AP1522 Datasheet, PDF (1/8 Pages) Anachip Corp – Step-Up DC/DC Converter

Step-Up DC/DC Converter
„ Features
- High Efficiency: 84% Typical
- 36V High Output Voltage
- Fast 1MHz Switching Frequency
- Low Profile SOT23-5 Pb-Free Packaging
„ Applications
- Cellular Phones
- PDAs, Handhelp Computers
- Digital Cameras
- LCD Bias Voltage, Battery Backup
-
„ Pin Assignments
Top View
V_IN
SHDN
SW V_SS FB
SOT23-5L
AP1522
„ General Description
The AP1522 is a step-up DC/DC converter in a
5-Lead low profile SOT23-5 package. The AP1522
switches at 1MHz that allows the use of tiny
external components. A low 1.25V feedback voltage
minimizes power loss in the current setting resistor
for better efficiency.
„ Pin Descriptions
Name
SW
V_SS
FB
SHDN
V_IN
Description
Switch Pin. Connect inductor/diode
here. Minimize trace area at this pin
to reduce EMI.
GND pin
Feedback Pin. Reference voltage is
1.25V.
Shutdown Pin. Tie to 0.6V or higher
to enable device ； 0.5Vor less to
disable device.
Input Supply Pin. Must be locally
bypassed.
„ Ordering Information
AP1522 X X
Package
W: SOT23-5L
Packing
Blank : Tube
A : Taping
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev. 1.0 May. 5, 2005
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