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TYPICAL APPLICATION CIRCUITS
TORCH/TEMP
SW
LED1
IN
VIN
C
IN
10μF
10V
C
OUT
10μF
10V
L 1μH 3A
Flash
LED
AW3643CSR
STROBE
GND
OUT
LED2
D1
HWEN
TX
SDA
SCL
Flash
LED
D2
MCU
Fig 3 AW3643 Application Circuit
Notice for Typical Application Circuits:
1: Please place C
IN
，C
OUT
as close to the chip as possible.
2: Connect the inductor on the top layer close to the SW pin.
3: For the sake of driving capability, the power lines, output lines, and the connection lines of L and LED
should be short and wide as possible. .
