Details, datasheet, quote on part number: HIP6005
PartHIP6005
CategoryPower Management => Regulators => Switching Regulators
DescriptionBuck Pulse-width Modulator
CompanyIntersil Corporation
DatasheetDownload HIP6005 datasheet
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Features, Applications

Buck Pulse-Width Modulator (PWM) Controller and Output Voltage Monitor

The HIP6005 provides complete control and protection for a DC-DC converter optimized for high-performance microprocessor applications. It is designed to drive an N-Channel MOSFET in a standard buck topology. The HIP6005 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 HIP6005 includes a 5-input digitalto-analog converter (DAC) that adjusts the output voltage from in 0.1V increments and from in 0.05V steps. The precision reference and voltage-mode regulator hold the selected output voltage to within ±1% over temperature and line voltage variations. The HIP6005 provides simple, single feedback loop, voltagemode 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 to 100%. The HIP6005 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 HIP6005 protects against over-current conditions by inhibiting PWM operation. Built-in over-voltage protection triggers an external SCR to crowbar the input supply. The HIP6005 monitors the current by using the rDS(ON) of the upper MOSFET which eliminates the need for a current sensing resistor.

Features

Drives N-Channel MOSFET Operates from or +12V Input Simple Single-Loop Control Design - Voltage-Mode PWM Control Fast Transient Response - High-Bandwidth Error Amplifier - Full to 100% Duty Ratio Excellent Output Voltage Regulation - ±1% Over Line Voltage and Temperature 5-Bit Digital-to-Analog Output Voltage Selection - Wide Range. - 0.1V Binary Steps. - 0.05V Binary Steps. to 2.1VDC Power-Good Output Voltage Monitor Over-Voltage and Over-Current Fault Monitors - Does Not Require Extra Current Sensing Element, Uses MOSFETs rDS(ON) Small Converter Size - Constant Frequency Operation - 200kHz Free-Running Oscillator Programmable from 50kHz to over 1MHz

Applications

Power Supply for Pentium®, Pentium Pro, PowerPCTM and AlphaTM Microprocessors High-Power to 3.xV DC-DC Regulators Low-Voltage Distributed Power Supplies.

PART NUMBER HIP6005CB TEMP. RANGE (oC) to 70 PACKAGE 20 Ld SOIC PKG. NO. M20.3
VSEN OCSET VID3 VID4 COMP RT 19 OVP 18 VCC NC 15 BOOT 14 UGATE 13 PHASE 12 PGOOD 11 GND

AlphaTM is a trademark of Digital Equipment Corporation. Pentium® is a registered trademark of Intel Corporation. PowerPCTM is a trademark of IBM.

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 321-724-7143 | Copyright © Intersil Corporation 2000

+12V VCC PGOOD SS OVP VID4 FB OSC UGATE D/A MONITOR AND PROTECTION BOOT OCSET VIN OR +12V

Supply Voltage, VCC. +15V Boot Voltage, VBOOT - VPHASE. +15V Input, Output or I/O Voltage.GND -0.3V to VCC +0.3V ESD Classification. Class 2

Thermal Resistance (Typical, Note 1) JA (oC/W) SOIC Package. 118 Maximum Junction Temperature (Plastic Package).150oC Maximum Storage Temperature Range. to 150oC Maximum Lead Temperature (Soldering 10s).300oC (SOIC - Lead Tips Only)

Supply Voltage, VCC. +12V ±10% Ambient Temperature Range. to 70oC Junction Temperature Range. to 125oC

CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

NOTE: JA is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief 379 for details.

PARAMETER VCC SUPPLY CURRENT Nominal Supply POWER-ON RESET Rising VCC Threshold Falling VCC Threshold Rising VOCSET Threshold OSCILLATOR Free Running Frequency Total Variation Ramp Amplitude REFERENCE AND DAC DACOUT Voltage Accuracy ERROR AMPLIFIER DC Gain Gain-Bandwidth Product Slew Rate GATE DRIVER Upper Gate Source Upper Gate Sink PROTECTION

Recommended Operating Conditions, Unless Otherwise Noted SYMBOL TEST CONDITIONS MIN TYP MAX UNITS

Over-Voltage Trip (VSEN/DACOUT) OCSET Current Source OVP Sourcing Current Soft Start Current POWER GOOD Upper Threshold (VSEN / DACOUT) Lower Threshold (VSEN / DACOUT) Hysteresis (VSEN / DACOUT) PGOOD Voltage Low VPGOOD VSEN Rising VSEN Falling Upper and Lower Threshold IPGOOD = -5mA IOCSET IOVP ISS VOCSET = 4.5V VSEN = 5.5V; VOVP = 0V


 

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