Cellular Telephones
Cordless Telephones
PCS Telephones
PCMCIA Cards
Modems
Hand-Held Instruments
Palmtop Computers
Electronic Planners
____________________________Features
♦ Pin-Compatible with the Industry-Standard '2982
♦ Low Output Noise: 30µV
RMS
♦ Low 55mV Dropout at 50mA Output
(165mV at 150mA output)
♦ Low 85µA No-Load Supply Current
♦ Low 100µA Operating Supply Current
(even in dropout)
♦ Thermal-Overload and Short-Circuit Protection
♦ Reverse Battery Protection
♦ Output Current Limit
♦ Preset Output Voltages (±1.4% Accuracy)
♦ 10nA Logic-Controlled Shutdown
_________________Ordering Information
PART**
TEMP.
RANGE
PIN-PACKAGE
MAX8877C/Dxy
MAX8877EUKxy-T
MAX8877EZKxy-T
MAX8878C/Dxy
MAX8878EUKxy-T
MAX8878EZKxy-T
0
°C to +70°C Dice*
-40
°C to +85°C 5 SOT23-5 Regular
-40
°C to +85°C 5 SOT23-5 Thin
0
°C to +70°C Dice*
-40
°C to +85°C 5 SOT23-5 Regular
-40
°C to +85°C 5 SOT23-5 Thin
*Dice are tested at T
A
= +25°C only.
**xy is the output voltage code (see Expanded Ordering
Information table at end of data sheet).
____________Typical Operating Circuit _____________________Pin Configuration
TOP VIEW
ON
INPUT
2.5V TO 6.5V
IN
C
IN
1
µF
OFF
SHDN
MAX8877
MAX8878
C
BP
0.01
µF
BP
GND
OUT
C
OUT
3.3
µF
OUTPUT
PRESET
1.5V TO 5.0V
150mA
IN
1
GND 2
MAX8877
MAX8878
5 OUT
SHDN 3 4 BP
SOT23-5
REGULAR AND THIN
________________________________________________________________ Maxim Integrated Products 1
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Low-Noise, Low-Dropout, 150mA Linear
Regulators with '2982 Pinout
ABSOLUTE MAXIMUM RATINGS
IN to GND ....................................................................-7V to +7V
Output Short-Circuit Duration ............................................Infinite
SHDN to GND..............................................................-7V to +7V
SHDN to IN ...............................................................-7V to +0.3V
OUT, BP to GND ..........................................-0.3V to (V
IN
+ 0.3V)
Continuous Power Dissipation (T
A
= +70°C)
SOT23-5 Regular (derate 7.1mW/°C above +70°C) ....571mW
SOT23-5 Thin (derate 9.1mW/°C above +70°C) ..........727mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
θ
θ
JB
JB
(Regular)..................................................................140°C/W
(Thin)........................................................................110°C/W
Storage Temperature.........................................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V
IN
= V
OUT(NOMINAL)
+ 0.5V or 2.5V (whichever is greater), T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
=
+25°C.) (Note 1)
PARAMETER
Input Voltage
Output Voltage Accuracy
SYMBOL
V
IN
CONDITIONS
I
OUT
= 0.1mA, T
A
= +25°C, V
OUT
≥ 2.5V
I
OU T
V
= 0.1m A to 120m A, T
A
OUT
≥ 2.5V
= - 40° C to + 85°C ,
I
OUT
= 0.1mA, T
A
= +25°C, V
OUT
< 2.5V
I
OUT
= 0.1mA to 120mA, T
A
= -40°C to +85°C,
V
OUT
< 2.5V
MIN
2.5
-1.4
-3
-3
-3.5
TYP MAX UNITS
6.5
V
1.4
2
3
3.5
%
Maximum Output Current
Current Limit I
LIM
