Boost Converter, Fixed Frequency, PWM, Micropower, 100 mA, 180 kHz

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Overview

The NCP1400A series are micropower step-up DC to DC converters that are specifically designed for powering portable equipment from one or two cell battery packs. These devices are designed to start-up with a cell voltage of 0.8 V and operate down to less than 0.2 V. With only four external components, this series allows a simple means to implement highly efficient converters that are capable of up to 100 mA of output current.

Each device consists of an on-chip fixed frequency oscillator, pulse width modulation controller, phase compensated error amplifier that ensures converter stability with discontinuous mode operation, soft-start, voltage reference, driver, and power MOSFET switch with current limit protection. Additionally, a chip enable feature is provided to power down the converter for extended battery life.

The NCP1400A device series are available in the TSOP-5 package with seven standard regulated output voltages. Additional voltages that range from 1.8 V to 4.9 V in 100 mV steps can be manufactured.

  • Cellular Telephones
  • Pagers
  • Personal Digital Assistants
  • Electronic Games
  • Digital Cameras
  • Camcorders
  • Handheld Instruments
  • Extremely Low Start-Up Voltage of 0.8 V
  • Operation Down to Less than 0.2 V
  • Only Four External Components for Simple Highly Efficient Converters
  • Up to 100 mA Output Current Capability
  • Fixed Frequency Pulse Width Modulation Operation
  • Phase Compensated Error Amplifier for Stable Converter Operation
  • Chip Enable Power Down Capability for Extended Battery Life
  • Pb-Free Packages are Available

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CAD Models

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Reference Price

NCP1400ASN19T1G

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Obsolete

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

N

Step-Up

Voltage Mode

0.8

5.5

1.9

Up to 0.1

88

180

Price N/A

More Details

NCP1400ASN22T1G

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Obsolete

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

N

Step-Up

Voltage Mode

0.8

5.5

2.2

Up to 0.1

88

180

Price N/A

More Details

NCP1400ASN25T1G

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Obsolete

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

N

Step-Up

Voltage Mode

0.8

5.5

2.5

Up to 0.1

88

180

Price N/A

More Details

NCP1400ASN27T1G

Loading...

Obsolete

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

N

Step-Up

Voltage Mode

0.8

5.5

2.7

Up to 0.1

88

180

Price N/A

More Details

NCP1400ASN30T1G

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Obsolete

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

N

Step-Up

Voltage Mode

0.8

5.5

3

Up to 0.1

88

180

Price N/A

More Details

NCP1400ASN33T1G

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Obsolete

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

N

Step-Up

Voltage Mode

0.8

5.5

3.3

Up to 0.1

88

180

Price N/A

More Details

NCP1400ASN38T1G

Loading...

Obsolete

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

N

Step-Up

Voltage Mode

0.8

5.5

3.8

Up to 0.1

88

180

Price N/A

More Details

NCP1400ASN45T1G

Loading...

Obsolete

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

N

Step-Up

Voltage Mode

0.8

5.5

4.5

Up to 0.1

88

180

Price N/A

More Details

NCP1400ASN50T1G

Loading...

Obsolete

CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

N

Step-Up

Voltage Mode

0.8

5.5

5

Up to 0.1

88

180

Price N/A

More Details

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