MC33063A

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1.5-A boost, buck, inverting switching regulator, operation from -40°C to 85°C

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Data sheet

document-pdfAcrobat MC3x063A 1.5-A Peak Boost/Buck/Inverting Switching Regulators datasheet (Rev. N) PDF | HTML

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LM51581

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1.5-A, 85-V, 2.2-MHz wide VIN boost, flyback, & SEPIC converter with dual random spread spectrum Higher Vout capability and higher switch current

MC33063A

ACTIVE

Data sheet

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Product details

Rating

Catalog

Topology

Boost, Buck, Flyback, Forward, SEPIC

Vin (max) (V)

40

Vin (min) (V)

3

Vout (max) (V)

40

Vout (min) (V)

1.25

Features

Nonsynchronous rectification

Duty cycle (max) (%)

80

Iq (typ) (A)

0.004

Operating temperature range (°C)

-40 to 85

Rating

Catalog

Topology

Boost, Buck, Flyback, Forward, SEPIC

Vin (max) (V)

40

Vin (min) (V)

3

Vout (max) (V)

40

Vout (min) (V)

1.25

Features

Nonsynchronous rectification

Duty cycle (max) (%)

80

Iq (typ) (A)

0.004

Operating temperature range (°C)

-40 to 85

PDIP (P)

8

92.5083 mm² (9.81 mm × 9.43 mm)

SOIC (D)

8

29.4 mm² (4.9 mm × 6 mm)

WSON (DRJ)

8

16 mm² (4 mm × 4 mm)

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

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

The MC33063A and MC34063A devices 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.

The MC33063A device is characterized for operation from –40°C to 85°C, while the MC34063A device is characterized for operation from 0°C to 70°C.

The MC33063A and MC34063A devices 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.

The MC33063A device is characterized for operation from –40°C to 85°C, while the MC34063A device is characterized for operation from 0°C to 70°C.

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Top documentation	Type	Title	Format options	Date
*	Data sheet	MC3x063A 1.5-A Peak Boost/Buck/Inverting Switching Regulators datasheet (Rev. N)	PDF \| HTML	Jan 29, 2015
	Application note	Adding shutdown feature to MC33063A, MC34063A switching regulators		Feb 5, 2013
	Application note	Application of the MC34063 Switching Regulator (Rev. B)		Nov 6, 2007