TL783  HIGH-VOLTAGE ADJUSTABLE REGULATOR D
TL783
HIGH-VOLTAGE ADJUSTABLE REGULATOR
SLVS036D – SEPTEMBER 1981 – REVISED AUGUST 1999
D
D
D
D
D
D
D
KC PACKAGE
(TOP VIEW)
Output Adjustable From 1.25 V to 125 V
When Used With an External Resistor
Divider
700-mA Output Current
Full Short-Circuit, Safe-Operating-Area, and
Thermal-Shutdown Protection
0.001%/V Typical Input Voltage Regulation
0.15% Typical Output Voltage Regulation
76-dB Typical Ripple Rejection
Standard TO-220AB Package
IN
OUT
ADJ
The OUT terminal is in electrical
contact with the mounting base.
TO-220AB
I O
A
description
The TL783 is an adjustable three-terminal
high-voltage regulator with an output range of
1.25 V to 125 V and a DMOS output transistor
capable of sourcing more than 700 mA. It is
designed for use in high-voltage applications where standard bipolar regulators cannot be used. Excellent
performance specifications, superior to those of most bipolar regulators, are achieved through circuit design
and advanced layout techniques.
As a state-of-the-art regulator, the TL783 combines standard bipolar circuitry with high-voltage double-diffused
MOS transistors on one chip to yield a device capable of withstanding voltages far higher than standard bipolar
integrated circuits. Because of its lack of secondary-breakdown and thermal-runaway characteristics usually
associated with bipolar outputs, the TL783 maintains full overload protection while operating at up to 125 V from
input to output. Other features of the device include current limiting, safe-operating-area (SOA) protection, and
thermal shutdown. Even if ADJ is inadvertently disconnected, the protection circuitry remains functional.
Only two external resistors are required to program the output voltage. An input bypass capacitor is necessary
only when the regulator is situated far from the input filter. An output capacitor, although not required, improves
transient response and protection from instantaneous output short circuits. Excellent ripple rejection can be
achieved without a bypass capacitor at the adjustment terminal.
The TL783C is characterized for operation over the virtual junction temperature range of 0°C to 125°C.
AVAILABLE OPTIONS
PACKAGED DEVICE
TJ
HEAT-SINK
MOUNTED
(KC)
0°C to 125°C
TL783CKC
CHIP
FORM
(Y)
TL783Y
Chip forms are tested at 25°C.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright  1999, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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1
TL783
HIGH-VOLTAGE ADJUSTABLE REGULATOR
SLVS036D – SEPTEMBER 1981 – REVISED AUGUST 1999
functional block diagram
VI
–
IN
Error
Amplifier
VO
[V
ǒ) Ǔ
ref
+
1
R2
R1
VO
Protection
Circuit
OUT
Vref
R1
ADJ
R2
absolute maximum ratings over operating temperature range (unless otherwise noted)†
Input-to-output differential voltage, Vl – VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 V
Operating free-air, TA, case, TC, or virtual junction, TJ, temperature range . . . . . . . . . . . . . . . . . 0°C to 150°C
Package thermal impedance, θJA (see Notes 1 and 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22°C/W
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260°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 under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable
ambient temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can impact reliability. Due to
variations in individual device electrical characteristics and thermal resistance, the built-in thermal overload protection may be
activated at power levels slightly above or below the rated dissipation.
2. The package thermal impedance is calculated in accordance with JESD 51, except for through-hole packages, which use a trace
length of zero.
