AIC1896GG Просмотр технического описания (PDF) - Analog Intergrations
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производитель
AIC1896GG Datasheet PDF : 15 Pages
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AIC1896
AIC1896
ZD1
OFF ON
IN
LX
SHDN FB
SS GND
C2
0.033µF
R2
Ω 1K
R3
Ω 3.3K
20mA~0mA
R1
Ω 82
VDC 0V~5V
Fig. 21 Dimming Control Using a DC Voltage
OFF ON
AIC1896
IN
LX
SHDN FB
SS GND
C2
0.033µF
ZD1
R2
Ω 1K
R1
Ω R3
82
Ω 3.3K
Ω R4 4K
C1
0.1µF
PWM
Fig. 22 Dimming Control Using a Filtered PWM Signal
APPLICATION EXAMPLES
VIN
L1 10µH D1
3V to 4.2V
SLF6025-100M1R0
SS0504
C1
C3
4.7µF
ZD1
1µF
BZV55-B24
U1 AIC1896 23.5V~24.5V
OFF ON
6 IN
LX 1
4 SHDN FB 3
SS GND
5
2
C2
0.033µF
R2
1KΩ
IOUT=ILED=20mA
R1 R3
62Ω 62Ω
Fig. 23 1-Cell Li-Ion Powered Driver for eight White LEDs with Open-Circuit Protection
11
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