AS3636 datasheet(2/42 Pages) AMSCO

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AS3636

Preliminary Datasheet, Confidential - P i n o u t

4 Pinout

Pin Assignment

Figure 2. Pin Assignments (Top View)

Pin Description

Table 1. Pin Description for AS3636

Pin Number

Pin Name

Description

VBAT

Power supply voltage input

VBATINT

Fuse output and internal power supply input - make a short connection to

capacitor CVBAT

VLED

Autofocus (AF) / Torch LED output

IGBT_GATE

Drive signal output for IGBT Transistor

INT

Interrupt output, open drain, active low

TORCH

Torch signal input pin; internal pulldown resistor; connect to GND if not used

IND

(Red) Indicator LED output - connect to GND if not used (set ILP=0)

VOUTBOOST

DCDC Boost converter output - make a short connection to CVOUTBOOST

STROBE

Strobe signal input pin to synchronize the flash pulse - usually connected to the

camera processor; internal pulldown resistor to GND

DGND

Digital ground supply - connect directly to ground (GND)

SGND

Analog signal ground - connect directly to ground (GND)

SW_B

DCDC Boost converter switching node - connect to coil LBOOST

SDA

serial data input for I

2C interface

SCL

serial clock input for I

2C interface

PGND

Power ground for Xenon and DCDC Boost - connect directly to ground (GND)

SW_F

Xenon DCDC converter switching node - connect to transformer TCHARGE

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AS3636

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