150
160 mA mA
Ground Pin Current
Dropout Voltage (Note 2)
Line Regulation
Load Regulation
Output Voltage Noise
I
Q
∆V
LNR
∆V
LDR e n
No load
I
OUT
= 150mA
I
OUT
= 1mA
I
OUT
= 50mA
I
OUT
= 150mA
V
IN
= 2.5V or (V
OUT
+ 0.1V) to 6.5V,
I
OUT
= 1mA
I
OUT
= 0.1mA to 120mA, C
OUT
= 1µF f = 10Hz to 100kHz,
C
BP
= 0.01µF
C
OUT
= 10µF
C
OUT
= 100µF
-0.15
390
85
100
1.1
55
165
0
0.01
30
20
180
120
0.15
0.04
µA mV
%/V
%/mA
µVRMS
SHUTDOWN
SHDN Input Threshold
SHDN Input Bias Current
Shutdown Supply Current
Shutdown Exit Delay
(Note 3)
Resistance Shutdown Discharge
V
IH
V
IL
V
IN
= 2.5V to 5.5V
V
IN
= 2.5V to 5.5V
I
I
SHDN
Q(SHDN)
V
SHDN
= V
IN
T
A
= +25°C
T
A
= +85°C
T
A
= +25°C
V
OUT
= 0V
T
A
= +85°C
C
BP
= 0.1µF
T
A
= +25°C
C
OUT
= 1µF, no load
T
A
= -40°C to +85°C
MAX8878 only
2.0
0.01
0.5
0.01
0.2
30
300
0.4
100
1
150
300
V
µA
µA
µs
Ω
2 _______________________________________________________________________________________
Low-Noise, Low-Dropout, 150mA Linear
Regulators with '2982 Pinout
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= V
OUT(NOMINAL)
+ 0.5V or 2.5V (whichever is greater), T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
=
+25°C.) (Note 1)
PARAMETER
THERMAL PROTECTION
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
SYMBOL
T
SHDN
∆T
SHDN
CONDITIONS MIN TYP
155
15
MAX UNITS
Note 1: Limits are 100% production tested at T
A
= +25°C. Limits over the operating temperature range are guaranteed through correlation using Statistical Quality Control (SQC) Methods.
Note 2: The dropout voltage is defined as V
IN
- V
OUT
, when V
OUT is 100mV below the value of V
OUT for V
IN
= V
OUT
+ 0.5V. (Only applicable for V
OUT
= +2.5V to +5V.)
Note 3: Time needed for V
OUT to reach 95% of final value.
°C
°C
__________________________________________Typical Operating Characteristics
(V
IN
= V
OUT(NOMINAL)
+ 0.5V or 2.5V (whichever is greater), C
IN
= 1µF, C
OUT
= 1µF, C
BP
= 0.01µF, T
A
= +25°C, unless otherwise noted.)
OUTPUT VOLTAGE vs. LOAD CURRENT
(MAX887_EUK25)
OUTPUT VOLTAGE vs. LOAD CURRENT
(MAX887_EUK50)
GROUND PIN CURRENT vs. LOAD CURRENT
2.60
5.2
2.55
2.50
2.45
2.40
5.1
5.0
4.9
4.8
110
105
100
95
90
85
80
75
70
65
60
MAX887_EUK50
MAX887_EUK25
0 50 100
LOAD CURRENT (mA)
150 0 50 100
LOAD CURRENT (mA)
150
0 50 100
LOAD CURRENT (mA)
150
120
GROUND PIN CURRENT vs. INPUT VOLTAGE
(MAX887_EUK25)
I
LOAD
= 50mA
100
120
GROUND PIN CURRENT vs. INPUT VOLTAGE
(MAX887_EUK50)
I
LOAD
= 50mA
100
6
5
OUTPUT VOLTAGE vs. INPUT VOLTAGE
NO LOAD
MAX887_EUK50
80
80 4
NO LOAD
NO LOAD
60
60
3
40
20
0
0 1 2 3 4
INPUT VOLTAGE (V)
5 6
40
20
0
0 1 2 3 4
INPUT VOLTAGE (V)
5 6
2
1
0
0 1
MAX887_EUK25
2 3 4
INPUT VOLTAGE (V)
5 6
_______________________________________________________________________________________
3
Low-Noise, Low-Dropout, 150mA Linear
Regulators with '2982 Pinout
Typical Operating Characteristics (continued)
(V
IN
= V
OUT(NOMINAL)
+ 0.5V or 2.5V (whichever is greater), C
IN
= 1µF, C
OUT
= 1µF, C
BP
= 0.01µF, T
A
= +25°C, unless otherwise noted.)
