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CS51031 - Fast P-Ch FET Buck Controller

General Description

Package Pin Number 1 2 3 4 5 6 7 8 Pin Symbol VGATE PGND COSC GND VFB VCC CS VC Function Driver pin to gate of external P

Ch FET.

Output power stage ground connection.

Oscillator frequency programming capacitor.

Start a

Key Features

  • http://onsemi. com 8 1 SOIC.
  • 8 D SUFFIX CASE 751.
  • 1.0 A Totem Pole Output Driver High Speed Oscillator (700 kHz max) No Stability Compensation Required Lossless Short Circuit Protection VCC Monitor 2.0% Precision Reference Programmable Soft.
  • Start Wide Ambient Temperature Range:.
  • Industrial Grade:.
  • 40°C to 85°C.
  • Commercial Grade: 0°C to 70°C Pb.
  • Free Packages.

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Datasheet Details

Part number CS51031
Manufacturer onsemi
File Size 121.49 KB
Description Fast P-Ch FET Buck Controller
Datasheet download datasheet CS51031 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com CS51031 Fast P−Ch FET Buck Controller The CS51031 is a switching controller for use in DC−DC converters. It can be used in the buck topology with a minimum number of external components. The CS51031 consists of a VCC monitor for controlling the state of the device, 1.0 A power driver for controlling the gate of a discrete P−Channel transistor, fixed frequency oscillator, short circuit protection timer, programmable Soft−Start, precision reference, fast output voltage monitoring comparator, and output stage driver logic with latch. The high frequency oscillator allows the use of small inductors and output capacitors, minimizing PC board area and systems cost. The programmable Soft−Start reduces current surges at startup.