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SGM66055B
2.2MHz, Fixed Output Synchronous Tiny Boost Converter with a 2.4A Switch
2.2MHz, Fixed Output Synchronous Tiny Boost Converter with a 2.4A Switch
GENERAL DESCRIPTION

The SGM66055B is an internally compensated, 2.2MHz switching frequency, current mode, synchronous Boost switching converter. The SGM66055B supports up to 800mA load current from a battery as low as 2.65V, and the output voltage is fixed at 5.0V. This device turns into power-save mode to maintain high efficiency at light load currents. Its output is disconnected by the rectifier circuit during shutdown with no input to output leakage.

The SGM66055B has built-in protection features such as short-circuit protection, over-current protection and thermal shutdown.

The SGM66055B is available in a Green WLCSP-1.21×1.21-9B package.

PIN CONFIGURATIONS

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FEATURES
  • 2.5V to 4.85V Operating Input Voltage Range

  • 5.0V Fixed Output Voltage

  • IOUT ≥ 1A at VOUT = 5V, VIN ≥ 2.7V

  • Up to 97% Efficiency

  • Device Quiescent Current: 24μA (TYP)

  • Shutdown Current: 1μA (MAX)

  • Improved Light Load Efficiency with Power-Save Mode (PSM)

  • Low Reverse Leakage Current when VOUT > VIN

  • Load Disconnect during Shutdown

  • Thermal Shutdown

  • -40 to +85 Operating Temperature Range

  • Available in a Green WLCSP-1.21×1.21-9B Package

APPLICATIONS

USB OTG

Single-Cell Li-Ion Battery Power Supply

Smart Phones and Tablets

Portable and Wearable Devices

ORDERING INFORMATION
Part Number Status Package Pins Pb-Free Temp Range
SGM66055B-5.0YG/TR Production WLCSP-1.21×1.21-9B 9 Y -40℃ to +85℃ Samples