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HIP6004DCRZ Datasheet(PDF) 1 Page - Renesas Technology Corp |
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HIP6004DCRZ Datasheet(HTML) 1 Page - Renesas Technology Corp |
1 / 14 page FN4855 Rev 3.00 Page 1 of 14 July 13, 2005 FN4855 Rev 3.00 July 13, 2005 HIP6004D Buck and Synchronous-Rectifier (PWM) Controller and Output Voltage Monitor DATASHEET 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/ s 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 • QFN Package: - Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat No Leads - Package Outline - Near Chip Scale Package footprint, which improves PCB efficiency and has a thinner profile • Pb-Free plus anneal available (RoHS compliant) Applications • Power Supply for K7™, and Other Microprocessors • High-Power DC-DC Regulators • Low-Voltage Distributed Power Supplies Ordering Information PART NUMBER TEMP. RANGE (oC) PACKAGE PKG. DWG. # HIP6004DCB 0 to 70 20 Ld SOIC M20.3 HIP6004DCBZ (See Note) 0 to 70 20 Ld SOIC (Pb-free) M20.3 HIP6004DCR 0 to 70 20 Ld 5x5 QFN L20.5x5 HIP6004DCRZ (See Note) 0 to 70 20 Ld 5x5 QFN (Pb-free) L20.5x5 Add “-T” suffix for tape and reel. NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. NOT RECOMMENDED FOR NEW DESIGNS NO RECOMMENDED REPLACEMENT contact our Technical Support Center at 1-888-INTERSIL or www.intersil.com/tsc |
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