SGM66055 2.2MHz, Fixed Output Synchronous Tiny Boost Converter with a 4A Switch
■The SGM66055 is an internally compensated, 2.2MHz switching frequency, current mode, synchronous boost switching regulator. Even below the minimum system battery voltage, the device maintains the output voltage regulation for a minimum output load current of 0.9A. 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 SGM66055-4.5/5.4 are available in the Green WLCSP-1.21×1.21-9B package; the SGM66055-5.0 is available in the Green WLCSP-1.21×1.21-9B and TDFN-2×3-8BL packages. They operate over an ambient temperature range of -40°C to +85°C.
●FEATURES:
■2.5V to 4.5V Operating Input Voltage Range
■4.5V, 5.0V and 5.4V Fixed Output Voltages
■5.7V Output Voltage Clamping
■93% Efficient Synchronous Boost Converter
■23μA (TYP) Device Quiescent Current
■Less than 1μA Shutdown Current
■Improved Light Load Efficiency with Power-Save Mode (PSM)
■Load Disconnect During Shutdown
■Low Reverse Leakage Current when V-OUT>V-IN
■Over-Temperature Protection
■Available in Green WLCSP-1.21×1.21-9B and TDFN-2×3-8BL Packages
■-40°C to +85°C Operating Temperature Range
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SGM66055 、 SGM66055-4.5YG/TR 、 SGM66055-5.0YG/TR 、 SGM66055-5.4YG/TR 、 SGM66055-5.0YTDC8G/TR 、 SGM66055-4.5 、 SGM66055-5.4 、 SGM66055-5.0 |
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[ Class-D Audio Amplifier ][ Smart Phones ][ Tablets ][ Portable Devices ][ Wearable Devices ][ USB OTG Supply ] |
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Datasheet |
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Please see the document for details |
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WLCSP-1.21×1.21-9B;TDFN-2×3-8BL |
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English Chinese Chinese and English Japanese |
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NOVEMBER 2021 |
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REV.A.2 |
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1.4 MB |
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