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SGM66052

Efficient Synchronous Step-Up Converter with a 2.7A Switch in UTDFN Package
 
Efficient Synchronous Step-Up Converter with a 2.7A Switch in UTDFN Package
GENERAL DESCRIPTION

The SGM66052 is an internally compensated, 1.1MHz switching frequency, current mode, synchronous step-up switching regulator, which is capable of generating 5V output at 1A load current from a 3.3V rail.

This device turns into power-saving mode to maintain high efficiency by lowering switching frequency. With its anti-ringing circuitry damping the charge in parasitic capacitor, it reduces EMI interference significantly. Its output is disconnected by the rectifier circuit during shutdown, with no input to output leakage.

The SGM66052-5.1 is preset for outputting 5.1V, while the SGM66052-ADJ is output voltage programmable with an external resistor divider.

The device is available in a Green UTDFN-2×1.5-6L package and operates over an ambient temperature range of -40 to +85.

PIN CONFIGURATIONS

66052.png

FEATURES
  • 90% Efficient Synchronous Boost Converter

  • Device Quiescent Current: 20μA (TYP)

  • Less than 1μA Shutdown Current

  • Operating Input Voltage Range: 2.2V to 4.5V

  • Fixed Output Voltage: 5.1V

  • Output Voltage Clamping: 6V

  • Adjustable Output Voltage Up to 5.2V

  • Power-Save Mode for Improved Efficiency at Low Output Power

  • Load Disconnect During Shutdown

  • Low Reverse Leakage Current when VOUT > VIN

  • Over-Temperature Protection

  • Available in a Green UTDFN-2×1.5-6L Package

  • -40 to +85 Operating Temperature Range

APPLICATIONS

Single-Cell Li-Ion Powered Products

Portable Audio Players

Cellular Phones

Personal Medical Products

ORDERING INFORMATION
Part NumberStatusPackagePinsPb-FreeTemp Range
SGM66052-ADJYUDR6G/TRProductionUTDFN-2×1.5-6L6Y-40℃ to +85℃
SGM66052-5.1YUDR6G/TRProductionUTDFN-2×1.5-6L6Y-40℃ to +85℃

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