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HIP6004D Datasheet(PDF) 1 Page - Intersil Corporation |
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HIP6004D Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 11 page 1 TM File Number 4855 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil and Design is a trademark of Intersil Corporation. | Copyright © Intersil Corporation 2000 K7™ is a trademark of Advanced Micro Devices, Inc. HIP6004D Buck and Synchronous-Rectifier (PWM) Controller and Output Voltage Monitor The HIP6004D provides complete control and protection for a DC-DC converter optimized for high-performance microprocessor applications. It is designed to drive two N-Channel MOSFETs in a synchronous-rectified buck topology. The HIP6004D integrates all of the control, output adjustment, monitoring and protection functions into a single package. The output voltage of the converter is easily adjusted and precisely regulated. The HIP6004D includes a fully TTL- compatible 5-input digital-to-analog converter (DAC) that adjusts the output voltage from 1.1VDC to 1.85VDC in 25mV increments steps. The precision reference and voltage-mode regulator hold the selected output voltage to within ±1% over temperature and line voltage variations. The HIP6004D provides simple, single feedback loop, voltage-mode control with fast transient response. It includes a 200kHz free-running triangle-wave oscillator that is adjustable from below 50kHz to over 1MHz. The error amplifier features a 15MHz gain-bandwidth product and 6V/ µs slew rate which enables high converter bandwidth for fast transient performance. The resulting PWM duty ratio ranges from 0% to 100%. The HIP6004D monitors the output voltage with a window comparator that tracks the DAC output and issues a Power Good signal when the output is within ±10%. The HIP6004D protects against over-current and overvoltage conditions by inhibiting PWM operation. Additional built-in overvoltage protection triggers an external SCR to crowbar the input supply. The HIP6004D monitors the current by using the rDS(ON) of the upper MOSFET which eliminates the need for a current sensing resistor. Features • Drives Two N-Channel MOSFETs • Operates from +5V or +12V Input • Simple Single-Loop Control Design - Voltage-Mode PWM Control • Fast Transient Response - High-Bandwidth Error Amplifier - Full 0% to 100% Duty Ratio • Excellent Output Voltage Regulation - ±1% Over Line Voltage and Temperature • TTL-Compatible 5-Bit Digital-to-Analog Output Voltage Selection - 25mV Binary Steps . . . . . . . . . 1.100VDC to 1.850VDC • Power-Good Output Voltage Monitor • 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 • Power Supply for K7™, and Other Microprocessors • High-Power DC-DC Regulators • Low-Voltage Distributed Power Supplies Pinout HIP6004D (SOIC) TOP VIEW Ordering Information PART NUMBER TEMP. RANGE (oC) PACKAGE PKG. NO. HIP6004DCB 0 to 70 20 Ld SOIC M20.3 NOTE: When ordering, use the entire part number. Add the suffix T to obtain the part in tape and reel, e.g., HIP6004DCB-T. 11 12 13 14 15 16 17 18 20 19 10 9 8 7 6 5 4 3 2 1 VSEN OCSET SS VID0 VID1 VID2 VID4 VID3 COMP FB RT VCC LGATE PGND OVP BOOT UGATE PHASE PGOOD GND Data Sheet April 2000 |
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