Details, datasheet, quote on part number: HIP6019BEVAL1
PartHIP6019BEVAL1
CategoryPower Management => PWM Controllers => Others
DescriptionAdvanced Dual PWM And Dual Linear Power Control
CompanyIntersil Corporation
DatasheetDownload HIP6019BEVAL1 datasheet
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Features, Applications

Advanced Dual PWM and Dual Linear Power Control

The HIP6019B provides the power control and protection for four output voltages in high-performance microprocessor and computer applications. The IC integrates two PWM controllers, a linear regulator and a linear controller as well as the monitoring and protection functions into a single 28 lead SOIC package. One PWM controller regulates the microprocessor core voltage with a synchronous-rectified buck converter, while the second PWM controller supplies the computer's 3.3V power with a standard buck converter. The linear controller regulates power for the GTL bus and the linear regulator provides power for the clock driver circuits. The HIP6019B includes an Intel-compatible, TTL 5-input digital-to-analog converter (DAC) that adjusts the core PWM output voltage from in 0.1V increments and from in 0.05V steps. The precision reference and voltage-mode control provide 1% static regulation. The second PWM controller is user-adjustable for output levels between 3.0V and 3.5V with 2% accuracy. The adjustable linear regulator uses an internal pass device to provide 2.5V 2.5%. The adjustable linear controller drives an external N-Channel MOSFET to provide 1.5V 2.5%. The HIP6019B monitors all the output voltages. A single Power Good signal is issued when the core is within 10% of the DAC setting and the other levels are above their undervoltage levels. Additional built-in over-voltage protection for the core output uses the lower MOSFET to prevent output voltages above 115% of the DAC setting. The PWM controller's over-current functions monitor the output current by sensing the voltage drop across the upper MOSFET's rDS(ON), eliminating the need for a current sensing resistor.

Features

Provides 4 Regulated Voltages - Microprocessor Core, I/O, Clock Chip and GTL Bus Drives N-Channel MOSFETs Operates from +5V and +12V Inputs Simple Single-Loop Control Designs - Voltage-Mode PWM Control Fast Transient Response - High-Bandwidth Error Amplifiers - Full to 100% Duty Ratios Excellent Output Voltage Regulation - Core PWM Output: 1% Over Temperature - I/O PWM Output: 2% Over Temperature - Other Outputs: 2.5% Over Temperature TTL-Compatible 5-Bit Digital-to-Analog Core Output Voltage Selection - Wide Range. - 0.1V Steps. - 0.05V Steps. to 2.05VDC Power-Good Output Voltage Monitor Microprocessor Core Voltage Protection Against Shorted MOSFET Over-Voltage and Over-Current Fault Monitors - Does Not Require Extra Current Sensing Element, Uses MOSFET's rDS(ON) Small Converter Size - Constant Frequency Operation - 200kHz Free-Running Oscillator; Programmable from to 1MHz

Applications
Full Motherboard Power Regulation for Computers Low-Voltage Distributed Power Supplies
PART NUMBER HIP6019BCB TEMP. (oC) to 70 PACKAGE 28 Ld SOIC PKG. NO. M28.3

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 321-724-7143 | Intersil (and design) is a trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2002. All Rights Reserved




 

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