Boost Converter, PFM, DC-DC, 15 V, 50 mA

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Overview

The NCP1403 is a monolithic PFM step-up DC-DC converter. This device is designed to boost a single Lithium or two cell AA/AAA battery voltage up to 15 V (with internal MOSFET) output for handheld applications. A pull-up Chip Enable feature is included to extend battery operating life. The device can also be configured in step-down and voltage-inverting configurations. This device is available in space-saving TSOP-5package.

  • LCD Bias
  • Personal Digital Assistants (PDA)
  • Digital Still Camera
  • Hand-held Games
  • Hand-held Instrument
  • 82% Efficiency at VOUT = 15 V, IOUT = 50 mA, VIN = 5.0 V
  • 78% Efficiency at VOUT = 15 V, IOUT = 30 mA, VIN = 3.6 V
  • Low Operating Current of 19 µA (No Switching)
  • Low Shutdown Current of 0.3 µA
  • Low Start-up Voltage of 1.3 V Typical at 0 mA
  • Output Voltage up to 15 V with Built-in 16 V MOSFET Switch
  • PFM Switching Frequency up to 300 kHz
  • Chip Enable
  • Low Profile and Minimum External Parts
  • Micro Miniature TSOP-5 Package

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NCP1403SNT1G

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CAD Model

Pb

A

H

P

TSOP-5 / SOT-23-5

1

260

REEL

3000

N

Step-Up

-

1.2

5.5

Up to 15

0.05

72

-

Price N/A

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