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同步整流升壓轉(zhuǎn)換器

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SGM66052

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

應(yīng)用領(lǐng)域

Efficient Synchronous Boost Converter with a 2.7A Switch

產(chǎn)品詳情
GENERAL DESCRIPTION

The SGM66052 is an internally compensated, 1.1MHz switching frequency, current mode, synchronous Boost switching regulator, which is capable of generating 5V output at 1A load current from a 3.3V rail. This device also has the 5.1V fixed output version.

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

  • 2.2V to 5.2V Input Voltage Range

  • 5.1V Fixed Output Voltage

  • 6V Output Voltage Clamping

  • Adjustable Output Voltage up to 5.2V

  • Up to 90% Efficiency

  • 20μA (TYP) Device Quiescent Current

  • 1μA (MAX) Shutdown Current

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

  • 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

Mobile Phones

Personal Medical Devices


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℃