• Part: LM2638
  • Description: Motherboard Power Supply Solution
  • Manufacturer: Texas Instruments
  • Size: 343.59 KB
LM2638 Datasheet (PDF) Download
Texas Instruments
LM2638

Description

The LM2638 provides a prehensive embedded power supply solution for motherboards hosting high performance MPUs such as Pentium™ II, M II™, K6™-2 and other similar high performance MPUs.

Key Features

  • 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 to 1 MHz
  • Over-voltage protection
  • Two methods of over-current protection
  • Adaptive non-overlapping FET gate drives