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AW9666 Datasheet(PDF) 4 Page - Shanghai awinic technology co.,ltd

Part # AW9666
Description  6-Channels 1-Wire Brightness Adaptive Four Mode Charge Pump White LED Driver
PDF  21 Pages
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Manufacturer  AWINIC [Shanghai awinic technology co.,ltd]
Direct Link  http://www.awinic.com.cn/index.php
Logo AWINIC - Shanghai awinic technology co.,ltd

AW9666 Datasheet(HTML) 4 Page - Shanghai awinic technology co.,ltd

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AW9666
March 2018 V1.1
www.awinic.com.cn
4
Copyright © 2018 SHANGHAI AWINIC TECHNOLOGY CO., LTD
VOUT
Output over voltage protection
VIN=4.2V, all LEDs uncon-
nected
4.80
V
Startup time
COUT=1μF，IDX≥0.9×IDX_SET
280
μs
Soft start duration
150
μs
f
Switching frequency
1.33Xmode and 2Xmode
0.5
0.7
0.9
MHz
1.5Xmode
0.7
1.0
1.3
MHz
η
Efficiency
VIN=3.7V, VLED=3.2V,
ILED=21mA
86.4
%
Over temperature Protection
145
℃
Over temperature Protection
hysteresis
24
℃
Output over current protection
EN=1
800
mA
Output short-to-GND current
limit
Vout pin is shorted to GND
75
mA
CURRENT SINK
ILED_max
Each LED maximum current
3.0V
≤VIN≤5.5V
-10%
21
+10%
mA
Current matching between
any two leds
(ILED_Max-ILED_Min)/
(ILED_Max+ILED_Min)
TA=25℃, VLED=3.2V
±1
%
VD1_NOM
D1pin voltage
VIN=3.8V,ILED=21mA
300
mV
ENABLE
VIH
Low input threshold
1.4
V
VIL
High input threshold
0.4
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
dimming
0.5
μs
TSHDN
Shutdown delay time
Delay time when EN from1
to 0 after AW9666 from work
to shutdown
0.8
2.5
ms
Note1: Stresses beyond those listed under "absolute maxi-
mum 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 indi-
cated under "recommended operating conditions" is not
implied. Exposure to absolute-maximum-rated conditions for
extended periods may affect device reliability.
Note2: The human body model is a 100pF capacitor dis-
charged through a 1.5k
Ω resistor into each pin. Test method:
MIL-STD-883G Method 3015.8
Note3: Test Condition: JEDEC STANDARD NO.78A
FEBRUARY 2006



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