HIP6004ACB INTERSIL [Intersil Corporation], HIP6004ACB Datasheet

HIP6004ACB

Manufacturer Part Number

HIP6004ACB

Description

Buck and Synchronous-Rectifier (PWM) Controller and Output Voltage Monitor

Manufacturer

INTERSIL [Intersil Corporation]

Datasheets

1.HIP6004ACB.pdf (12 pages)

2.HIP6004ACB.pdf (12 pages)

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Download datasheet (160Kb)

Buck and Synchronous-Rectiﬁer (PWM)

Controller and Output Voltage Monitor

The HIP6004A 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 HIP6004A 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 HIP6004A includes a fully TTL-

compatible 5-input digital-to-analog converter (DAC) that

adjusts the output voltage from 2.1VDC to 3.5VDC in 0.1V

increments and from 1.8VDC to 2.05VDC 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 HIP6004A 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/ms slew rate which enables high converter bandwidth for

fast transient performance. The resulting PWM duty ratio

ranges from 0% to 100%.

The HIP6004A 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 HIP6004A

protects against over-current and over-voltage conditions by

inhibiting PWM operation. Additional built-in over-voltage

protection triggers an external SCR to crowbar the input

supply. The HIP6004A monitors the current by using the

a current sensing resistor.

Ordering Information

HIP6004ACB

DS(ON)

PART NUMBER

Alpha Micro™ is a trademark of Digital Computer Equipment Corporation.

of the upper MOSFET which eliminates the need for

Pentium® is a registered trademark of Intel Corporation.

K6™ is a trademark of Advanced Micro Devices, Inc.

RANGE (

TEMP.

0 to 70

6X86™ is a trademark of Cyrix Corporation.

2-62

20 Ld SOIC

PowerPC™ is a trademark of IBM.

Data Sheet

PACKAGE

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

M20.3

PKG.

NO.

http://www.intersil.com or 407-727-9207

Features

• Drives Two N-Channel MOSFETs

• Operates from +5V or +12V Input

• Simple Single-Loop Control Design

• Fast Transient Response

• Excellent Output Voltage Regulation

• TTL-Compatible 5-Bit Digital-to-Analog Output Voltage

• Power-Good Output Voltage Monitor

• Over-Voltage and Over-Current Fault Monitors

• Small Converter Size

Applications

• Power Supply for Pentium®, Pentium Pro, Pentium II,

• High-Power 5V to 3.xV DC-DC Regulators

• Low-Voltage Distributed Power Supplies

Pinout

- Voltage-Mode PWM Control

- High-Bandwidth Error Ampliﬁer

- Full 0% to 100% Duty Ratio

Selection

- Wide Range . . . . . . . . . . . . . . . . . . . 1.8V

- 0.1V Binary Steps . . . . . . . . . . . . . . . 2.1V

- 0.05V Binary Steps . . . . . . . . . . . . . 1.8V

- Does Not Require Extra Current Sensing Element,

- Constant Frequency Operation

- 200kHz Free-Running Oscillator Programmable from

PowerPC™, K6™, 6X86™ and Alpha™ Microprocessors

Uses MOSFET’s r

50kHz to over 1MHz

1% Over Line Voltage and Temperature

October 1997

OCSET

COMP

VID0

VID1

VID2

VID3

VID4

SEN

DS(ON)

TOP VIEW

HIP6004A

(SOIC)

File Number 4417.1

HIP6004A

OVP

LGATE

PGND

BOOT

UGATE

PHASE

PGOOD

GND

Intersil Corporation 1999

to 2.05V

to 3.5V

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