AAT1265
Low Voltage 2MHz Step-Up DC/DC
Converter in SC70JW Package
Pin Descriptions
Pin #
Symbol
Function
1
2
VCC
EN
Bias supply voltage after start-up and feedback to the output voltage error amplifier.
Enable pin. Logic high enables the IC. Logic low disables the IC and disconnects the
load from the input. Shutdown current is <1µA.
3
4
VIN
LX
Battery input voltage. Supplies the IC at start-up.
Inductor connection. Ties to the drains of the P-channel synchronous rectifier and the
N-channel MOSFET switch.
5
OUT
GND
Boost converter output voltage; connects to the P-channel synchronous MOSFET
source. Bypass with ceramic capacitor to GND.
6, 7, 8
Signal and power ground. Connect output capacitor return.
Pin Configuration
SC70JW-8
(Top View)
8
7
6
5
1
2
3
4
GND
GND
GND
OUT
VCC
EN
VIN
LX
2
1265.2006.05.1.1
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
