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KA78RH33 - Semi Low Dropout Voltage Regulator

General Description

The KA78RH33 is a +3.3V fixed Low Dropout Voltage Regulator specifically designed for use in low voltage operation.

The maximum load current is 0.8A and the dropout voltage is guaranteed to be 1V(Typ).

The Dropout Voltage varies with load current.

Key Features

  • Fixed Output Voltage of +3.3V Space Saving SMD types of DPAK 1V(Typ) Dropout at Io=800mA Output Current of 800mA Thermal Shutdown Protection Over Current Protection Output trimmed to +/-1% Tolerance No minimum Load Requirement.

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The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.fairchildsemi.com KA78RH33 Semi Low Dropout Voltage Regulator Features • • • • • • • • Fixed Output Voltage of +3.3V Space Saving SMD types of DPAK 1V(Typ) Dropout at Io=800mA Output Current of 800mA Thermal Shutdown Protection Over Current Protection Output trimmed to +/-1% Tolerance No minimum Load Requirement Description The KA78RH33 is a +3.3V fixed Low Dropout Voltage Regulator specifically designed for use in low voltage operation. The maximum load current is 0.8A and the dropout voltage is guaranteed to be 1V(Typ). The Dropout Voltage varies with load current. The regulator consists of composite PNP-NPN pass transistors. D-PAK 1 1. GND 2. Vout 3.Vin Internal Block Diagram 3.Vin CURRENT GENERATOR PROTECTION CIRCUIT 2.Vout 1.GND Rev. 1.0.