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H34063A Datasheet(Fiches technique) 1 Page - Hi-Sincerity Mocroelectronics

Numéro de pièce H34063A
Description  DC-TO-DC CONVERTER INTEGRATE CIRCUIT DEVICES
Télécharger  7 Pages
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Fabricant  HSMC [Hi-Sincerity Mocroelectronics]
Site Internet  http://www.hsmc.com.tw
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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
HSMC Product Specification
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.
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
• Output Voltage Adjustable
• Active Current Limiting
• Step-Up, Step-Down or Inverting Switching Regulators
Pin Connections
Pin1: Switch Collector (SWC)
Pin5: Comparator Inverting Input (FB)
Pin2: Switch Emitter (SWE)
Pin6: Voltage Supply (Vcc)
Pin3: Timing Capacitor (TC)
Pin7: Ipk Sense (Ipk)
12
3
4
5
6
7
8
Pin4: Ground (GND)
Pin8: Voltage Driver Collector (DRC)
Absolute Maxium Rating
Parameter
Symbol
Value
Unit
Power Supply Voltage
V
CC
40
V
Comparator Input Voltage Range
V
ir
-0.3~+40
V
Switch Collector Voltage
V
C(SW)
40
V
Switch Emitter Voltage
V
SWE
40
V
Switch Emitter to Collector Voltage
V
CE
40
V
Driver Collector Voltage
V
C(DR)
40
V
Switch Current
I
SW
1.5
A
DIP-8
1.25
Power Dissipation at T
J=20
oCP
D
SO-8
0.625
W
Operating Ambient Temperature Range
T
opr
0~+70
oC
Storage Temperature Range
T
stg
-65~+150
oC
Operating Junction Temperature
T
opj
120
oC
Thermal Resistance Junction-ambient
θJA
125
oC/W
8-Lead Plastic SO-8
Package Code: S
8-Lead Plastic DIP-8
Package Code: P




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