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General Description
The G5934 is a high-voltage switched-capacitor charge pump that provides the regulated output voltage of 1.5x input voltage. Input voltages ranging from 8V to 24V can be converted into a 12V to 36V output supply. The device is ideal for battery-powered conversion applications in notebook computers with a typical operating current of 150µA at 8V supply and 190µA at 24V supply.
The G5934 has a NMOS open-drain output pin for power good indication. When VOUT > 1.5 x VIN x 90%, the NMOS will be turned off immediately and PG pin will be pulled high by external resistor.
The G5934 contains an embedded 12-V LDO to provide the supply voltage to the drivers controlled by ON signals. The discharging networks are connected to the 22Ω resistor to shut down the low-voltage system while control input signals ON are not ready.
The G5934 contains an over-temperature circuit to protect the device under continuous output short circuit conditions.
The G5934 is available in TQFN3X3-20 package (thermal pad included).Features
■ Input Range: 8V to 24V
■ Output Range: 12V to 36V
■ 150µA Quiescent Current at 8V Supply Voltage and 190µA Quiescent Current at 24V Supply Voltage
■ ±3% Regulated Output
■ Power Good Function
■ Power Good of Open Drain (Monitor AC VIN Only)
■ Embedded a 12-V LDO
■ 4 Control Signal Inputs
■ 4 12V-Drivers for external NMOS switches
■ 4 Discharging Networks for 22Ω
■ Over-Temperature Protection
■ Output Short Circuit Protection
■ TQFN3X3-20 PackageApplications
■ Notebook Computers
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- Last Updated: 2024/06/13 16:07 +0800
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