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HIP6017BCB Datasheet(PDF) 1 Page - Intersil Corporation |
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HIP6017BCB Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 16 page 1 File Number 4585 PRELIMINARY HIP6017B Advanced PWM and Dual Linear Power Control The HIP6017B provides the power control and protection for three output voltages in high-performance microprocessor and computer applications. The IC integrates a PWM controller, a linear regulator and a linear controller as well as the monitoring and protection functions into a single 28 lead SOIC package. The PWM controller regulates the microprocessor core voltage with a synchronous-rectified buck converter. The linear controller regulates power for the GTL bus and the linear regulator provides power for the clock driver circuits. The HIP6017B includes an Intel-compatible, TTL 5-input digital-to-analog converter (DAC) that adjusts the core PWM output voltage from 2.1VDC to 3.5VDC in 0.1V increments and from 1.3VDC to 2.05VDC in 0.05V steps. The precision reference and voltage-mode control provide ±1% static regulation. The linear regulator uses an internal pass device to provide 2.5V ±2.5%. The linear controller drives an external N-Channel MOSFET to provide 1.5V ±2.5%. The HIP6017B 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 under- voltage 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 over- current function monitors the output current by using the voltage drop across the upper MOSFET’s rDS(ON), eliminating the need for a current sensing resistor. Pinout HIP6017B (SOIC) TOP VIEW Features • Provides 3 Regulated Voltages - Microprocessor Core, Clock and GTL Power • Linear Controller Drives Either N-Channel MOSFETs or Bipolar Transistors • Operates from +3.3V, +5V and +12V Inputs • Simple Single-Loop PWM Control Design - Voltage-Mode Control • Fast Transient Response - High-Bandwidth Error Amplifier - Full 0% to 100% Duty Ratios • Excellent Output Voltage Regulation - Core PWM Output: ±1% Over Temperature - Other Outputs: ±2.5% Over Temperature • TTL-Compatible 5-Bit Digital-to-Analog Core Output Voltage Selection - Wide Range - 1.3VDC to 3.5VDC - 0.1V Steps from 2.1VDC to 3.5VDC - 0.05V Steps from 1.3VDC 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 50kHz to over 1MHz Applications • Full Motherboard Power Regulation for Computers • Low-Voltage Distributed Power Supplies NC NC VID4 VID3 V33 NC SS FAULT/RT FB2 VCC PGND LGATE1 PHASE1 DRIVE3 COMP1 GND VOUT2 VIN2 UGATE1 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 PGOOD VID2 GND2 VSEN1 FB3 VID1 VID0 OCSET1 FB1 Ordering Information PART NUMBER TEMP. RANGE (oC) PACKAGE PKG. NO. HIP6017BCB 0 to 70 28 Ld SOIC M28.3 Data Sheet March 1999 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999 |
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