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AW9656 датащи(PDF) 4 Page - Shanghai awinic technology co.,ltd

номер детали AW9656
подробное описание детали  6-Channel 1X/2X Adaptive Charge Pump White LED Driver with 1-Wire Brightness Control
PDF  18 Pages
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производитель  AWINIC [Shanghai awinic technology co.,ltd]
домашняя страница  http://www.awinic.com.cn/index.php
Logo AWINIC - Shanghai awinic technology co.,ltd

AW9656 датащи(HTML) 4 Page - Shanghai awinic technology co.,ltd

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AW9656
March 2018 V1.1
www.awinic.com.cn
4
Copyright © 2018 SHANGHAI AWINIC TECHNOLOGY CO., LTD
ELECTRICAL CHARACTERISTICS
Test Condition: TA=25
℃, V IN=3.6V, EN=1 (Unless otherwise specified)
Parameter
Conditions
Min
Typ.
Max
Units
SUPPLY VOLTAGE AND CURRENT
VIN
Input voltage range
ILED=15mA, 6 LEDs
2.7
5.5
V
ILED=25mA, 6 LEDs
3.3
5.5
ISD
Shutdown current
EN=0
0.1
1
μA
IQ
Operating quiescent current
VIN=4.2V, 1X mode, EN=1,
ISET=0
μA
280
μA
IOUT=0mA, 2X mode
2
mA
CHARGE PUMP STAGE
VOUT
Output over voltage protection
VIN=4.2V, all LEDs uncon-
nected
4.80
V
Startup time
COUT=1μF，IDX≥0.9×IDX_SET
180
μs
Soft start duration
μs
f
Switching frequency
0.6
1.0
1.4
MHz
η
Efficiency
VIN=3.7V, VLED=3.2V,
ILED=20mA
86.4
%
Thermal shutdown threshold
150
℃
Thermal shutdown hysteresis
24
℃
Input current limit
560
mA
Output short-to-GND current
limit
75
mA
CURRENT SINK
IDX
Current into each current sink
when ISET pin is shorted to
GND
3.0V＜VIN＜5.5V
70
mA
Current matching between
any two outputs
VLED=3.2V, TA=25℃
0.5
%
VISET
Reference voltage for current
set
570
600
630
mV
ILED
Setting LED currentt
RISET=7.8 kΩ
18
20
22
mA
RISET=15.6 kΩ
9
10
11
mA
ILED_ACC
LED current accuracy
RISET=7.8 kΩ
2
10
%
VDX_NOM
Voltage at DX to GND
ILED=20mA
400
mV
VGEAR
1X to 2X mode transition
threshold voltage at DX to
GND
ILED=20mA
210
mV
VHYS
1X mode transition threshold
450
mV
ENABLE
VIH
Low input threshold
1.3
V
VIL
High input threshold
0.3
V
REN
Internal pull-down resistor
200
K
Ω
TLO
EN low time for dimming
0.5
500
μs
THI_MIN
Minimum EN high time for
0.5
μs



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