Datasheet > FN4496

FN4496

更新时间： 2024-09-27 22:32:03

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
14页	314K
描述
Advanced PWM and Dual Linear Power Control

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FN4496 数据手册

HIP6017

Data Sheet

April 1999

FN4496.1

Advanced PWM and Dual Linear Power

Control

Features

• Provides 3 Regulated Voltages

The HIP6017 provides the power control and protection for

three output voltages in high-performance microprocessor

and computer applications. The IC integrates a PWM

controller, a linear regulator and a linear controller as well as

the monitoring and protection functions into a single 28 lead

SOIC package. The PWM controller regulates the

microprocessor core voltage with a synchronous-rectified

buck converter. The linear controller regulates power for the

GTL bus and the linear regulator provides power for the

clock driver circuits.

- Microprocessor Core, Clock and GTL Power

• Drives N-Channel MOSFETs

• Operates from +3.3V, +5V and +12V Inputs

• Simple Single-Loop PWM Control Design

- Voltage-Mode Control

• Fast Transient Response

- High-Bandwidth Error Amplifier

- Full 0% to 100% Duty Ratios

The HIP6017 includes an Intel-compatible, TTL 5-input

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

• Excellent Output Voltage Regulation

- Core PWM Output: ±1% Over Temperature

- Other Outputs: ±2.5% Over Temperature

output voltage from 2.1V

to 3.5V

in 0.1V increments

in 0.05V steps. The precision

to 2.05V

and from 1.8V

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

Voltage Selection

reference and voltage-mode control provide ±1% static

regulation. The linear regulator uses an internal pass device

to provide 2.5V ±2.5%. The linear controller drives an

external N-Channel MOSFET to provide 1.5V ±2.5%.

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

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

to 3.5V

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

to 2.05V

The HIP6017 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 over-

current function monitors the output current by using the

• Power-Good Output Voltage Monitor

• Microprocessor Core Voltage Protection Against Shorted

MOSFET

• Over-Voltage and Over-Current Fault Monitors

- Does Not Require Extra Current Sensing Element,

Uses MOSFET’s r

DS(ON)

voltage drop across the upper MOSFET’s r

, thus

DS(ON)

• Small Converter Size

eliminating the need for a current sensing resistor.

- Constant Frequency Operation

Pinout

- 200kHz Free-Running Oscillator; Programmable from

50kHz to over 1MHz

HIP6017 (SOIC)

TOP VIEW

Applications

28 VCC

•

Full Motherboard Power Regulation for Computers

Low-Voltage Distributed Power Supplies

27 UGATE1

26 PHASE1

25 LGATE1

24 PGND

23 OCSET1

22 VSEN1

21 FB1

VID4

VID3

Ordering Information

VID2

TEMP. RANGE

VID1

PART NUMBER

HIP6017CB

( C)

0 to 70

PACKAGE

PKG. NO.

VID0

28 Ld SOIC

M28.3

PGOOD

GND2

20 COMP1

19 FB3

HIP6017EVAL1

Evaluation Board

V33 10

NC 11

18 GATE3

17 GND

SS 12

16 VOUT2

15 VIN2

FAULT/RT 13

FB2 14

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 Americas Inc.

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