HIP6601_04 INTERSIL [Intersil Corporation], HIP6601_04 Datasheet

HIP6601_04

Manufacturer Part Number

HIP6601_04

Description

Synchronous-Rectified Buck MOSFET Drivers

Manufacturer

INTERSIL [Intersil Corporation]

Datasheet

1.HIP6601_04.pdf (8 pages)

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Synchronous-Rectified Buck MOSFET

Drivers

The HIP6601 and HIP6603 are high frequency, dual

MOSFET drivers specifically designed to drive two power

N-Channel MOSFETs in a synchronous-rectified buck

converter topology. These drivers combined with a HIP630x

Multi-Phase Buck PWM controller and Intersil UltraFETs™

form a complete core-voltage regulator solution for

advanced microprocessors.

The HIP6601 drives the lower gate in a synchronous-rectifier

bridge to 12V, while the upper gate can be independently

driven over a range from 5V to 12V. The HIP6603 drives

both upper and lower gates over a range of 5V to 12V. This

drive-voltage flexibility provides the advantage of optimizing

applications involving trade-offs between switching losses

and conduction losses.

The output drivers in the HIP6601 and HIP6603 have the

capacity to efficiently switch power MOSFETs at frequencies

up to 2MHz. Each driver is capable of driving a 3000pF load

with a 30ns propagation delay and 50ns transition time. Both

products implement bootstrapping on the upper gate with

only an external capacitor required. This reduces

implementation complexity and allows the use of higher

performance, cost effective, N-Channel MOSFETs. Adaptive

shoot-through protection is integrated to prevent both

MOSFETs from conducting simultaneously.

Ordering Information

Block Diagram

HIP6601CB

HIP6603CB

PART NUMBER

PVCC

PWM

VCC

TEMP. RANGE

0 to 85

+5V

(

10K

CONTROL

LOGIC

8 Ld SOIC

Data Sheet

PACKAGE

M8.15

PKG. NO.

PROTECTION

THROUGH

SHOOT-

1-888-INTERSIL or 321-724-7143

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

Features

• Drives Two N-Channel MOSFETs

• Adaptive Shoot-Through Protection

• Internal Bootstrap Device

• Supports High Switching Frequency

• Small 8 Lead SOIC Package

• Dual Gate-Drive Voltages for Optimal Efficiency

• Three-State Input for Bridge Shutdown

• Supply Under Voltage Protection

Applications

• Core Voltage Supplies for Intel Pentium® III, AMD®

• High Frequency Low Profile DC-DC Converters

• High Current Low Voltage DC-DC Converters

Pinout

†

- Fast Output Rise Time

- Propagation Delay 30ns

Athlon™ Microprocessors

All other trademarks mentioned are the property of their respective owners.

August 2004

Intersil (and design) is a registered trademark of Intersil Americas Inc.

UGATE

BOOT

UGATE

PHASE

LGATE

GND

PWM

GND

HIP6601CB/HIP6603CB

HIP6601, HIP6603

TOP VIEW

(SOIC)

†

VCC FOR HIP6601

PVCC FOR HIP6603

PHASE

PVCC

VCC

LGATE

FN4819.1

Related parts for HIP6601_04

HIP6601_04 Summary of contents

Page 1

Data Sheet Synchronous-Rectified Buck MOSFET Drivers The HIP6601 and HIP6603 are high frequency, dual MOSFET drivers specifically designed to drive two power N-Channel MOSFETs in a synchronous-rectified buck converter topology. These drivers combined with a HIP630x Multi-Phase Buck PWM controller ...

Page 2

Typical Application +5V VFB COMP VCC PWM1 VSEN PWM2 PWM3 PGOOD MAIN CONTROL HIP6301 VID ISEN1 ISEN2 FS ISEN3 GND 2 HIP6601, HIP6603 +12V +5V BOOT PVCC UGATE VCC PHASE DRIVE PWM HIP6601 LGATE +12V +5V BOOT PVCC UGATE VCC ...

Page 3

Absolute Maximum Ratings Supply Voltage (VCC .15V Supply ...

Page 4

Functional Pin Description UGATE (Pin 1) Upper gate drive output. Connect to gate of high-side power N-Channel MOSFET. BOOT (Pin 2) Floating bootstrap supply pin for the upper gate drive. Connect the bootstrap capacitor between this pin and the PHASE ...

Page 5

A falling transition on PWM indicates the turn-off of the upper MOSFET and the turn-on of the lower MOSFET. A short propagation delay [TPDL ] is encountered before the UGATE upper gate begins to fall [TF ]. Again, the adaptive ...

Page 6

MOSFETs. The power dissipated by the driver is approximated as:   1.05f  ...

Page 7

Since both upper and lower gate capacitance can vary, Figure 7 shows dissipation curves versus lower gate capacitance with upper gate capacitance held constant at three different values. These curves apply only to the HIP6601 due to power supply configuration. ...

Page 8

Small Outline Plastic Packages (SOIC) N INDEX 0.25(0.010) H AREA E - SEATING PLANE - -C- α µ 0.10(0.004) 0.25(0.010 NOTES: 1. Symbols are defined in ...

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