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HIP6019 Datasheet Adjustable Ldo And 200ma On-board Ldo

Manufacturer: International Rectifier (now Infineon)

Overview: Data Sheet No. PD94142 IRU3007 5-BIT PROGRAMMABLE SYNCHRONOUS BUCK, NON-SYNCHRONOUS, ADJUSTABLE LDO AND 200mA ON-BOARD.

General Description

Provides Single Chip Solution for Vcore, GTL+, Clock Supply & 3.3V Switcher On-Board Second switcher provides simple control for the on-board 3.3V supply 200mA On-Board LDO Regulator Designed to meet Intel VRM 8.2 and 8.3 specification for Pentium II™ On-Board DAC programs the output voltage from 1.3V to 3.5V Linear Regulator Controller On-Board for 1.5V GTL+ supply Loss-less Short Circuit Protection Synchronous Operation allows maximum efficiency Patented architecture allows fixed frequency operation as well as 100% duty cycle during dynamic load Minimum Part Count Soft-Start High current totem pole drivers for directly driving the external Power MOSFETs Power Good function monitors all outputs Over-Voltage Protection circuitry protects the switcher outputs and generates a fault output Thermal Shutdown The IRU3007 controller IC is specifically designed to meet Intel specification for Pentium II™ microprocessor applications as well as the next generation of P6 family processors.

The IRU3007 provides a single chip controller IC for the Vcore, LDO controller for GTL+ and an internal 200mA regulator for clock supply which are required for the Pentium II applications.

It also contains a switching controller to convert 5V to 3.3V regulator for on-board applications that uses either AT type power supply or is desired not to rely on the ATX power supply’s 3.3V output.

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