HI-SINCERITY
MICROELECTRONICS CORP.
Spec. No. : Preliminary Data
Issued Date : 1998.08.01
Revised Date : 1999.06.01
Page No. : 1/6
H34063AP
DC-TO-DC CONVERTER INTEGRATE CIRCUIT DEVICES
Description
The H34063AP Series is a monolithic control circuit containing the
primary functions required for DC-to-DC converters. These devices
consist of an internal temperature compensated reference,
comparator, controlled duty cycle oscillator with an active current
limit circuit, driver and high current output switch. This series was
specifically by Hi-Sincerity Microelectronics Corp.
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
L1
H34063AP
RSC
V
in
8
7
6
5
1
2
3
4
V
out
200µH
D1
H1N5819
C
T
470ρF
C
out
220µF
C1
100µF
RB
33kΩ
RA
5.6kΩ
HSMC Product Specification
HSMC [ HI-SINCERITY MOCROELECTRONICS ]
