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6604BCRZ

Synchronous Rectified BuckMOSFET Drivers

Renesas Electronics 

DATASHEET HIP6601B, HIP6603B, HIP6604B

Synchronous Rectified BuckMOSFET Drivers

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FN9072

Rev 9.00

December 10, 2015

The HIP6601B, HIP6603B and HIP6604B 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 HIP63xx or the ISL65xx series of Multi-Phase Buck

PWM controllers and MOSFETs form a complete core-

voltage regulator solution for advanced microprocessors.

The HIP6601B drives the lower gate in a synchronous

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

driven over a range from 5V to 12V. The HIP6603B 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 HIP6604B can be configured as

either a HIP6601B or a HIP6603B.

The output drivers in the HIP6601B, HIP6603B and

HIP6604B 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. These 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.

Features

• Drives Two N-Channel MOSFETs

• Adaptive Shoot-Through Protection

• Internal Bootstrap Device

• Supports High Switching Frequency

- Fast Output Rise Time

- Propagation Delay 30ns

• Small 8 Ld SOIC and EPSOIC and 16 Ld QFN Packages

• Dual Gate-Drive Voltages for Optimal Efficiency

• Three-State Input for Output Stage Shutdown

• Supply Undervoltage Protection

• QFN Package

- Compliant to JEDEC PUB95 MO-220 QFN—Quad Flat

No Leads—Product Outline.

- Near Chip-Scale Package Footprint; Improves PCB

Efficiency and Thinner in Profile.

• Pb-Free (RoHS Compliant)

Applications

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

Athlon™ Microprocessors

• High Frequency Low Profile DC/DC Converters

• High Current Low Voltage DC/DC Converters

Related Literature

• Technical Brief TB363, Guidelines for Handling and

Processing Moisture Sensitive Surface Mount Devices

(SMDs)

FN9072 Rev 9.00

December 10, 2015

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