HIP6304 Datasheet PDF ( Pinout ) - Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller

HIP6304 Datasheet PDF - Intersil Corporation

Part Number	*HIP6304*
Description	Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller
Manufacturers	Intersil Corporation
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Data Sheet

HIP6304

March 2000

File Number 4840

Microprocessor CORE Voltage Regulator

Multi-Phase Buck PWM Controller

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.

Outstanding features of this controller IC include

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.

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.

Features

• AMD Athlon Compatible Multi-Phase Power Conversion

• Precision Channel Current Sharing

- Loss Less Current Sampling - Uses rDS(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

PART NUMBER TEMP. (oC) PACKAGE PKG. NO.

HIP6304CB

0 to 70 16 Ld SOIC M16.15

HIP6304CB-T

16 Ld SOIC Tape and Reel

HIP6304EVAL1

Evaluation Platform

Pinout

HIP6304 (SOIC)

TOP VIEW

VID3 1

VID2 2

VID1 3

VID0 4

EN 5

COMP 6

FB 7

FS/DIS 8

16 VCC

15 PGOOD

14 ISEN1

13 PWM1

12 PWM2

11 ISEN2

10 VSEN

9 GND

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

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

HIP6304

Absolute Maximum Ratings

Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7V

Input, Output, or I/O Voltage . . . . . . . . . . GND -0.3V to VCC + 0.3V

ESD Classiﬁcation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Class TBD

Recommended Operating Conditions

Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V ±5%

Ambient Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . 0oC to 70oC

Thermal Information

Thermal Resistance (Typical, Note 1)

θJA (oC/W)

SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

106

Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . .150oC

Maximum Storage Temperature Range . . . . . . . . . . -65oC to 150oC

Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . .300oC

(SOIC - Lead Tips Only)

CAUTION: Stress 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 section of this speciﬁcation is not implied.

NOTE:

1. θJA is measured with the component mounted on an evaluation PC board in free air.

Electrical Speciﬁcations Operating Conditions: VCC = 5V, TA = 0oC to 70oC, Unless Otherwise Speciﬁed

PARAMETER

TEST CONDITIONS

MIN

INPUT SUPPLY POWER

Input Supply Current

POR (Power-On Reset) Threshold

REFERENCE AND DAC

RT = 100kΩ, Active and Disabled Maximum Limit

VCC Rising

VCC Falling

4.25

3.75

System Accuracy

Percent system deviation from programmed VID Codes

-1

DAC (VID0 - VID3) Input Low Voltage

DAC Programming Input Low Threshold Voltage

DAC (VID0 - VID3) Input High Voltage

DAC Programming Input High Threshold Voltage

2.0

VID Pull-Up

VIDx = 0V or VIDx = 3V

CHANNEL GENERATOR

Frequency, FSW

Adjustment Range

RT = 100kΩ, ±1%

See Figure 10

245

0.05

Disable Voltage

ERROR AMPLIFIER

Maximum voltage at FS/DIS to disable controller. IFS/DIS = 1mA.

DC Gain

Gain-Bandwidth Product

Slew Rate

Maximum Output Voltage

Minimum Output Voltage

ISEN

Full Scale Input Current

RL = 10K to Ground

CL = 100pF, RL = 10K to Ground

CL = 100pF, Load = ±400µA

RL = 10K to ground, Load = 400µA

RL = 10K to ground, Load = -400µA

3.6

Over-Current Trip Level

POWER GOOD MONITOR

Under-Voltage Threshold

VSEN Rising

Under-Voltage Threshold

VSEN Falling

PGOOD Low Output Voltage

PROTECTION

IPGOOD = 4mA

Over-Voltage Threshold

VSEN Rising

1.12

Percent Over-Voltage Hysteresis

VSEN Falling after Over-Voltage

TYP

4.38

3.88

275

5.3

4.1

0.16

82.5

0.92

0.90

0.18

1.15

MAX UNITS

15 mA

4.5 V

4.00 V

0.8 V

-V

40 µA

305 kHz

1.5 MHz

1.0 V

- dB

- MHz

- V/µs

-V

0.5 V

- µA

- VDAC

0.4 V

1.2 VDAC

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HIP6304 Datasheet PDF - Intersil Corporation

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