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AVANTICS - AX34063AP, AX34063AS

Specification No.: 050308-FE0007

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.

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)

8

7

6

5

1

2

3

4

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

D

SO-8

0.625

W

Operating Ambient Temperature Range

T

opr

0~+70

Storage Temperature Range

T

stg

-65~+150

Operating Junction Temperature

T

opj

120

Thermal Resistance Junction-ambient

θJA

125

8-Lead Plastic SO-8

Package Code: S

•

8-Lead Plastic DIP-8

Package Code: P