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FAN21SV04 Datasheet 24v Single-input Integrated Synchronous Buck Regulator

Manufacturer: Fairchild (now onsemi)

Overview: FAN21SV04 — TinyBuck™ 4A, 24V Single-Input Integrated Synchronous Buck Regulator August 2009 FAN21SV04 — TinyBuck™ 4A, 24V Single-Input Integrated Synchronous Buck.

General Description

The FAN21SV04 TinyBuck™ is a highly efficient, small-footprint, programmable-frequency, 4A, integrated synchronous buck regulator.

FAN21SV04 contains both synchronous MOSFETs and a controller/driver with optimized interconnects in one package, which enables designers to solve highcurrent requirements in a small area with minimal external ponents, thereby reducing cost.

Onboard internal 5V regulator enables single-supply operation for input voltages >6.5V.

Key Features

  • Single-Supply Operation with 4A Output Current.
  • Wide Input Range with Dual Supply: 3.0V to 24V.
  • Wide Output Voltage Range: 0.8V to 80% VIN.
  • Over 94% Peak Efficiency.
  • 1% Reference Accuracy Over Temperature.
  • Fully Synchronous Operation with Integrated Schottky Diode on Low-Side MOSFET Boosts Efficiency.

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