LM2638 Datasheet

The LM2638 is a Motherboard Power-Supply Solution.

Datasheet4U Logo
Part NumberLM2638
ManufacturerNational Semiconductor
Overview 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 . 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.
Part NumberLM2638
DescriptionMotherboard Power Supply Solution
ManufacturerTexas Instruments
Overview 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 . 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 to 1 MHz
* Over-voltage protection
* Two methods of over-current.