2.60
OUTPUT VOLTAGE vs. TEMPERATURE
(MAX887_EUK25)
I
LOAD
= 50mA
2.55
2.50
2.45
2.40
-40 -20 0 20 40
TEMPERATURE (°C)
60 80 100
DROPOUT VOLTAGE vs. LOAD CURRENT
(MAX887_EUK25)
250
200
150
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
100
50
0
0 20 40 60 80 100 120 140 160
LOAD CURRENT (mA)
OUTPUT NOISE SPECTRAL DENSITY vs. FREQUENCY
10
C
BP
= 0.01
µF
I
LOAD
= 10mA
1
0.1
0.01
0
C
OUT
= 1
µF
C
OUT
= 10
µF
1 10
FREQUENCY (kHz)
100 1000
5.2
OUTPUT VOLTAGE vs. TEMPERATURE
(MAX887_EUK50)
I
LOAD
= 50mA
5.1
5.0
4.9
4.8
-40 -20 0 20 40
TEMPERATURE (°C)
60 80 100
DROPOUT VOLTAGE vs. LOAD CURRENT
(MAX887_EUK50)
200
150
100
50
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
0
0 20 40 60 80 100 120 140 160
LOAD CURRENT (mA)
OUTPUT NOISE vs. BP CAPACITANCE
80
70
60
50
40
30
20
10
0
0.001
C
OUT
= 10
µF
I
LOAD
= 10mA f = 10Hz to 100kHz
MAX887_EUK50
MAX887_EUK30
MAX887_EUK25
0.01
BP CAPACITANCE (
µF)
0.1
GROUND PIN CURRENT vs. TEMPERATURE
200
180
160
140
120
100
80
60
40
20
0
-40 -20
MAX887_EUK50
0 20
I
LOAD
= 50mA
MAX887_EUK25
40 60 80 100
TEMPERATURE (°C)
POWER-SUPPLY REJECTION RATIO vs. FREQUENCY
70
60
50
40
30
20
C
C
OUT
OUT
10
0
0.01
I
LOAD
C
BP
= 50mA
= 0.1
µF
0.1
1 10
FREQUENCY (kHz)
100
= 10
µF
= 1
µF
1000
OUTPUT NOISE vs. LOAD CURRENT
60
50
40
MAX887_EUK50
MAX887_EUK30
30
20
MAX887_EUK25
10
0
1
C
C
OUT
BP
= 10
µF
= 0.01
µF f = 10Hz to 100kHz
10 100
LOAD CURRENT (mA)
1000
4 _______________________________________________________________________________________
Low-Noise, Low-Dropout, 150mA Linear
Regulators with '2982 Pinout
Typical Operating Characteristics (continued)
(V
IN
= V
OUT(NOMINAL)
+ 0.5V or 2.5V (whichever is greater), C
IN
= 1µF, C
OUT
= 1µF, C
BP
= 0.01µF, T
A
= +25°C, unless otherwise noted.)
