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ISL9123 - Ultra-Low IQ Buck Regulator

General Description

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Key Features

  • an extremely low quiescent current consumption of 950nA in Regulation mode, 140nA in Forced Bypass mode (ISL9123/A), and 7nA in Shutdown mode. It supports input voltages from 1.8V to 5.5V. The ISL9123/A device has automatic bypass functionality for situations in which the input voltage is close to or below the output voltage. In addition to the automatic bypass functionality, the Forced Bypass power saving mode can be chosen if voltage regulation is not required. Forced Bypass power saving mode.

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Datasheet Details

Part number ISL9123
Manufacturer Renesas
File Size 1.57 MB
Description Ultra-Low IQ Buck Regulator
Datasheet download datasheet ISL9123 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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ISL9123, ISL9123A, ISL9123B Ultra-Low IQ Buck Regulator with Bypass Datasheet The ISL9123, ISL9123A, and ISL9123B are highly integrated buck switching regulators capable of supplying output voltage down to 0.4V. The device features an extremely low quiescent current consumption of 950nA in Regulation mode, 140nA in Forced Bypass mode (ISL9123/A), and 7nA in Shutdown mode. It supports input voltages from 1.8V to 5.5V. The ISL9123/A device has automatic bypass functionality for situations in which the input voltage is close to or below the output voltage. In addition to the automatic bypass functionality, the Forced Bypass power saving mode can be chosen if voltage regulation is not required. Forced Bypass power saving mode is accessible using the I2C interface bus.