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CS8121 Datasheet 5v/ 1a Linear Regulator With And Enable Reset

Manufacturer: Cherry Semiconductor Corporation

Overview: CS8121 CS8121 5V, 1A Linear Regulator with RESET and ENABLE.

General Description

The CS8121 is a 5V, 1A precision linear regulator with two microprocessor compatible control functions and protection circuitry included on chip.

The composite NPN-PNP output pass transistor assures a lower dropout voltage (1.2V @ 1A) without requiring excessive supply current (4mA).

The CS8121Õs two logic control functions make this regulator well suited to applications requiring microprocessorbased control at the board or module level.

Key Features

  • s 5V ± 4% Output Voltage s Low Dropout Voltage (1.2V @ 1A) s Low Quiescent Current (4mA @ IOUT = 1A) s µP Compatible Control Functions RESET ENABLE s Low Current Sleep Mode IQ = 250µA s Fault Protection Thermal Shutdown Short Circuit 60V Peak Transient Voltage Block Diagram Package Options 5 Lead TO-220 5 Lead TO-220 Overmolded V OUT V IN Over Voltage Shutdown ENABLE Comparator Bandgap Supply + Error Amplifier 5 Lead TO-220 Output Current Limit 1 VIN V OUT(SENSE) VREF RESET Rev. 5/4/99.

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