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MB3828

Fujitsu Media Devices
Part Number MB3828
Manufacturer Fujitsu Media Devices
Description Pentium DC/DC Converter
Published Sep 11, 2005
Detailed Description FUJITSU SEMICONDUCTOR DATA SHEET DS04-27217-5E ASSP For Power Supply Applications Pentium® DC/DC Converter IC MB3828...
Datasheet PDF File MB3828 PDF File

MB3828
MB3828

Overview
FUJITSU SEMICONDUCTOR DATA SHEET DS04-27217-5E ASSP For Power Supply Applications Pentium® DC/DC Converter IC MB3828 s DESCRIPTION The FUJITSU MB3828 is a pulse width modulation (PWM) DC/DC converter IC chip that provides a selection of 1.
3 V to 3.
5 V output voltages for Pentium®* CPU’s, using a 5-bit input signal information.
The MB3828 utilizes synchronous rectification for high efficiency and features a soft-start/discharge control function for ease in designing power supplies in multi-supply systems, making it ideal for Pentium® power supply systems.
* : Pentium is the registered trademark of Intel Corporation.
s FEATURES • • • • • • • • Highly efficient for using synchronous rectification scheme On-chip soft-start/discharge control circuit High precision output voltage: ±1.
2% 5-bit, 32-step DAC: 3.
5 V to 2.
1 V in 100 mV steps 2.
05 V to 1.
3 V in 50 mV steps Frequency range: 100 kHz to 500 kHz using variable resistance (on-chip frequency setting capacitance) Standby current: 0 ...


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