PL34063AP8 Datasheet, PDF (1/7 Pages) Cystech Electonics Corp. – DC-to-DC Converter Control Circuit

Spec. No. : C501P8
Issued Date : 2003.03.21
CYStech Electronics Corp.
Revised Date :
Page No. : 1/7
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DC-to-DC Converter Control Circuit
PL34063AP8
Description
The PL34063AP8 is a monolithic control circuit containing the primary functions required for DC-to-DC
converters. This device consists of an internal temperature compensated reference, comparator, control- led
duty cycle oscillator with an active current limit circuit, driver and high current output switch.
Features
• 3V to 40V Input Voltage Operation
• Internal 1.6A Peak Current Switch
• Internal ±1.8% Reference
• Low Quiescent Current at 1.6mA
• Frequency Operation from 100Hz~100KHz
• Current Limiting
Applications
• Saver for Cellular Phone
• DC-DC Converter Module
Typical Application Circuit
Fig1.Saver Circuit for Cellular Phone
RSC
Vin
C1
100µF
PL34063A
8
1
7
2
6
3
5
4
RB
33kΩ
RA
5.6kΩ
L1
200µH
CT
470ρF
D1
1N5819
Vout
Cout
220µF
PL34063AP8
CYStek Product Specification