hip6016cb Intersil Corporation, hip6016cb Datasheet

hip6016cb

Manufacturer Part Number

hip6016cb

Description

Advanced Pwm And Dual Linear Power Control

Manufacturer

Intersil Corporation

Datasheet

1.HIP6016CB.pdf (14 pages)

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Advanced PWM and Dual Linear Power

Control

The HIP6016 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

package. The PWM controller regulates the microprocessor

core voltage with a synchronous-reThanctiﬁed buck

converter. The linear controller regulates power for the GTL

bus and the linear regulator provides power for the clock

driver circuit.

The HIP6016 includes an Intel-compatible, TTL 5-input

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

output voltage from 2.1V

and from 1.3V

reference and voltage-mode control provide 1% static

regulation. The linear regulator uses an internal pass device

to provide a ﬁxed 2.5V 2.5%. The linear controller drives an

external N-channel MOSFET to provide a ﬁxed 1.5V 2.5%.

The HIP6016 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

voltage drop across the upper MOSFET’s r

eliminating the need for a current sensing resistor.

Pinout

PGOOD

VSEN2

FAULT

VID4

VID3

VID2

VID1

VID0

VIN2

VCC

to 2.05V

TOP VIEW

2-196

HIP6016

(SOIC)

to 3.5V

in 0.05V steps. The precision

Data Sheet

in 0.1V increments

UGATE

PHASE

LGATE

PGND

OCSET

VSEN1

COMP

VSEN3

GATE3

GND

VOUT2

DS(ON)

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

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

Features

• Provides 3 Regulated Voltages

• Drives N-Channel MOSFETs

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

• Simple Control Design

• 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

HIP6016CB

PART NUMBER

- Microprocessor Core, Clock and GTL Power

- Single-Loop Voltage-Mode PWM Control

- Fixed 1.5V GTL Output Voltage

- Fixed 2.5V Clock Output Voltage

- High-Bandwidth Error Ampliﬁer

- Full 0% to 100% Duty Ratio

- Core PWM Output: 1% Over Temperature

- Other Outputs: 2.5% Over Temperature

Voltage Selection

- Wide Range . . . . . . . . . . . . . . . . . . . 1.3V

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

- 0.05V Steps . . . . . . . . . . . . . . . . . . 1.3V

MOSFET

- Does Not Require Extra Current Sensing Element,

- Constant Frequency Operation

- 200kHz Free-Running Oscillator; Programmable from

Uses MOSFET’s r

50kHz to over 1MHz

January 1999

TEMP. RANGE

DS(ON)

0 to 70

(

File Number 4566.1

24 Ld SOIC

PACKAGE

Intersil Corporation 1999

HIP6016

to 2.05V

M24.3

to 3.5V

PKG. NO.

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hip6016cb Summary of contents

Page 1

... Full Motherboard Power Regulation for Computers 21 PGND • Low-Voltage Distributed Power Supplies 20 OCSET 19 VSEN1 Ordering Information COMP PART NUMBER 16 VSEN3 HIP6016CB 15 GATE3 14 GND VOUT2 13 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. http://www.intersil.com or 407-727-9207 HIP6016 January 1999 File Number 4566 DS(ON) TEMP ...

Page 2

Block Diagram - + 2-197 HIP6016 FIGURE 1. ...

Page 3

Simpliﬁed Power System Diagram +5V IN +3. OUT2 V OUT3 Typical Application +12V IN + +3. OUT2 2.5V C OUT2 Q3 V OUT3 1.5V C OUT3 2-198 HIP6016 LINEAR REGULATOR PWM CONTROLLER HIP6016 ...

Page 4

Absolute Maximum Ratings Supply Voltage +15V CC ...

Page 5

Electrical Speciﬁcations Recommended Operating Conditions, Unless Otherwise Noted. Refer to Figures 1, 2 and 3 (Continued) PARAMETER Slew Rate PWM CONTROLLER GATE DRIVER Upper Drive Source Upper Drive Sink Lower Drive Source Lower Drive Sink PROTECTION V Over-Voltage Trip OUT1 ...

Page 6

Functional Pin Descriptions VSEN1 (Pin 19) This pin is connected to the PWM converter’s output voltage. The PGOOD and OVP comparator circuits use this signal to report output voltage status and for over voltage protection. OCSET (Pin 20) Connect a ...

Page 7

VIN2 (Pin 12) This pin supplies power to the internal regulator. Connect this pin to a suitable 3.3V source. Additionally, this pin is used to monitor the 3.3V supply. If, following a start-up cycle, the voltage drops below 2.45V (typically), ...

Page 8

LUV OVER CURRENT LATCH S Q OC1 S R 0.15V + COUNTER - POR OV FIGURE 7. FAULT LOGIC - SIMPLIFIED SCHEMATIC latch. A sequence of three over-current fault signals also sets the fault ...

Page 9

Resistor R programs the over-current trip level for the OCSET PWM converter. As shown in Figure 9, the internal 200 A current sink develops a voltage across R referenced The DRIVE signal enables the over-current IN comparator ...

Page 10

Shutdown The PWM output does not switch until the soft-start voltage (V ) exceeds the oscillator’s valley voltage. Additionally, the SS reference on each linear’s ampliﬁer is clamped to the soft- start voltage. Holding the SS pin low with an ...

Page 11

OSC DRIVER PWM COMP V OSC - DRIVER + E ERROR AMP REFERENCE DETAILED FEEDBACK COMPENSATION COMP - FB + HIP6016 REFERENCE FIGURE 11. VOLTAGE-MODE BUCK CONVERTER COMPENSATION DESIGN ...

Page 12

Consult with the manufacturer of the load on speciﬁc decoupling requirements. Use only specialized low-ESR capacitors intended for switching regulator applications for the bulk capacitors. The bulk capacitor’s ESR determines the ...

Page 13

MOSFET to suppress the voltage induced in the parasitic circuit impedances. For a through hole design, several electrolytic capacitors (Panasonic HFQ series or Nichicon PL series or Sanyo MV equivalent) may be ...

Page 14

... All Intersil semiconductor products are manufactured, assembled and tested under ISO9000 quality systems certiﬁcation. Intersil semiconductor products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design and/or specifications at any time with- out notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use ...

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