Datasheet > HIP6034CB

HIP6034CB

更新时间： 2024-11-22 23:55:51

品牌	Logo	应用领域
其他 - ETC		模拟IC
页数	文件大小	规格书
14页	222K
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Analog IC

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HIP6034CB 数据手册

HIP6304

Data Sheet

March 2000

File Number 4840

Microprocessor CORE Voltage Regulator

Multi-Phase Buck PWM Controller

Features

• AMD Athlon Compatible Multi-Phase Power Conversion

• Precision Channel Current Sharing

The HIP6304 multi-phase PWM control IC together with its

companion gate drivers, the HIP6601, HIP6602 or HIP6603

and Intersil MOSFETs provides a precision voltage

regulation system for advanced microprocessors.

Multiphase power conversion is a marked departure from

earlier single phase converter conﬁgurations previously

employed to satisfy the ever increasing current demands of

modern microprocessors. Multi-phase convertors, by

distributing the power and load current results in smaller and

lower cost transistors with fewer input and output capacitors.

These reductions accrue from the higher effective

conversion frequency with higher frequency ripple current

due to the phase interleaving process of this topology. For

example, a two phase convertor operating at 350kHz will

have a ripple frequency of 700kHz. Moreover, greater

convertor bandwidth of this design results in faster response

to load transients.

- Loss Less Current Sampling - Uses r

DS(ON)

• Precision CORE Voltage Regulation

- ±1% System Accuracy Over Temperature

• Microprocessor Voltage Identiﬁcation Input

- 4-Bit VID Input

- 1.30V to 2.05V in 50mV Steps

- Programmable “Droop” Voltage

• Fast Transient Recovery Time

• Over Current Protection

• High Ripple Frequency, (Channel Frequency) Times

Number Channels . . . . . . . . . . . . . . . . . 100kHz to 3MHz

Ordering Information

Outstanding features of this controller IC include

PART NUMBER

TEMP. ( C)

PACKAGE

PKG. NO.

programmable VID codes from the microprocessor that

range from 1.30V to 2.05V with a system accuracy of ±1%.

Pull up currents on these VID pins eliminates the need for

external pull up resistors. In addition “droop” compensation,

used to reduce the overshoot or undershoot of the CORE

voltage, is easily programmed with a single resistor.

HIP6304CB

0 to 70

16 Ld SOIC

M16.15

HIP6304CB-T

HIP6304EVAL1

16 Ld SOIC Tape and Reel

Evaluation Platform

Pinout

Another feature of this controller IC is the PGOOD monitor

circuit which is held low until the CORE voltage increases,

during its Soft-Start sequence, to within 10% of the

programmed voltage. Over-voltage, 15% above programmed

CORE voltage, results in the converter shutting down and

turning the lower MOSFETs ON to clamp and protect the

microprocessor. Under voltage is also detected and results

in PGOOD low if the CORE voltage falls 10% below the

programmed level. Over-current protection reduces the

regulator current to less than 25% of the programmed trip

value. These features provide monitoring and protection for

the microprocessor and power system.

HIP6304 (SOIC)

TOP VIEW

VID3

16 V

15 PGOOD

VID2

VID1

VID0

ISEN1

13 PWM1

12 PWM2

11 ISEN2

10 VSEN

COMP

FS/DIS

GND

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

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

12 3 4 5 6 7...14

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