recommended operating conditions
MIN
Input-to-output voltage differential, VI – VO
Output current, IO
Operating virtual junction temperature, TJ
2
TL783C
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MAX
UNIT
125
V
15
700
mA
0
125
°C
TL783
HIGH-VOLTAGE ADJUSTABLE REGULATOR
SLVS036D – SEPTEMBER 1981 – REVISED AUGUST 1999
electrical characteristics at Vl – VO = 25 V, IO = 0.5 A, TJ = 0°C to 125°C (unless otherwise noted)
TL783C
TEST CONDITIONS†
PARAMETER
MIN
TYP
MAX
0.001
0.01
0.004
0.02
Input voltage
g
regulation‡
VI – VO = 20 V to 125 V
V,
P ≤ rated dissipation
TJ = 25°C
TJ = 0°C to 125°C
Ripple rejection
∆VI(PP) = 10 V,
VO = 10 V,
f = 120 Hz
IO = 15 mA to 700 mA
mA,
TJ = 25°C
VO ≤ 5 V
VO ≥ 5 V
7.5
25
0.15%
0.5%
IO = 15 mA to 700 mA
mA,
P ≤ rated dissipation
VO ≤ 5 V
VO ≥ 5 V
20
70
0.3%
1.5%
Output voltage
g
regulation
66
Output voltage change
with temperature
%/V
dB
mV
mV
0.4%
Output voltage
long-term drift
1000 hours at TJ = 125°C,
VI – VO = 125 V
Output noise voltage
f = 10 Hz to 10 kHz,
TJ = 25°C
Minimum
output current to
maintain regulation
VI – VO = 125 V
Peak output current
76
UNIT
0.2%
0.003%
15
VI – VO = 25 V,
VI – VO = 15 V,
t = 1 ms
VI – VO = 25 V,
VI – VO = 125 V,
t = 30 ms
700
900
t = 30 ms
100
250
mA
1100
t = 30 ms
715
ADJ input current
Change in
ADJ input current
VI – VO = 15 V to 125 V,
IO = 15 mA to 700 mA,
P ≤ rated dissipation
Reference voltage
(OUT to ADJ)
VI – VO = 10 V to 125 V,
See Note 3
IO = 15 mA to 700 mA,
P ≤ rated dissipation,
1.2
mA
83
110
µA
0.5
5
µA
1.27
1.3
V
† Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into
account separately.
‡ Input voltage regulation is expressed here as the percentage change in output voltage per 1-V change at the input.
NOTE 3: Due to the dropout voltage and output current-limiting characteristics of this device, output current is limited to less than 700 mA at
input-to-output voltage differentials of less than 25 V.
POST OFFICE BOX 655303
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3
TL783
HIGH-VOLTAGE ADJUSTABLE REGULATOR
SLVS036D – SEPTEMBER 1981 – REVISED AUGUST 1999
electrical characteristics at Vl – VO = 25 V, IO = 0.5 A, TJ = 25°C (unless otherwise noted)
Input voltage
regulation‡
VI – VO = 20 V to 125 V,
P ≤ rated dissipation
Ripple rejection
∆VI(PP) = 10 V,
VO = 10 V,
Output voltage
g
regulation
TL783Y
TEST CONDITIONS†
PARAMETER
MIN
0.001
Peak output current
MAX
UNIT
%/V
f = 120 Hz
76
dB
IO = 15 mA to 700 mA
VO ≤ 5 V
VO ≥ 5 V
7.5
mV
IO = 15 mA to 700 mA
mA,
VO ≤ 5 V
VO ≥ 5 V
P ≤ rated dissipation
Output voltage change
with temperature
Output noise voltage
TYP
0.15%
20
mV
0.3%
0.4%
f = 10 Hz to 10 kHz
0.003%
VI – VO = 25 V,
VI – VO = 15 V,
t = 1 ms
1100
t = 30 ms
715
VI – VO = 25 V,
VI – VO = 125 V,
t = 30 ms
900
t = 30 ms
250
ADJ input current
Change in
ADJ input current
VI – VO = 15 V to 125 V,
IO = 15 mA to 700 mA,
P ≤ rated dissipation
Reference voltage
(OUT to ADJ)
VI – VO = 10 V to 125 V,
See Note 3
IO = 15 mA to 700 mA,
P ≤ rated dissipation,
mA
83
µA
0.5
µA
1.27
V
† Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into
account separately.
