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LM2638 Datasheet - National Semiconductor

LM2638 Motherboard Power-Supply Solution

The LM2638 provides a comprehensive embedded power supply solution for motherboards hosting high performance MPUs such as Pentium™ II, M II™, K6™-2 and other similar high performance MPUs. The LM2638 incorporates a 5-bit programmable, synchronous buck switching controller and two high-speed linear r.

LM2638 Features

* n Provides 3 regulated voltages n Power Good flag and output enable n Charge pump pin Switching Section n Synchronous rectification n 5-bit DAC programmable down to 1.3V n Typical ± 1% DAC tolerance n Switching frequency: 50 kHz to 1 MHz n Over-voltage protection n Two methods of over-current protec

LM2638 Datasheet (165.42 KB)

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Datasheet Details

Part number:

LM2638

Manufacturer:

National Semiconductor

File Size:

165.42 KB

Description:

Motherboard power-supply solution.

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TAGS

LM2638 Motherboard Power-Supply Solution National Semiconductor

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