SGM66055A 2.2MHz, Fixed Output Synchronous Tiny Boost Converter with a 3A Switch
■The SGM66055A 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 0.7A. This device turns into power-save 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.
■In addition, the SGM66055A device can also support the pass-through mode by pulling EN to low. In this mode, the output voltage follows the input voltage with a voltage drop by the resistance of the inductor and high-side MOSFET.
■The SGM66055A-5.0 and SGM66055A-5.4 are preset for outputting 5.0V and 5.4V.
■The device is available in a Green WLCSP-1.21×1.21-9B package and operates over an ambient temperature range of -40°C to +85°C.
●FEATURES:
■Operating Input Voltage Range: 2.5V to 4.5V
■Fixed Output Voltages: 5.0V and 5.4V
■Output Voltage Clamping: 5.7V
■93% Efficient Synchronous Boost Converter
■Device Quiescent Current: 23μ A (TYP)
■Improved Light Load Efficiency with Power-Save Mode (PSM)
■Pass-through Mode by Pulling EN Low
■Low Reverse Leakage Current when V-OUT>V-IN
■Over-Temperature Protection
■Available in a Green WLCSP-1.21×1.21-9B Package
■-40°C to +85°C Operating Temperature Range
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SGM66055A 、 SGM66055A-5.0YG/TR 、 SGM66055A-5.4YG/TR 、 SGM66055A-5.4 、 SGM66055A-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 |
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English Chinese Chinese and English Japanese |
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MAY 2019 |
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REV.A.2 |
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1.4 MB |
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