OUTPUT NOISE 10Hz TO 100kHz
REGION OF STABLE C
OUT
ESR vs. LOAD CURRENT
100
V
OUT
50
µV/div
10
C
OUT
= 10
µF
1
0.1
STABLE REGION
C
OUT
= 1
µF
4V
3V
1ms/div
MAX887_EUK25, C
OUT
= 10
µF, I
LOAD
= 10mA, C
BP
= 0.1
µF
LINE-TRANSIENT RESPONSE
MAX8877-18
V
IN
3.01V
3.00V
2.99V
0.01
0 100
LOAD CURRENT (mA)
150
LOAD-TRANSIENT RESPONSE
NEAR DROPOUT
MAX8877-20
LOAD-TRANSIENT RESPONSE
MAX8877-19
V
OUT
3.01V
3.00V
2.99V
V
OUT
3.001V
3.000V
2.999V
V
OUT
50mA
2V
0V
100
µs/div
MAX887_EUK30, I
LOAD
= 50mA
MAX887_EUK25
SHUTDOWN EXIT DELAY
MAX8877-21
C
BP
= 0.01
µF
2V
1V
C
BP
= 0.1
0V
5
µs/div
MAX887_EUK25, I
LOAD
= 50mA
µF
10
µs/div
MAX887_EUK30, V
IN
C
IN
= 10
µF, I
LOAD
= V
OUT
+ 0.5V,
= 0mA TO 50mA
MAX887_EUK50
SHUTDOWN EXIT DELAY
MAX8877-22
V
SHDN
2V
0V
V
OUT
C
BP
= 0.01
µF
4V
C
BP
= 0.1
µF
2V
0V
5
µs/div
MAX887_EUK50, I
LOAD
= 50mA
V
SHDN
V
OUT
I
LOAD
50mA
I
LOAD
2V
0V
5V
10
µs/div
MAX887_EUK30, V
IN
= V
OUT
+ 0.1V,
C
IN
= 10
µF, I
LOAD
= 0mA TO 50mA
ENTERING SHUTDOWN
MAX8877-23
V
SHDN
0V
500
µs/div
MAX8878, NO LOAD
V
OUT
_______________________________________________________________________________________
5
Low-Noise, Low-Dropout, 150mA Linear
Regulators with '2982 Pinout
______________________________________________________________Pin Description
PIN
1
2
3
4
5
NAME
IN
GND
SHDN
BP
OUT
FUNCTION
Regulator Input. Supply voltage can range from 2.5V to 6.5V. Bypass with a 1
µF capacitor to GND
(see Capacitor Selection and Regulator Stability section).
Ground. This pin also functions as a heatsink. Solder to a large pad or the circuit-board ground plane to maximize power dissipation.
Active-Low Shutdown Input. A logic low reduces the supply current to 10nA. On the MAX8878, a logic low also causes the output voltage to discharge to GND. Connect to IN for normal operation.
Reference-Noise Bypass. Bypass with a low-leakage, 0.01
µF ceramic capacitor for reduced noise at the output.
Regulator Output. Sources up to 150mA. Bypass with a 1
µF (<0.2Ω typical ESR) capacitor to GND for V
OUT
≥ 2.5V and 3.3µF for V
OUT
< 2.5V.
_______________Detailed Description
The MAX8877/MAX8878 are low-noise, low-dropout, low-quiescent-current linear regulators designed primarily for battery-powered applications. The parts are available with preset output voltages ranging from 1.5V
to 5V, in 100mV increments. These devices can supply loads up to 150mA. As illustrated in Figure 1, the
MAX8877/MAX8878 consist of a 1.25V reference, error amplifier, P-channel pass transistor, and internal feedback voltage divider.
The 1.25V bandgap reference is connected to the error amplifier’s inverting input. The error amplifier compares this reference with the feedback voltage and amplifies the difference. If the feedback voltage is lower than the reference voltage, the pass-transistor gate is pulled lower, which allows more current to pass to the output and increases the output voltage. If the feedback voltage is too high, the pass-transistor gate is pulled up, allowing less current to pass to the output. The output voltage is fed back through an internal resistor voltage divider connected to the OUT pin.
An external bypass capacitor connected to the BP pin reduces noise at the output. Additional blocks include a current limiter, reverse battery protection, thermal sensor, and shutdown logic. The MAX8878 also includes an auto-discharge function, which actively discharges the output voltage to ground when the device is placed in shutdown mode.
IN
SHDN
REVERSE
BATTERY
PROTECTION
SHUTDOWN
AND
POWER-ON
CONTROL
ERROR
AMP
MOS DRIVER
WITH I
LIMIT
MAX8877
MAX8878
*
N
THERMAL
SENSOR
1.25V
REF
GND
* AUTO-DISCHARGE, MAX8878 ONLY
Figure 1. Functional Diagram
6 _______________________________________________________________________________________
P
OUT
BP
Output Voltage
The MAX8877/MAX8878 are supplied with factory-set output voltages from 1.5V to 5.0V, in 100mV increments.
Except for the MAX887_EUK29 and the MAX887_EUK32
(which have an output voltage preset at 2.84V and
3.15V, respectively), the two-digit suffix allows the customer to choose the output voltage in 100mV increments.
For example, the MAX8877EUK33 has a preset output voltage of 3.3V (see Expanded Ordering Information).
