Copyright

© ANPEC Electronics Corp.

Rev. A.7 - Mar., 2012

APL3510/1

www.anpec.com.tw

11

Pin Description

PIN

NO.

SOT-23-5

SOP-8/

MSOP-8 APL3510 APL3511

NAME

FUNCTION

1

2

2

GND

Ground.

2

3

4

5

VIN

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

EN

(A/C/E)

Enable Input. Pulling this pin to high will enable the device and pulling this pin to low

will disable device. The EN pin cannot be left floating.

4

3

4

ENB

(B/D/F)

Enable Input. Pulling this pin to high will disable the device and pulling this pin to low

will enable device. The ENB pin cannot be left floating.

5

1

3

OCB

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

condition is detected after a 12ms deglitch time.

6

7

8

5

1

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

Short-Circuit

Protection