A7506
AiT Semiconductor Inc.
www.ait-ic.com
DC-DC CONVERTER BOOST(STEP-UP)
1.2MHz CONSTANT FREQUENCY SYNCHRONUS
PIN DESCRIPTION
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Pin #
Symbol
SW
Function
1
2
Power Switch Pin. It is the switch node connection to Inductor.
Ground Pin
GND
Feedback Input Pin. Connect FB to the center point of the external resistor
divider. The feedback threshold voltage is 1.23V.
3
FB
Chip Shutdown Signal Input. Logic high is normal operation mode, Logic Low is
Shutdown. Typically, this pin is connected to VIN through a 1MΩ resistor.
Power Output Pin. VOUT is held 0.6V below than VIN in shutdown.
Power Supply Input. Must be closely decoupled to GND, Pin 2, with a 4.7µF or
greater ceramic capacitor.
4
5
6
SHDN
VOUT
VIN
REV1.1
- APR 2009 RELEASED, MAY 2017 UPDATED -
- 2 -
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