Internal P-Channel Pass Transistor
The MAX8877/MAX8878 feature a 1.1
Ω typical
P-channel MOSFET pass transistor. This provides several advantages over similar designs using PNP pass transistors, including longer battery life. The P-channel
MOSFET requires no base drive, which reduces quiescent current considerably. PNP-based regulators waste considerable current in dropout when the pass transistor saturates. They also use high base-drive currents under large loads. The MAX8877/MAX8878 do not suffer from these problems and consume only 100µA of quiescent current whether in dropout, light-load, or heavy-load applications (see the Typical Operating Characteristics).
Current Limit
The MAX8877/MAX8878 include a current limiter, which monitors and controls the pass transistor’s gate voltage, limiting the output current to 390mA. For design purposes, consider the current limit to be 160mA minimum to 500mA maximum. The output can be shorted to ground for an indefinite amount of time without damaging the part.
Thermal-Overload Protection
Thermal-overload protection limits total power dissipation in the MAX8877/MAX8878. When the junction temperature exceeds T
J
= +155°C, the thermal sensor signals the shutdown logic, turning off the pass transistor and allowing the IC to cool. The thermal sensor will turn the pass transistor on again after the IC’s junction temperature cools by 15°C, resulting in a pulsed output during continuous thermal-overload conditions.
Thermal-overload protection is designed to protect the
MAX8877/MAX8878 in the event of fault conditions. For continual operation, do not exceed the absolute maximum junction-temperature rating of T
J
= +150°C.
Operating Region and Power Dissipation
The MAX8877/MAX8878’s maximum power dissipation depends on the thermal resistance of the case and circuit board, the temperature difference between the die junction and ambient air, and the rate of air flow. The power dissipation across the device is P = I
OUT
(V
IN
- V
OUT
).
The maximum power dissipation is:
Low-Noise, Low-Dropout, 150mA Linear
Regulators with '2982 Pinout
P
MAX
= (T
J
- T
A
) / (
θ
JB
+
θ
BA
) where T
J
- T
A is the temperature difference between the MAX8877/MAX8878 die junction and the surrounding air,
θ
JB
(or
θ
JC
) is the thermal resistance of the package, and
θ
BA is the thermal resistance through the printed circuit board, copper traces, and other materials to the surrounding air.
The GND pin of the MAX8877/MAX8878 performs the dual function of providing an electrical connection to ground and channeling heat away. Connect the GND pin to ground using a large pad or ground plane.
Reverse Battery Protection
The MAX8877/MAX8878 have a unique protection scheme that limits the reverse supply current to 1mA when either V
IN or V
SHDN falls below ground. Their circuitry monitors the polarity of these two pins and disconnects the internal circuitry and parasitic diodes when the battery is reversed. This feature prevents device damage.
Noise Reduction
An external 0.01µF bypass capacitor at BP, in conjunction with an internal 200k
Ω resistor, creates a 80Hz lowpass filter for noise reduction. The MAX8877/MAX8878 exhibit 30µV
RMS of output voltage noise with C
BP
=
0.01µF and C
OUT
= 10µF. This is negligible in most applications. Start-up time is minimized by a power-on circuit that pre-charges the bypass capacitor. The
Typical Operating Characteristics section shows graphs of Noise vs. BP Capacitance, Noise vs. Load
Current, and Output Noise Spectral Density.
____________Applications Information
Capacitor Selection and
Regulator Stability
Normally, use a 1µF capacitor on the MAX8877/
MAX8878’s input and a 1µF to 10µF capacitor on the output. Larger input capacitor values and lower ESRs provide better supply-noise rejection and line-transient response. Reduce noise and improve load-transient response, stability, and power-supply rejection by using large output capacitors. For stable operation over the full temperature range and with load currents up to 150mA, a
1µF (min) ceramic capacitor is recommended for V
OUT
≥
2.5V and 3.3µF and for V
OUT
< 2.5V.
Note that some ceramic dielectrics exhibit large capacitance and ESR variation with temperature. With dielectrics such as Z5U and Y5V, it may be necessary to increase the capacitance by a factor of 2 or more to ensure stability at temperatures below -10°C. With X7R or
X5R dielectrics, 1µF should be sufficient at all operating temperatures for V
OUT
≥ 2.5V. A graph of the Region of
_______________________________________________________________________________________ 7
Low-Noise, Low-Dropout, 150mA Linear
Regulators with '2982 Pinout
Stable C
OUT
ESR vs. Load Current is shown in the
Typical Operating Characteristics.
