APL3205A/B
Pin Description
PIN
NO.
NAME
1
IN
2
GND
3
PSW
4
FAULT
5
EN
FUNCTION
Power Supply Input.
Ground.
PSW is an active high output that drives the external PMOS (see Application Circuit).
Fault Indication Pin. This pin goes low when input OVP, OCP, or battery OVP is detected.
Enable Input. Pull this pin to high to disable the device and pull this pin to low to enable device.
6
BAT Battery OVP Sense Pin. Connect to positive terminal of battery through a resistor.
7
ILIM Over-current Protection Setting Pin. Connect a resistor to the GND to set the over-current threshold.
8
OUT Output Voltage Pin. The output voltage follows the input voltage when no fault is detected.
-
EP
Exposed Thermal Pad. Must be electrically connected to the GND pin.
Block Diagram
IN
FAULT
POR
Charge
Pump
0.5V
Gate Driver and
Control Logic
1.2V
1V
OTP
VOUT
VBAT +0.1V
EN
GND
OUT
ILIM
BAT
PSW
Copyright © ANPEC Electronics Corp.
10
Rev. A.2 - May., 2009
www.anpec.com.tw