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MB3842 - Power Management 2-ch Switch

General Description

The MB3842/3845 is a power management switch with built-in 2-channel low-on resistance (typ.

100mΩ) switch.

Key Features

  • low input voltage (VIN > 2.5V) operation and stable low-on resistance independent of input voltage. The switching current limit can be set from 100mA to 600mA by using external resistance, and when overcurrent conditions are detected the OC output goes low to provide an external notification signal. VIN is divided between the two channels, which operate independently of each other. In addition, an off-state reverse current prevention function is provided to ensure accurate on/off switching actio.

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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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FUJITSU SEMICONDUCTOR DATA SHEET DS04-27604-2E ASSP For Power Supply Applications Power Management 2-ch Switch IC MB3842/MB3845 s DESCRIPTION The MB3842/3845 is a power management switch with built-in 2-channel low-on resistance (typ. 100mΩ) switch. Output control is by means of a control signal, and the MB3842 is designed for high-active operation (output on when EN is Hi), while the MB3845 is designed for low-active operation (output on when EN is low.) To provide adaptability to a variety of operations, the MB3842/3845 features low input voltage (VIN > 2.5V) operation and stable low-on resistance independent of input voltage.