Use a 0.01µF bypass capacitor at BP for low output voltage noise. Increasing the capacitance will slightly decrease the output noise, but increase the start-up time.
Values above 0.1µF provide no performance advantage and are not recommended (see Shutdown Exit Delay graphs in the Typical Operating Characteristics).
PSRR and Operation from
Sources Other than Batteries
The MAX8877/MAX8878 are designed to deliver low dropout voltages and low quiescent currents in batterypowered systems. Power-supply rejection is 63dB at low frequencies and rolls off above 10kHz. See the
Power-Supply Rejection Ratio Frequency graph in the
Typical Operating Characteristics.
When operating from sources other than batteries, improved supply-noise rejection and transient response can be achieved by increasing the values of the input and output bypass capacitors, and through passive filtering techniques. The Typical Operating Charac-
teristics show the MAX8877/MAX8878’s line- and loadtransient responses.
Load-Transient Considerations
The MAX8877/MAX8878 load-transient response graphs (see Typical Operating Characteristics) show two components of the output response: a DC shift from the output impedance due to the load current change, and the transient response. Typical transient for a step change in the load current from 0mA to 50mA is 12mV. Increasing the output capacitor’s value and decreasing the ESR attenuates the overshoot.
Input-Output (Dropout) Voltage
For output voltage greater than the minimum input voltage (2.5V), the regulator’s minimum input-output voltage differential (or dropout voltage) determines the lowest usable supply voltage. In battery-powered systems, this will determine the useful end-of-life battery voltage. Because the MAX8877/MAX8878 use a Pchannel MOSFET pass transistor, their dropout voltage is a function of drain-to-source on-resistance (R
DS(ON)
) multiplied by the load current (see Typical Operating
Characteristics).
___________________Chip Information
TRANSISTOR COUNT: 247
SUBSTRATE CONNECTED TO GND
_ Expanded Ordering Information
OUTPUT VOLTAGE (xy) CODE
REGULAR SOT23 THIN SOT23
MAX887_EUK15-T
MAX887_EUK18-T
MAX887_EUK25-T
MAX887_EUK28-T
MAX887_EUK29-T
MAX887_EUK30-T
MAX887_EUK32-T
MAX887_EUK33-T
MAX887_EUK36-T
MAX887_EUK50-T
Other xy***
MAX887_EZK15-T
MAX887_EZK18-T
MAX887_EZK25-T
MAX887_EZK28-T
MAX887_EZK29-T
MAX887_EZK30-T
MAX887_EZK32-T
MAX887_EZK33-T
MAX887_EZK36-T
MAX887_EZK50-T
PRESET
OUTPUT
VOLTAGE (V)
1.50
1.80
2.50
2.80
2.84
3.00
3.15
3.30
3.60
5.00
x.y0
MAX8877
REGULAR
ADRG
ADQT
ACBM
ACBN
ACBO
ACBP
ACBQ
ACBR
ACDB
ACBS
—
SOT TOP MARK
MAX8877
THIN
AAAA
AAAB
AAAC
AAAD
ADPM
AAAE
AAAF
AAAG
AAAH
AAAI
—
MAX8878
REGULAR
ADQV
ADRH
ACBT
ACBU
ACBV
ACBW
ACBX
ACBY
ACDC
ACBZ
—
MAX8878
THIN
AAAJ
AAAK
AAAL
AAAM
ADPO
AAAN
AAAO
AAAP
AAAQ
AAAR
—
***Other xy between 1.5V and 5.0V are available in 100mV increments. Contact factory for other versions. Minimum order quantity is 25,000 units.
8 _______________________________________________________________________________________
Low-Noise, Low-Dropout, 150mA Linear
Regulators with '2982 Pinout
Package Information
_______________________________________________________________________________________ 9
Low-Noise, Low-Dropout, 150mA Linear
Regulators with '2982 Pinout
Package Information (continued)
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
10 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2001 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.
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