SGM66055A 2.2MHz, Fixed Output Synchronous Tiny Boost Converter with a 3A Switch
●The SGM66055A is an internally compensated, 2.2MHz switching frequency, peak current mode, synchronous Boost switching converter. 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 respectively.
●The device is available in a Green WLCSP-1.21×1.21-9B package and operates over an ambient temperature range of -40℃ to +85℃.
■FEATURES:
●Operating Input Voltage Range: 2.5V to 4.5V
●Fixed Output Voltages: 5.0V and 5.4V
●Output Voltage Clamping: 5.7V
●Up to 93% Efficieny
●Quiescent Current: 23µA (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
●Thermal Shutdown
●Available in a Green WLCSP-1.21×1.21-9B Package
●-40℃ to +85℃ Operating Temperature Range
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SGM66055A 、 SGM66055A-5.0 、 SGM66055A-5.4 、 SGM66055A-5.0YG/TR 、 SGM66055A-5.4YG/TR |
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Fixed Output Synchronous Tiny Boost Converter 、 switching frequency, peak current mode, synchronous Boost switching converter |
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[ USB OTG ][ Class-D Audio Amplifier ][ Smart Phones ][ Tablets ][ Portable Devices ][ Wearable Devices ] |
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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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APRIL 2022 |
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REV. A.3 |
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1.6 MB |
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