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onsemi FAN53527 Switching Voltage Regulator

onsemi FAN53527 Switching Voltage Regulator is a step-down switching voltage regulator with a 2.5V to 5.5V input voltage supply range. onsemi FAN53527 Switching Voltage Regulator delivers 3A continuous at over 80% efficiency. The regulator is programmed through an I2C interface or operated in stand-alone mode with pin controls for enable, output voltage, and auto-PFM or forced PWM operation. This switching voltage regulator is available in a 15-bump, 1.310mm × 2.015mm × 0.4mm ball pitch WLCSP package. Typical applications include graphics, DSP processors, hard disk drives, smartphones, gaming devices, and tablets.

Features

  • I2C compatible interface or stand-alone operation
  • 2.4MHz fixed-frequency PWM operation 
  • Auto PFM mode for high efficiency at light loads
  • Leading load transient response
  • 2.5V to 5.5V input voltage range 
  • 3A continuous output current capability
  • 48A low quiescent current
  • <1A low shutdown current
  • Input undervoltage lockout (UVLO)
  • Thermal shutdown and overload protection
  • Programmable/selectable output voltage
    • 1V to 1.39375V in 6.25mV steps (I2C programmable)
    • 1.125V and 1.081V (pin selectable values)
  • Programmable output voltage transition slew rate

Applications

  • Applications, graphics, and DSP processors
  • Hard disk drives, LPDDR4 SDRAM, and LPDDR5 SDRAM
  • Smartphones
  • Gaming devices
  • Tablets, notebooks, and ultra-mobile PCs

Typical Application Diagram

Application Circuit Diagram - onsemi FAN53527 Switching Voltage Regulator
Publicado: 2020-02-18 | Actualizado: 2024-05-16