2

FP6861D-Preliminary 0.1-JAN-2012

FP6861D

fitipower integrated technology lnc.

Typical Application Circuit

ENA

ENB

VOUTB

GND

VIN

VOUTA

OVERCURRENT

VIN

OVERCURRENT

ON/OFF

ON/OFF

Load

Load

Logic Controller

10K

10K

FP6861D

2.7V to 5.5V

1µF

OVERCURRENT

10µF

10µF

OCA

OCB

(ENA)

(ENB)

Figure 2. Typical Application Circuit

Functional Pin Description

Pin Name

Pin No.

Pin Function

VIN

7

Input Power Supply

VOUTA

8

Switch Output

VOUTB

5

Switch Output

GND

6

Ground

ENA/

1

ENA  Chip Enable.

Pull the pin high to enable IC; pull the pin low to shutdown IC.

Do not let the

pin floating.

A  Chip Shutdown. Pull the pin high to shutdown IC; Pull the pin low to enable IC. Do not let

the pin floating.

ENB/

4

ENB  Chip Enable.

Pull the pin high to enable IC; pull the pin low to shutdown IC.

Do not let the

pin floating.

 Chip Shutdown. Pull the pin high to shutdown IC; Pull the pin low to enable IC. Do not let

the pin floating.

2

Open-Drain Fault Flag Output

3

Open-Drain Fault Flag Output