3.0A Step Down Switching Voltage Regulator

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Overview

The FAN53527 is a step−down switching voltage regulator with an input voltage supply range of 2.5 V to 5.5 V. Device settings can be programmed through an I2C interface, or the IC can be operated in stand-alone mode with pin controls for enable, output voltage, and Auto PFM or Forced PWM operation.Using a proprietary architecture with synchronous rectification, the FAN53527 is capable of delivering 3.0A continuous at over 80% efficiency, and maintain that efficiency with load currents as low as 10mA. At moderate and light loads, Pulse Frequency Modulations(PFM) is used to operate in Power-Save Mode where excellent transient response is maintained. In Shutdown Mode, the supply current drops below 1 μA, further reducing power consumption. At higher loads, the device automatically switches to fixed-frequency PWM control, operating at 2.4MHz.The FAN53527 is available in a 15-bump, 1.310 mm x 2.015 mm, 0.4 mm ball pitch, Wafer-Level Chip-Scale Package (WLCSP).

  • Application, Graphic, and DSP Processors
  • Hard Disk Drives, LPDDR4, LPDDR5
  • Smart Phones
  • Gaming Devices
  • Tablets, Netbooks, Ultra-Mobile PCs
  • Smart Phones
  • Tablets, Netbooks, Ultra-Mobile PCs
  • Gaming Devices
  • Best−in−Class Load Transient Response
  • Programmable/ Selectable Output Voltage:
    *1 V to 1.39375 V in 6.25 mV Steps (I2C Programmable)
    *1.125 V & 1.081 V (Pin Selectable Values)
  • Programmable Output Voltage Transition Slew Rate
  • Fixed−Frequency Operation: 2.4 MHz
  • PFM Mode for High Efficiency at Light-Load
  • Wide Input Voltage Range: 2.5 V to 5.5 V
  • Continuous Output Current Capability: 3.0 A
  • Low Quiescent Current: 50 uA
  • Low Shutdown Current: <1 uA
  • Input Under−Voltage Lockout (UVLO)
  • Thermal Shutdown and Overload Protection
  • I2C Compatible Interface or Stand-Alone Operation

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FAN53527UC84X

Active

Pb

A

H

P

WLCSP-15

1

260

REEL

3000

Y

Step-Down

Voltage Mode

2.5

5.5

Adjustable

3

80

2400

$0.368

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