HIP6601BCB-T Datasheet, PDF (1/12 Pages) Intersil Corporation – Drives Two N-Channel MOSFETs

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Synchronous Rectified Buck
MOSFET Drivers
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.
HIP6601B, HIP6603B, HIP6604B
May 1, 2012
FN9072.8
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)
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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