Step-Down DC-DC Regulator, Non-Synchronous, 2 A, 23 V

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Overview

The FAN8303 is a monolithic, non-synchronous, stepdown (buck) regulator with internal power MOSFETs. It achieves 2 A continuous output current over a wide input supply range with excellent load and line regulation. Current-mode operation provides fast transient response and eases loop stabilization. Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown. The regulator draws less than 40 µA shutdown current. FAN8303 requires a minimum number of readily available standard external components.
External compensation, enable, and programmable soft-start features allow design optimization and flexibility. Cycle-by-cycle current limit, frequency foldback, and thermal shutdown provide protection against shorted outputs.

  • TBA
  • 2 A Output Current
  • 0.22 Ω Internal Power MOSFET Switch
  • Wide 5 V to 23 V Operating Input Range
  • Output Adjustable from 0.6 to 20 V
  • Stable with Low ESR Output Ceramic Capacitors
  • Up to 90% Efficiency
  • Less than 40 µA Shutdown Current
  • Fixed 370 kHz Frequency
  • Thermal Shutdown with Hysteresis
  • Cycle-by-Cycle Over-Current Protection

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FAN8303MX

Last Shipments

Pb

A

H

P

SOIC-8

1

260

REEL

2500

N

Step-Down

Voltage Mode

5

23

Adjustable

2

90

370

Price N/A

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