‡ Input voltage regulation is expressed here as the percentage change in output voltage per 1-V change at the input.
NOTE 3: Due to the dropout voltage and output current-limiting characteristics of this device, output current is limited to less than 700 mA at
input-to-output voltage differentials of less than 25 V.
4
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TL783
HIGH-VOLTAGE ADJUSTABLE REGULATOR
SLVS036D – SEPTEMBER 1981 – REVISED AUGUST 1999
TYPICAL CHARACTERISTICS
OUTPUT CURRENT LIMIT
vs
INPUT-TO-OUTPUT VOLTAGE DIFFERENTIAL
OUTPUT CURRENT LIMIT
vs
INPUT-TO-OUTPUT VOLTAGE DIFFERENTIAL
2
1.8
ÎÎÎÎ
ÎÎÎÎÎ
2
tw = 1 ms
1.6
1.4
Output Current Limit – A
Output Current Limit – A
1.6
ÎÎÎÎ
ÎÎÎÎ
1.2
TC = 0°C
1
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎÎ
ÎÎÎÎÎ
0.8
0.6
TC = 25°C
0.4
0
0
25
50
1.4
TC = 0°C
1
0.8
TC = 25°C
0.6
TC = 125°C
0.2
0
75
100
0
125
25
50
75
100
Figure 1
Figure 2
OUTPUT CURRENT LIMIT
vs
TIME
RIPPLE REJECTION
vs
OUTPUT VOLTAGE
ÎÎÎÎÎ
ÎÎÎÎÎ
1.6
120
VI – VO = 25 V
TC = 25°C
1.4
125
VI – VO – Input-to-Output Voltage Differential – V
VI – VO – Input-to-Output Voltage Differential – V
100
1.2
Ripple Rejection – dB
Output Current Limit – A
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎÎ
ÎÎÎÎÎ
1.2
0.4
TC = 125°C
0.2
tw = 30 ms
1.8
1
0.8
0.6
0.4
80
60
ÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎ
ÎÎÎÎÎÎÎ
VI(AV) – VO = 25 V
∆VI(PP) = 10 V
IO = 100 mA
f = 120 Hz
Co = 0
TJ = 25°C
40
20
0.2
0
0
0
10
20
30
40
0
10
20
30
40
50
60
70
80
90
100
VO – Output Voltage – V
Time – ms
Figure 3
Figure 4
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5
TL783
HIGH-VOLTAGE ADJUSTABLE REGULATOR
SLVS036D – SEPTEMBER 1981 – REVISED AUGUST 1999
TYPICAL CHARACTERISTICS†
RIPPLE REJECTION
vs
OUTPUT CURRENT
RIPPLE REJECTION
vs
FREQUENCY
100
90
100
Ripple Rejection – dB
Ripple Rejection – dB
80
80
60
ÎÎÎÎÎ
ÎÎÎÎÎ
ÎÎÎÎÎ
ÎÎÎÎÎ
ÎÎÎÎÎ
VI(AV) = 25 V
∆VI(PP) = 10 V
VO = 10 V
f = 120 Hz
Co = 0
TJ = 25°C
40
20
100
200
300
50
40
600
700
ÎÎÎÎÎ ÎÎÎÎ
ÎÎÎÎÎ
ÎÎÎÎÎ
ÎÎÎÎÎ
ÎÎÎÎÎ
Co = 0
30
10
400 500
Co = 10 µF
60
20
VI(AV) = 25 V
∆VI(PP) = 10 V
VO = 10 V
IO = 500 mA
TJ = 25°C
0
0.01
0
0
ÎÎÎÎ
70
800
0.1
1
REFERENCE VOLTAGE
vs
VIRTUAL JUNCTION TEMPERATURE
OUTPUT IMPEDANCE
vs
FREQUENCY
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
ÎÎÎÎ
1.30
VI = 35 V
VO = 10 V
IO = 500 mA
TJ = 25°C
1.29
V ref – Reference Voltage – V
Zo – Output Impedance – Ω
1
1000
Figure 6
Figure 5
101
100
f – Frequency – kHz
IO – Output Current – mA
102
10
10–1
10–2
ÎÎÎÎ
ÎÎÎÎ
VI = 20 V
IO = 15 mA
1.28
1.27
1.26
1.25
1.24
10–3
1.23
10–4
101
102
103
104
105
106
107
f – Frequency – kHz
1.22
–75 –50 –25
0
25
50
75 100 125 150 175
TJ – Virtual Junction Temperature – °C
Figure 8
Figure 7
† Data at high and low temperatures are applicable only within the recommended operating free-air temperature ranges of the various devices.
