Copyright

© ANPEC Electronics Corp.

Rev. A.6 - Jun., 2011

APL3516

www.anpec.com.tw

9

Pin Description

PIN

NO.

NAME

FUNCTION

1

GND

Ground.

2, 3

VIN

Power Supply Input. Connect this pin to external DC supply.

EN

(APL3516A/C)

Enable Input. Pull this pin to high to enable the device and pull this pin to low to disable device.

The EN pin cannot be left floating.

4

ENB

(APL3516B/D)

Enable Input. Pull this pin to high to disable the device and pull this pin to low to enable device.

The ENB pin cannot be left floating.

5

OCB

Fault Indication Pin. This pin goes low when a current limit or an over-temperature condition is

detected after a 8ms deglitch time.

6, 7, 8

VOUT

Output Voltage Pin. The output voltage follows the input voltage. When ENB is high or EN is low,

the output voltage is discharged by an internal resistor.

Block Diagram

Gate Driver and

Control Logic

UVLO

VIN

VOUT

Charge

Pump

OCB

EN/ENB

OTP

GND

Current

Limit