A7404
DC-DC CONVERTER/BUCK (STEP-DOWN)
AiT Semiconductor Inc.
www.ait-ic.com
42V INPUT STANDOFF VOLTAGE, 0.4A STEP-DOWN CONVERTER
PIN DESCRIPTION
Top View
Function
Pin #
Symbol
1
2
BST
Bootstrap pin. Connect a 10nF capacitor from this pin to SW
Ground
GND
Feedback Input. Connect an external resistor divider from the output to FB and
GND to set VOUT
3
FB
4
5
6
EN
IN
Enable pin for the IC. Drive this pin high to enable the part, low to disable.
Supply Voltage. Bypass with a 10μF ceramic capacitor to GND
Inductor Connection. Connect an inductor Between SW and the regulator output.
SW
REV1.0
- DEC 2015 RELEASED -
- 2 -
AITSEMI [ AiT Semiconductor ]