6
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TL783
HIGH-VOLTAGE ADJUSTABLE REGULATOR
SLVS036D – SEPTEMBER 1981 – REVISED AUGUST 1999
TYPICAL CHARACTERISTICS
DROPOUT VOLTAGE
vs
VIRTUAL JUNCTION TEMPERATURE
INPUT CURRENT AT ADJ
vs
VIRTUAL JUNCTION TEMPERATURE
25
90
VI = 25 V
VO = Vref
IO = 500 mA
20
Dropout Voltage – V
ADJ Input Current – µ A
88
86
84
82
80
0
∆VO = 100 mV
25
50
100
75
125
15
10
IO = 700 mA
IO = 600 mA
IO = 500 mA
5
IO = 250 mA
IO = 100 mA
IO = 15 mA
0
–75
–50
–25
0
25
75
50
100
125
TJ – Virtual Junction Temperature – °C
TJ – Virtual Junction Temperature – °C
Figure 9
Figure 10
OUTPUT CURRENT†
vs
INPUT VOLTAGE
OUTPUT VOLTAGE DEVIATION
vs
VIRTUAL JUNCTION TEMPERATURE
12
VI = 25 V
VO = 5 V
IO = 15 mA to 700 mA
–0.1
TC = 0°C
10
I O – Output Current – mA
∆VO – Output Voltage Deviation – %
0
–0.2
–0.3
8
TC = 25°C
6
TC = 125°C
4
2
–0.4
0
0
–0.5
0
25
50
75
100
125
150
TJ – Virtual Junction Temperature – °C
25
50
75
100
125
VI – Input Voltage – V
† This is the minimum current required to maintain voltage regulation.
Figure 11
Figure 12
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7
TL783
HIGH-VOLTAGE ADJUSTABLE REGULATOR
SLVS036D – SEPTEMBER 1981 – REVISED AUGUST 1999
∆ VO – Output Voltage Deviation – V
LINE TRANSIENT RESPONSE
ÎÎÎÎ
ÎÎÎ
ÎÎÎ
ÎÎÎÎÎ
ÎÎÎÎÎ
TJ = 25°C
0.4
0.2
0
Co = 0
Co = 10 µF
–0.2
1
0.5
0
0
1
2
3
4
Time – µs
I O – Output Current – A
Change in Input Voltage – V
∆ VO – Output Voltage Deviation – V
TYPICAL CHARACTERISTICS
LOAD TRANSIENT RESPONSE
6
4
2
0
–2
–4
–6
0.8
VI = 35 V
VO = 10 V
Co = 1 µF
TJ = 25°C
0.6
0.4
0.2
0
0
Figure 13
40
80
120
160
200
240
Time – µs
Figure 14
DESIGN CONSIDERATIONS
The internal reference (see functional block diagram) generates 1.25 V nominal (Vref) between OUT and ADJ. This
voltage is developed across R1 and causes a constant current to flow through R1 and the programming resistor R2,
giving an output voltage of:
VO = Vref (1 + R2/R1) + lI(ADJ) (R2)
or
VO ≈ Vref (1 + R2/R1)
The TL783 was designed to minimize the input current at ADJ and maintain consistency over line and load variations,
thereby minimizing the associated (R2) error term.
