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LM2638 Motherboard Power Supply Solution

LM2638 Description

OBSOLETE LM2638 www.ti.com SNVS046A * MAY 2004 * REVISED NOVEMBER 2004 LM2638 Motherboard Power Supply Solution with a 5-Bit Progr.
The LM2638 provides a comprehensive embedded power supply solution for motherboards hosting high performance MPUs such as Pentium™ II, M II™, K6™-2 an.

LM2638 Features

* 1
* 2345 Provides 3 regulated voltages
* Power Good flag and output enable
* Charge pump pin
* Switching Section
* Synchronous rectification
* 5-bit DAC programmable down to 1.3V
* Typical ±1% DAC tolerance
* Switching frequency: 50 kHz

LM2638 Applications

* Embedded power supplies for motherboards
* Triple DC/DC power supplies

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Texas Instruments LM2638-like datasheet