User manual | LXDC2HL series

LXDC2HL series
Micro DCDC converter
1. Features
 Low EMI noise and small footprint using inductor-imbedded ferrite substrate
 High efficiency using synchronous rectifier technology and PFM/PWM auto-select function
 Input voltage range : 2.3~5.5V
 Maximum Load Current: 600mA (depends on output voltage)
 Fixed output voltage: 0.8V – 4V
 Switching frequency : 3.0MHz
2. Mechanical details
2-1 Outline
Bottom View
Top View
Device&Trace
Code
a
X
X X
W
1 pin Mark
1
2
4
3
b
２ あ
c
c
L
Side View
IC
Capacitor
T
Substrate
Unit: mm
Mark
Dimension
L
2.5 +/- 0.2
W
2.0 +/- 0.2
T
1.1 MAX
a
0.85 +/- 0.1
b
0.60 +/- 0.1
c
0.15 +/- 0.15
2-2. Pin configuration
Pin
Symbol
I/O
1
Vin
Input
2
EN
Input
3
Vout
Output
4
GND
-
Description
Voltage input pin
ON/OFF control pin
H: Enable,
L: Disable
Voltage output pin
GND pin
1
April 2012
LXDC2HL series
Micro DCDC converter
3. Ordering Information
Part number
Output Voltage
Device Specific Feature
MOQ
LXDC2HL10A-080
1.0V
T/R, 3000pcs/R
LXDC2HL12A-050
1.2V
T/R, 3000pcs/R
LXDC2HL1DA-087
1.35V
T/R, 3000pcs/R
LXDC2HL15A-051
1.5V
T/R, 3000pcs/R
LXDC2HL18A-052
1.8V
T/R, 3000pcs/R
LXDC2HL25A-053
2.5V
T/R, 3000pcs/R
LXDC2HL30A-054
3.0V
T/R, 3000pcs/R
LXDC2HL33A-055
3.3V
T/R, 3000pcs/R
4. Electrical Specification
4-1
Absolute maximum ratings
Parameter
Maximum input voltage
symbol
rating
Vin
6.3
Unit
V
Operating temperature
TOP
-40 to +85
o
Storage temperature
TSTO
-40 to +85
o
C
C
2
April 2012
LXDC2HL series
Micro DCDC converter
4-2 Electrical characteristics (Ta=25℃)
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Input voltage
Vin
2.3
3.6
5.5
V
UVLO voltage
UVLO
1.0
1.4
1.8
V
0
2
uA
LXDC2HL10A-080
LXDC2HL12A-050
Input leak current
lin-off
Vin=3.6V,
EN=0V
LXDC2HL1DA-087
LXDC2HL15A-051
LXDC2HL18A-052
LXDC2HL25A-053
Vin=5.0V,
EN=0V
Output voltage
accuracy
LXDC2HL30A-054
LXDC2HL33A-055
LXDC2HL10A-080
0.976
1.0
1.024
LXDC2HL12A-050
1.176
1.20
1.224
LXDC2HL1DA-087
1.323
1.35
1.377
LXDC2HL15A-051
1.47
1.50
1.53
LXDC2HL18A-052
1.764
1.80
1.836
LXDC2HL25A-05３
2.45
2.50
2.55
Vin-Vout>0.7V
LXDC2HL30A-054
2.94
3.00
3.06
Vin-Vout>0.5V
LXDC2HL33A-055
3.234
3.30
3.366
Vin-Vout>1V
Vout
V
LXDC2HL10A-080
LXDC2HL12A-050
LXDC2HL1DA-087
Load current range
Iout
0
600
LXDC2HL15A-051
mA
LXDC2HL18A-052
LXDC2HL25A-053
0
500
LXDC2HL30A-054
0
400
LXDC2HL33A-055
0
300
LXDC2HL10A-080
LXDC2HL12A-050
Ripple voltage
Vrpl
Vin=3.6V,
Iout=300mA,
BW=100MHz
LXDC2HL1DA-087
LXDC2HL15A-051
LXDC2HL18A-052
15
30
mV
LXDC2HL25A-053
Vin=5V,
Iout=300mA,
BW=100MHz
LXDC2HL30A-054
LXDC2HL33A-055
3
April 2012
LXDC2HL series
Micro DCDC converter
Parameter
Efficiency
Symbol
EFF
Condition
Vin=3.6V,
Iout=150mA
Vin=5V,
Iout=150mA
EN control voltage
SW Frequency
VENH
ON ; Enable
VENL
OFF ; Disable
Min.
Typ.
LXDC2HL10A-080
73
78
LXDC2HL12A-050
75
80
LXDC2HL1DA-087
77
82
LXDC2HL15A-051
78
83
LXDC2HL18A-052
81
85
LXDC2HL25A-053
84
88
LXDC2HL30A-054
83
87
LXDC2HL33A-055
84
88
fosc
Max.
