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H34063AS Datasheet

  • H34063AS

  • DC-TO-DC CONVERTER INTEGRATE CIRCUIT DEVICES

  • 7頁

  • HSMC

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HI-SINCERITY
MICROELECTRONICS CORP.
Spec. No. : IC200407
Issued Date : 2003.04.01
Revised Date : 2005.03.25
Page No. : 1/7
H34063AP / H34063AS
DC-TO-DC CONVERTER INTEGRATE CIRCUIT DEVICES
Description
The H34063A 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.
8-Lead Plastic
DIP-8
Package Code: P
鈥?/div>
8-Lead Plastic
SO-8
Package Code: S
Features
鈥?/div>
3V to 40V Input Voltage Operation
鈥?/div>
Internal 1.6A Peak Current Switch
鈥?/div>
Internal 鹵1.8% Reference
鈥?/div>
Low Quiescent Current at 1.6mA
鈥?/div>
Frequency Operation from 100Hz~100KHz
鈥?/div>
Output Voltage Adjustable
鈥?/div>
Active Current Limiting
鈥?/div>
Step-Up, Step-Down or Inverting Switching Regulators
Pin Connections
8
7
6
5
Pin1: Switch Collector (SWC)
Pin2: Switch Emitter (SWE)
Pin3: Timing Capacitor (TC)
Pin4: Ground (GND)
Pin5: Comparator Inverting Input (FB)
Pin6: Voltage Supply (Vcc)
Pin7: Ipk Sense (Ipk)
Pin8: Voltage Driver Collector (DRC)
1
2
3
4
Absolute Maxium Rating
Parameter
Power Supply Voltage
Comparator Input Voltage Range
Switch Collector Voltage
Switch Emitter Voltage
Switch Emitter to Collector Voltage
Driver Collector Voltage
Switch Current
Power Dissipation at T
J
=20
o
C
Operating Ambient Temperature Range
Storage Temperature Range
Operating Junction Temperature
Thermal Resistance Junction-ambient
Symbol
V
CC
V
ir
V
C(SW)
V
SWE
V
CE
V
C(DR)
I
SW
P
D
T
opr
T
stg
T
opj
胃JA
DIP-8
SO-8
0~+70
-65~+150
120
125
o
Value
40
-0.3~+40
40
40
40
40
1.5
1.25
0.625
Unit
V
V
V
V
V
V
A
W
o
o
o
C
C
C
C/W
H34063AP, H34063AS
HSMC Product Specification

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