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NCP1400A - Fixed Frequency PWM Step-Up Micropower Switching Regulator

Datasheet Summary

Features

  • Extremely Low Startup 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.
  • These Devices are Pb.
  • Free and are RoHS Compliant Typical.

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Datasheet preview – NCP1400A

Datasheet Details

Part number NCP1400A
Manufacturer ON Semiconductor
File Size 407.13 KB
Description Fixed Frequency PWM Step-Up Micropower Switching Regulator
Datasheet download datasheet NCP1400A Datasheet
Additional preview pages of the NCP1400A datasheet.

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Full PDF Text Transcription

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NCP1400A 100 mA, Fixed Frequency PWM Step-Up Micropower Switching Regulator 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 startup 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.
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