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MB3888 - DC/DC Converter

General Description

The MB3888 is a DC/DC converter IC suitable for down-conversion, using pulse-width (PWM) charging and enabling output voltage to be set to any desired level from one cell to four cells.

Key Features

  • Output voltage setting using external resistor : 1 cell to 4 cells High efficiency : 96% (VIN = 19 V, Vo = 16.8 V) Wide range of operating supply voltages : 8 V to 25 V Output voltage setting accuracy : 5 V ± 0.74% (Ta =.
  • 10 °C to 85 °C) Charging current accuracy : ±5% (Continued) s.

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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 DS04-27710-2E ASSP For Power Supply Applications (Secondary battery) DC/DC Converter IC for Charging Li-ion Battery MB3888 s DESCRIPTION The MB3888 is a DC/DC converter IC suitable for down-conversion, using pulse-width (PWM) charging and enabling output voltage to be set to any desired level from one cell to four cells. The MB3888 provides a broad power supply voltage range and low standby current as well as high efficiency, making it ideal for use as a built-in charging device in products such as notebook PC. This product is covered by US Patent Number 6,147,477. s FEATURES • • • • • Output voltage setting using external resistor : 1 cell to 4 cells High efficiency : 96% (VIN = 19 V, Vo = 16.