To maintain II(ADJ) at a low level, all quiescent operating current is returned to the output terminal. This quiescent
current must be sunk by the external load and is the minimum load current necessary to prevent the output from rising.
The recommended R1 value of 82 Ω provides a minimum load current of 15 mA. Larger values can be used when
the input-to-output differential voltage is less than 125 V (see output-current curve, Figure 14) or when the load sinks
some portion of the minimum current.
8
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TL783
HIGH-VOLTAGE ADJUSTABLE REGULATOR
SLVS036D – SEPTEMBER 1981 – REVISED AUGUST 1999
DESIGN CONSIDERATIONS
bypass capacitors
The TL783 regulator is stable without bypass capacitors; however, any regulator becomes unstable with certain
values of output capacitance if an input capacitor is not used. Therefore, the use of input bypassing is
recommended whenever the regulator is located more than four inches from the power-supply filter capacitor.
A 1-µF tantalum or aluminum electrolytic capacitor usually is sufficient.
Adjustment-terminal capacitors are not recommended for use on the TL783 because they can seriously
degrade load transient response as well as create a need for extra protection circuitry. Excellent ripple rejection
is presently achieved without this added capacitor.
Due to the relatively low gain of the MOS output stage, output voltage dropout may occur under large load
transient conditions. The addition of an output bypass capacitor greatly enhances load transient response as
well as prevents dropout. For most applications, it is recommended that an output bypass capacitor be used,
with a minimum value of:
Co (µF) = 15/VO
Larger values provide proportionally better transient-response characteristics.
protection circuitry
The TL783 regulator includes built-in protection circuits capable of guarding the device against most overload
conditions encountered in normal operation. These protective features are current limiting, safe-operating-area
protection, and thermal shutdown. These circuits protect the device under occasional fault conditions only.
Continuous operation in the current limit or thermal shutdown mode is not recommended.
The internal protection circuits of the TL783 protect the device up to maximum-rated VI as long as certain
precautions are taken. If Vl is instantaneously switched on, transients exceeding maximum input ratings may
occur, which can destroy the regulator. These are usually caused by lead inductance and bypass capacitors
causing a ringing voltage on the input. In addition, when rise times in excess of 10 V/ns are applied to the input,
a parasitic npn transistor in parallel with the DMOS output can be turned on, causing the device to fail. If the
device is operated over 50 V and the input is switched on rather than ramped on, a low-Q capacitor, such as
tantalum or aluminum electrolytic should be used rather than ceramic, paper, or plastic bypass capacitors. A
Q factor of 0.015 or greater usually provides adequate damping to suppress ringing. Normally, no problems
occur if the input voltage is allowed to ramp upward through the action of an ac line rectifier and filter network.
Similarly, when an instantaneous short circuit is applied to the output, both ringing and excessive fall times can
result. A tantalum or aluminum electrolytic bypass capacitor is recommended to eliminate this problem.
However, if a large output capacitor is used and the input is shorted, addition of a protection diode may be
necessary to prevent capacitor discharge through the regulator. The amount of discharge current delivered is
dependent on output voltage, size of capacitor, and fall time of Vl. A protective diode (see Figure 17) is required
only for capacitance values greater than:
Co (µF) = 3 x 104/(VO)2
Care always should be taken to prevent insertion of regulators into a socket with power on. Power should be
turned off before removing or inserting regulators.
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9
TL783
HIGH-VOLTAGE ADJUSTABLE REGULATOR
SLVS036D – SEPTEMBER 1981 – REVISED AUGUST 1999
DESIGN CONSIDERATIONS
TL783
VI
IN
OUT
VO
ADJ
R1
Co
R2
Figure 15. Regulator With Protective Diode
load regulation
The current-set resistor (R1) should be located close to the regulator output terminal rather than near the load.
This eliminates long line drops from being amplified through the action of R1 and R2 to degrade load regulation.
To provide remote ground sensing, R2 should be near the load ground.
