MAX1939 Two-Phase Desktop CPU Core Supply Controllers

Maxim

Description

19-2498; Rev 1; 10/02 Two-Phase Desktop CPU Core Supply Controllers with Controlled VID Change General .
The MAX1937/MAX1938/MAX1939 comprise a family of synchronous, two-phase, step-down controllers capable of delivering load currents up to 60A.

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Datasheet Specifications

Part number: MAX1939
Manufacturer: Maxim
File Size: 360.16 KB
Datasheet: MAX1939_MaximIntegratedProducts.pdf
Description: Two-Phase Desktop CPU Core Supply Controllers

Features

* ±0.75% Output Voltage Accuracy Instant Load-Transient Response Up to 90% Efficiency Eliminates Heatsinks Up to 60A Output Current 8V to 24V Input Range User-Programmable Voltage Positioning Controlled VID Voltage Transition 500kHz Effective Switching Frequency MAX1937: AMD Hammer Compatible MAX1938:

Applications

* Notebook and Desktop Computers Servers and Workstations Blade Servers High-End Switches High-End Routers Macro Base Stations TOP VIEW VID0 1 VID1 2 TIME 3 VID2 4 VID3 5 VID4 6 VPOS 7 VDD 8 ILIM 9 28 VCC 27 BST1 26 DH1 25 LX1 24 CS1 Pin Configuration MAX1937 MAX1938 MAX1939 23 DL1 22 VLG 21 PGND 2

MAX1939 Distributors

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MAX1939 Two-Phase Desktop CPU Core Supply Controllers Maxim

Maxim MAX1939-like datasheet