Buck / Boost / Inverting Regulator, Switching, 1.5 A

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Overview

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.

  • 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
  • Cigarette Lighter Adapter (CLA)
  • Power Supply
  • 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 +70degC
  • MC33063A = -40 to +85degC
  • MC33063AV / NCV33063A = -40 to +125degC
  • 4x4mm DFN package option

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ECAD Models

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VCC Min (V)

VCC Max (V)

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IO Typ (A)

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MC34063AP1G

Active

Pb

A

H

P

PDIP-8

NA

0

TUBE

50

N

Step-Up/Step-Down

Voltage Mode

3

40

40

1.5

87.7

100

$0.3373

More Details

MC34063ADR2G

Active

Pb

A

H

P

SOIC-8

1

260

REEL

2500

N

Step-Up/Step-Down

Voltage Mode

3

40

40

1.5

87.7

100

$0.22

More Details

MC34063ADG

Active

Pb

A

H

P

SOIC-8

1

260

TUBE

98

N

Step-Up/Step-Down

Voltage Mode

3

40

40

1.5

87.7

100

$0.2101

More Details

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