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CS5111 - 1.4A Switching Regulator

Datasheet Summary

Description

PACKAGE PIN # SO

Supply voltage.

No connection.

Collector of NPN power switch for switching regulator section.

Features

  • Linear Regulator.
  • 5.0 V ± 2% @ 100 mA.
  • Switching Regulator.
  • 1.4 A Peak Internal Switch.
  • 120 kHz Maximum Switching Frequency.
  • 5.0 V to 26 V Operating Supply Range.
  • Smart Functions.
  • Watchdog.
  • RESET.
  • ENABLE.
  • Protection.
  • Overvoltage.
  • Overtemperature.
  • Current Limit.
  • 54 V Peak Transient Capability.
  • Internally Fused Leads in SO.
  • 24L Package © Semicondu.

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Datasheet preview – CS5111

Datasheet Details

Part number CS5111
Manufacturer ON Semiconductor
File Size 107.74 KB
Description 1.4A Switching Regulator
Datasheet download datasheet CS5111 Datasheet
Additional preview pages of the CS5111 datasheet.

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Full PDF Text Transcription

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CS5111 1.4 A Switching Regulator with 5.0 V, 100 mA Linear Regulator with Watchdog, RESET and ENABLE The CS5111 is a dual output power supply integrated circuit. It contains a 5.0 V ± 2%, 100 mA linear regulator, a watchdog timer, a linear output voltage monitor to provide a Power On Reset (POR) and a 1.4 A current mode PWM switching regulator. The 5.0 V linear regulator is comprised of an error amplifier, reference, and supervisory functions. It has low internal supply current consumption and provides 1.2 V (typical) dropout voltage at maximum load current. The watchdog timer circuitry monitors an input signal (WDI) from the microprocessor. It responds to the falling edge of this watchdog signal.
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