TL783
VI
IN
VO
Rline
OUT
ADJ
RL
R1
R2
Figure 16. Regulator With Current-Set Resistor
10
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TL783
HIGH-VOLTAGE ADJUSTABLE REGULATOR
SLVS036D – SEPTEMBER 1981 – REVISED AUGUST 1999
APPLICATION INFORMATION
VI = 145 to 200 V
7.5 kΩ, 1 W
TL783
VI = 125 V
IN
VO
+V
ref
R2
R1
1
120 V, 1.5 W
IN
OUT
ADJ
OUT
R1
82 Ω
ADJ
+
+
1 µF†
ǒ) Ǔ
TIP150
10 µF
0.1 µF
TL783
R2
0 to 8 kΩ
125 V
R1
82 Ω
+
10 µF
R2
8.2 kΩ, 2W
† Needed if device is more than 4 inches from filter capacitor
Figure 17. 1.25-V to 115-V Adjustable Regulator
Figure 18. 125-V Short-Circuit-Protected
Off-Line Regulator
125 V
1Ω
VI = 70 to 125 V
10 Ω
10 Ω
TIP30C
TIPL762
1 kΩ
TIPL762
1 kΩ
TL783
TL783
VO = 50 V
at 0.5 A
10 kΩ
IN
OUT
10 kΩ
IN
OUT
ADJ
ADJ
82 Ω
+
R1
82 Ω
VO
+
+V
ref
ǒ) Ǔ
1
R2
R1
50 µF
50 µF
R2
3.3 kΩ, 1W
Figure 19. 50-V Regulator With Current Boost
POST OFFICE BOX 655303
Figure 20. Adjustable Regulator
With Current Boost and Current Limit
• DALLAS, TEXAS 75265
11
TL783
HIGH-VOLTAGE ADJUSTABLE REGULATOR
SLVS036D – SEPTEMBER 1981 – REVISED AUGUST 1999
APPLICATION INFORMATION
VI
VI
Load
I
TL783
1 µF
+ VR
IN
ref
OUT
ADJ
TL783
R
IN
OUT
I
ADJ
R
+ VR
ref
Load
Figure 21. Current-Sinking Regulator
VCC
Figure 22. Current-Sourcing Regulator
VI = 90 V
TL783
IN
TL783
1 µF
OUT
IN
ADJ
OUT
6.25 Ω
OUTPUT
ADJ
82 Ω
TL783
IN
OUT
R2
V+
ADJ
82 Ω
48 V
–
+
INPUT
V–
TL081
V OFFSET
+V
ref
ǒ) Ǔ
I
R2
82
Figure 23. High-Voltage Unity-Gain Offset Amplifier
12
3.9 kΩ
POST OFFICE BOX 655303
Figure 24. 48-V, 200-mA Float Charger
• DALLAS, TEXAS 75265
IMPORTANT NOTICE
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any product or service without notice, and advise customers to obtain the latest version of relevant information
to verify, before placing orders, that information being relied on is current and complete. All products are sold
subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those
pertaining to warranty, patent infringement, and limitation of liability.
TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in
accordance with TI’s standard warranty. Testing and other quality control techniques are utilized to the extent
TI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarily
performed, except those mandated by government requirements.
CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF
DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE (“CRITICAL
APPLICATIONS”). TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR
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CRITICAL APPLICATIONS. INCLUSION OF TI PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO
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In order to minimize risks associated with the customer’s applications, adequate design and operating
safeguards must be provided by the customer to minimize inherent or procedural hazards.
TI assumes no liability for applications assistance or customer product design. TI does not warrant or represent
that any license, either express or implied, is granted under any patent right, copyright, mask work right, or other
intellectual property right of TI covering or relating to any combination, machine, or process in which such
semiconductor products or services might be or are used. TI’s publication of information regarding any third
party’s products or services does not constitute TI’s approval, warranty or endorsement thereof.
Copyright  1999, Texas Instruments Incorporated
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