Copyright

© ANPEC Electronics Corp.

Rev. A.6 - Aug., 2012

APL3512

www.anpec.com.tw

10

Pin Description

PIN

NO.

SOT-23-5

SOP-8

TDFN2x2-6

NAME

FUNCTION

1

8

6

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.

2

3

3

GND

Ground

EN

(APL3512A)

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.

3

6

4

ENB

(APL3512B)

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.

4

2

2

SS

Soft-Start Control Pin. Connect a capacitor to GND to control the soft-tart rate. If

5

1

1

VIN

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

-

4, 5, 7

5

NC

Internally not connected.

Block Diagram

Gate Driver and

Control Logic

UVLO

VIN

VOUT

Charge

Pump

SS

EN/

ENB

OTP

GND

Current

-Limit

Soft-Start