Unit
%
1.4
Vin
V
0
0.25
V
MHz
2.5
3.0
3.5
600
900
1200
LXDC2HL10A-080
LXDC2HL12A-050
LXDC2HL1DA-087
LXDC2HL15A-051
Over current
protection
OCP
Tlatch
Start-up time
mA
LXDC2HL18A-052
LXDC2HL25A-053
550
900
1200
LXDC2HL30A-054
450
900
1200
LXDC2HL33A-055
350
900
1200
If the over current event continues less than Tlatch, auto-recovery.
If the over current event continues more than Tlatch, latch-up.
Restart by toggling EN voltage or Vin voltage
Latch-up mask time
20
@Vout=0.8×Vnom
Ton
0.9
Usec
Msec
4
April 2012
LXDC2HL series
Micro DCDC converter
4-3 Output Current Derating
This product is used by the following temperature derating.
Vin=3.6V Vout＜2.5V
Thermal Derating
Vin=3.6V Vout=2.5V
700
600
Vin=5V
Vout=3.0V
Vin=5V
Vout=3.3V
Iout [mA]
500
400
300
200
100
0
-40
-20
0
20
40
60
80
100
Ta [℃]
5
April 2012
LXDC2HL series
Micro DCDC converter
5. Test Circuit
Cin :
4.7uF/6.3V
(GRM188B30J475K)
Cout :
10uF/6.3V
(GRM188B30J106M)
6. Reference Land Pattern
Unit: mm
Mark
Dimension
a
0.85
b
0.60
c
0.5
d
0.2
Notes: this land layout is for reference purpose only.
6
April 2012
LXDC2HL series
Micro DCDC converter
7. Measurement Data
Micro DCDC Converter evaluation board (P2LX0244)
Measurement setup
Enable SW
VIN_S
VIN
VOUT_S
Load
V
A
A
VOUT
GND
V
GND
GND_S
GND_S
7
April 2012
LXDC2HL series
Micro DCDC converter
Typical Measurement Data (reference purpose only)
(Ta=25℃)
Efficiency
・Vin=3.6V, Vout=1.0V
・Vin=3.6V, Vout=1.2V
Efficiency
85
75
80
EFF [%]
EFF [%]
Efficiency
80
70
65
75
70
60
65
1
10
100
1000
1
10
Iout [mA]
100
1000
100
1000
・Vin=3.6V, Vout=1.5V
Efficiency
Efficiency
85
85
80
80
EFF [%]
EFF [%]
1000
Iout [mA]
・Vin=3.6V, Vout=1.35V
75
70
75
70
65
65
1
10
100
1000
1
10
Iout [mA]
Iout [mA]
・Vin=3.6V, Vout=1.8V
・Vin=3.6V, Vout=2.5V
Efficiency
Efficiency
90
95
85
90
EFF [%]
EFF [%]
100
80
75
85
80
70
75
1
10
100
1000
1
Iout [mA]
10
Iout [mA]
8
April 2012
LXDC2HL series
Micro DCDC converter
・Vin=5.0V, Vout=3.0V
・Vin=5.0V, Vout=3.3V
Efficiency
95
90
90
EFF [%]
EFF [%]
Efficiency
95
85
80
85
80
75
75
1
10
100
1000
1
Iout [mA]
10
100
1000
Iout [mA]
9
April 2012
LXDC2HL series
Micro DCDC converter
Typical Measurement Data (reference purpose only)
(Ta=25℃)
Load Regulation
・Vin=3.6V, Vout=1.0V
Load Regulation
1.024
Load Regulation
1.224
1.012
Vout [V]
Vout [V]
・Vin=3.6V, Vout=1.2V
1.000
0.988
1.212
1.200
1.188
0
100
200
300
400
500
600
0
100
200
Iout [mA]
Load Regulation
600
500
600
500
600
Load Regulation
1.530
1.515
Vout [V]
Vout [V]
500
・Vin=3.6V, Vout=1.5V
1.364
1.350
1.500
1.485
1.337
1.470
1.323
0
100
200
300
400
500
0
600
100
200
・Vin=3.6V, Vout=1.8V
400
・Vin=3.6V, Vout=2.5V
Load Regulation
1.836
300
Iout [mA]
Iout [mA]
Load Regulation
2.550
2.525
Vout [V]
1.818
Vout [V]
400
Iout [mA]
・Vin=3.6V, Vout=1.35V
1.377
300
1.800
1.782
2.500
2.475
1.764
2.450
0
100
200
300
400
500
600
0
Iout [mA]
100
200
300
400
Iout [mA]
10
April 2012
LXDC2HL series
Micro DCDC converter
・Vin=5.0V, Vout=3.0V
・Vin=5.0V, Vout=3.3V
Load Regulation
3.060
3.333
Vout [V]
3.030
Vout [V]
Load Regulation
3.366
3.000
3.300
2.970
3.267
2.940
3.234
0
100
200
300
400
500
0
600
100
200
300
400
500
600
Iout [mA]
Iout [mA]
11
April 2012
LXDC2HL series
Micro DCDC converter
Typical Measurement Data (reference purpose only)
Output Ripple-Noise
・Vin=3.6V, Vout=1.0V, BW : 150MHz
・Vin=3.6V, Vout=1.2V, BW: 150MHz
