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Part Number: AZ34063C

 

 

 

 

Description: The AZ34063C is a monolithic switching regulator control circuit containing the primary functions required for DC-DC co...


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AZ34063C General Description


The AZ34063C is a monolithic switching regulator control circuit containing the primary functions required for DC-DC converters. This device consists of internal temperature compensated reference, voltage comparator, controlled duty cycle oscillator with active current limit circuit, driver and high current output switch. This device is specifically designed to be used in Step-Down, Step-Up and Voltage-Inverting applications with a minimum number of external components.

The AZ34063C is the enhanced version of AZ34063 with the ability to work in higher frequency.

The AZ34063C is available in 2 packages: SOIC-8 and DIP-8.

AZ34063C Maximum Ratings

Parameter Symbol Value Unit
Power Supply Voltage VCC 40 V
Comparator Input Voltage Range VIR -0.3 to 7 V
Switch Collector Voltage VC(switch) 40 V
Switch Emitter Voltage (Vpin1=40V) VE(switch) 40 V
Switch Collector to Emitter Voltage VCE(switch) 40 V
Driver Collector Voltage VC(driver) 40 V
Driver Collector Current (Note 2) IC(driver) 100 mA
Switch Current ISW 0.8 A
Power Dissipation and ThermalCharacteristics
Plastic Package,
Power Dissipation (TA = 25 )
Thermal Resistance
SOIC Package,
Power Dissipation (TA = 25 )
Thermal Resistance
     
PD 1.25 W
RJ 100 􀄇 /W
     
PD 625 mW
RJA 160 􀄇 /W
Operating Junction Temperature TJ 150 􀄇
Storage Temperature Range TSTG -65 to 150  
ESD (Human body model)   2000 V

AZ34063C Features

• Operation from 3.0V to 36V Input
• Low Standby Current
• Current Limiting
• Output Switch Current to 0.8A
• Output Voltage Adjustable
• Operation Frequency up to 180KHz (CT=100pF)
• Precision 2% Reference

AZ34063C Typical Application

Battery Chargers
NICs/ Switches/ Hubs
ADSL Modems
Negative Voltage Power Supplies

AZ34063C Connection Diagram

AZ34063C  Connection Diagram
AZ34063C  Connection Diagram

AZ34063C datasheet

AZ34063C
PDF/DataSheet Download

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