FEATURES 
• Wide Input Voltage Range…3 V to 40 V
• High Output Switch Current…Up to 1.5 A
• Adjustable Output Voltage
•Oscillator Frequency…Up to 100 kHz
• Precision Internal Reference…2%
•Short-Circuit Current Limiting
•Low Standby Current
 
DESCRIPTION/ORDERING INFORMATION
 
The MC33063A and MC34063A are easy-to-use ICs containing all the primary circuitry needed for building simple dc-dc converters. These devices primarily consist of an internal temperature-compensated reference, a comparator, an oscillator, a PWM controller with active current limiting, a driver, and a high-current output switch. Thus, the devices require minimal external components to build converters in the boost, buck, and inverting topologies.
 

 
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