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NCV47821 - 3.3V to 20V Adjustable Dual LDO

General Description

Pin No.

1 Vin Power Supply Input for Channel 1 and supply of control circuits of whole chip.

At least 4.4 V power supply must be used for proper IC functionality.

Key Features

  • The NCV47821 dual channel LDO regulator with 200 mA per channel is designed for use in harsh automotive environments. The device has a high peak input voltage tolerance and reverse input voltage, reverse bias, overcurrent and overtemperature protections. The integrated current sense feature (adjustable by resistor connected to CSO pin for each channel) provides diagnosis and system protection functionality. The CSO pin output current creates voltage drop across CSO resistor which is proportiona.

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Datasheet Details

Part number NCV47821
Manufacturer onsemi
File Size 181.06 KB
Description 3.3V to 20V Adjustable Dual LDO
Datasheet download datasheet NCV47821 Datasheet

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Full PDF Text Transcription (Reference)

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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NCV47821 3.3 V to 20 V Adjustable Dual LDO with Adjustable Current Limit and Diagnostic Features The NCV47821 dual channel LDO regulator with 200 mA per channel is designed for use in harsh automotive environments. The device has a high peak input voltage tolerance and reverse input voltage, reverse bias, overcurrent and overtemperature protections. The integrated current sense feature (adjustable by resistor connected to CSO pin for each channel) provides diagnosis and system protection functionality. The CSO pin output current creates voltage drop across CSO resistor which is proportional to output current of each channel. Extended diagnostic features in OFF state are also available and controlled by dedicated input and output pins. Features • Adjustable Outputs: 3.