The MC34063A Series is a monolithic control circuit containing the primary functions required for dc-to-dc converters. These Buck Boost Inverting Switching Regulators 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 designed to be incorporated in Step down (Buck), Step up (Boost) and Voltage-Inverting applications with a minimum number of external components. Refer to Application Notes AN920A/D and AN954/D for additional design information. The MC33063 is an extended temperature version. The NCV33063 is an extended temp version for automotive.

Application

For Higher Switching Frequency See NCP3063
For Dedicated ENABLE Pin and Higher Switching Frequency See NCP3064
Fan Controller
DC-DC Power Supply
For DFN package see MC33063MNTXG

End Product

Cigarette Lighter Adapter (CLA)
Power Supply

Feature

Operation from 3.0 V to 40 V Input
Low Standby Current
Current Limiting
Output Switch Current to 1.5 A
Output Voltage Adjustable
Frequency Operation to 100 kHz
Precision 2% Reference
MC34063A = 0 to +70℃
MC33063A = -40 to +85℃
MC33063AV / NCV33063A = -40 to +125℃
4x4mm DFN package option

Images	Part Number	Mfr	Description	Datasheet	Availability	Price	Qty	RFQ	Rohs
	MC33063AP1G	ONSEMI	Buck / Boost / Inverting Regulator, Switching, 1.5 A	Datasheet	In Stock	Check Price	MOQ:1	Get a Quote
	MC33063AP1G/H	onsemi		-	In Stock	Check Price	MOQ:1	Get a Quote

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