Output Ripple Noise
Vrpl [mV]
Vrpl [mV]
Output Ripple Noise
50
45
40
35
30
25
20
15
10
5
0
0
100
200
300
400
500
50
45
40
35
30
25
20
15
10
5
0
600
0
100
200
Iout [mA]
Vrpl [mV]
Vrpl [mV]
300
400
500
0
600
100
200
600
500
600
Output Ripple Noise
Vrpl [mV]
Vrpl [mV]
Output Ripple Noise
300
400
・Vin=3.6V, Vout=2.5V, BW: 150MHz
50
45
40
35
30
25
20
15
10
5
0
200
300
Iout [mA]
・Vin=3.6V, Vout=1.8V, BW: 150MHz
100
500
50
45
40
35
30
25
20
15
10
5
0
Iout [mA]
0
600
Output Ripple Noise
Output Ripple Noise
200
500
・Vin=3.6V, Vout=1.5V, BW: 150MHz
50
45
40
35
30
25
20
15
10
5
0
100
400
Iout [mA]
・Vin=3.6V, Vout=1.35V, BW: 150MHz
0
300
400
500
600
50
45
40
35
30
25
20
15
10
5
0
0
Iout [mA]
100
200
300
400
Iout [mA]
12
April 2012
LXDC2HL series
Micro DCDC converter
・Vin=5.0V, Vout=3.0V, BW: 150MHz
・Vin=5.0V, Vout=3.3V, BW: 150MHz
Output Ripple Noise
Vrpl [mV]
Vrpl [mV]
Output Ripple Noise
50
45
40
35
30
25
20
15
10
5
0
0
100
200
300
400
500
50
45
40
35
30
25
20
15
10
5
0
0
600
100
200
300
400
500
600
Iout [mA]
Iout [mA]
13
April 2012
LXDC2HL series
Micro DCDC converter
Typical Measurement Data (reference purpose only)
(Ta=25℃)
Load Transient Response
・Vin=3.6V, Vout=1.0V
100mV/div
58mV
-88mV
ΔIo=600mA
・Vin=3.6V, Vout=1.2V
58mV
100mV/div
-80mV
ΔIo=600mA
14
April 2012
LXDC2HL series
Micro DCDC converter
・Vin=3.6V, Vout=1.35V
66mV
100mV/div
-86mV
ΔIo=600mA
・Vin=3.6V, Vout=1.5V
66mV
100mV/div
-86mV
ΔIo=600mA
15
April 2012
LXDC2HL series
Micro DCDC converter
・Vin=3.6V, Vout=1.8V
100mV/div
76mV
-108mV
ΔIo=600mA
・Vin=3.6V, Vout=2.5V
100mV/div
114mV
-140mV
ΔIo=500mA
16
April 2012
LXDC2HL series
Micro DCDC converter
・Vin=5.0V, Vout=3.0V
100mV/div
106mV
-128mV
ΔIo=400mA
Vin=5.0V, Vout=3.3V
100mV/div
106mV
-112mV
ΔIo=300mA
17
April 2012
LXDC2HL series
Micro DCDC converter
8. Tape and Reel Packing
1）Dimensions of Tape (Plastic tape)
Unit: mm
1.5+0.1
0
1.75±0.1
0.25±0.05
3.5±0.05
2.8±0.1
1.25±0.05
8.0±0.2
2.0±0.05
4.0±0.1
2.3±0.1
4.0±0.1
Feeding direction
2） Dimensions of Reel
Unit: mm
2±0.5
Φ60
Φ13±0.2
Φ180
9.0±0.3
13.0±1.4
18
April 2012
LXDC2HL series
Micro DCDC converter
3）Taping Diagrams
[1] Feeding Hole
:
As specified in (1)
[2] Hole for chip
:
As specified in (1)
[3] Cover tape
:
50um in thickness
[4] Base tape
:
As specified in (1)
[3]
[1]
[2]
[3]
[4]
Feeding Hole
Feeding Direction
Chip
19
April 2012
LXDC2HL series
Micro DCDC converter
4）Leader and Tail tape
A
B
Components
部品収納部
Symbol
C
Items
Ratings(mm)
A
No components at trailer
min 160
B
No components at leader
min 100
C
Whole leader
min 400
5）The tape for chips are wound clockwise, the feeding holes to the right side as the tape is pulled
toward the user.
6）Packaging unit: 3,000 pcs./ reel
7） Material： Base Tape
Reel
… Plastic
… Plastic
Antistatic coating for both base tape and reel
8）Peeling of force
0.7 N max.
0.1~1.0N
165 to 180 °
Cover
Tape
カバーテープ
ベーステープ
Base
Tape
Note:
1. This datasheet's specifications are subject to change or our products in it may be discontinued without advance notice. Please check with
our sales representatives or product engineers before ordering.
2. This datasheet has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product
specifications or transact the approval sheet for product specifications before ordering.
20
April 2012

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