hip6019cb Intersil Corporation, hip6019cb Datasheet

hip6019cb

Manufacturer Part Number

hip6019cb

Description

Advanced Dual Pwm And Dual Linear Power Control

Manufacturer

Intersil Corporation

Datasheet

1.HIP6019CB.pdf (15 pages)

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Download datasheet (194Kb)

Advanced Dual PWM and Dual Linear

Power Control

The HIP6019 provides the power control and protection for four

output voltages in high-performance microprocessor and

computer applications. The IC integrates two PWM controllers,

a linear regulator and a linear controller as well as the

monitoring and protection functions into a single 28 lead SOIC

package. One PWM controller regulates the microprocessor

core voltage with a synchronous-rectified buck converter, while

the second PWM controller supplies the computer’s 3.3V power

with a standard buck converter. The linear controller regulates

power for the GTL bus and the linear regulator provides power

for the clock driver circuits.

The HIP6019 includes an Intel-compatible, TTL 5-input digital-

to-analog converter (DAC) that adjusts the core PWM output

voltage from 2.1V

1.8V

and voltage-mode control provide 1% static regulation. The

second PWM controller is user-adjustable for output levels

between 3.0V and 3.5V with 2% accuracy. The adjustable

linear regulator uses an internal pass device to provide 2.5V

Channel MOSFET to provide 1.5V 2.5%.

The HIP6019 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 controller’s over-

current functions monitor the output current by sensing the

voltage drop across the upper MOSFET’s r

the need for a current sensing resistor.

Pinout

2.5%. The adjustable linear controller drives an external N-

to 2.05V

FAULT/RT

PHASE2

OCSET2

UGATE2

PGOOD

COMP2

VID4

VID3

VID2

VID1

VID0

FB2

FB4

in 0.05V steps. The precision reference

to 3.5V

HIP6019 (SOIC)

TOP VIEW

2-252

in 0.1V increments and from

Data Sheet

DS(ON)

UGATE1

PHASE1

LGATE1

PGND

OCSET1

VSEN1

FB1

COMP1

FB3

GATE3

GND

VOUT4

VSEN2

, eliminating

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

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

Features

• Provides 4 Regulated Voltages

• Drives N-Channel MOSFETs

• Operates from +5V and +12V Inputs

• Simple Single-Loop Control Designs

• Fast Transient Response

• Excellent Output Voltage Regulation

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

• Power-Good Output Voltage Monitor

• Microprocessor Core Voltage Protection Against Shorted

• Over-Voltage and Over-Current Fault Monitors

• Small Converter Size

Applications

• Full Motherboard Power Regulation for Computers

• Low-Voltage Distributed Power Supplies

Ordering Information

HIP6019CB

HIP6019EVAL1

PART NUMBER

- Microprocessor Core, I/O, Clock Chip and GTL Bus

- Voltage-Mode PWM Control

- High-Bandwidth Error Ampliﬁers

- Full 0% to 100% Duty Ratios

- Core PWM Output: 1% Over Temperature

- I/O PWM Output: 2% Over Temperature

- Other Outputs: 2.5% Over Temperature

Voltage Selection

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

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

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

MOSFET

- Does Not Require Extra Current Sensing Element,

- Constant Frequency Operation

- 200kHz Free-Running Oscillator; Programmable from

Uses MOSFET’s r

50kHz to 1MHz

April 1998

Evaluation Board

TEMP. (

DS(ON)

0 to 70

File Number 4490.2

28 Ld SOIC

PACKAGE

Intersil Corporation 1999

HIP6019

M28.3

to 2.05V

PKG. NO.

to 3.5V

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