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AX34063AS Datasheet

  • AX34063AS

  • DC-to-DC Converter Integrate Circuit Devices

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  • 7页

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AX34063AP / AX34063AS
DC-to-DC Converter Integrate Circuit Devices
Description
The AX34063A 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 Avantics
Microelectronics Corp.
8-Lead Plastic
DIP-8
Package Code: P
鈥?/div>
Features
鈥?/div>
3V to 40V Input Voltage Operation
鈥?/div>
Internal 1.6A Peak Current Switch
鈥?/div>
Internal 卤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
8-Lead Plastic
SO-8
Package Code: S
Pin Connections
8
7
6
5
Pin1: Switch Collector (SWC)
Pin2: Switch Emitter (SWE)
Pin3: Timing Capacitor (TC)
Pin5: Comparator Inverting Input (FB)
Pin6: Voltage Supply (Vcc)
Pin7: Ipk Sense (Ipk)
Pin8: Voltage Driver Collector (DRC)
1
2
3
4
Pin4: Ground (GND)
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
AVANTICS - AX34063AP, AX34063AS
Specification No.: 050308-FE0007

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