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MB3828 Datasheet PDF - Fujitsu

Part NameDescriptionManufacturer
MB3828 Pentium® DC/DC Converter IC Fujitsu
Fujitsu Fujitsu
Other PDF  no available.
MB3828 Datasheet PDF : MB3828 pdf   
MB3828 image

■ 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.

■ 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 µA TYP
• On-chip PWRGOOD circuit for output voltage state detection
• Timer-latch short-circuit protection circuit, and overvoltage protection circuit for output protection

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