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ISL6205 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 ISL6205
部品説明 High Voltage Synchronous Rectified Buck MOSFET Driver
メーカ Intersil Corporation
ロゴ Intersil Corporation ロゴ 



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ISL6205 Datasheet, ISL6205 PDF,ピン配置, 機能
TM
Data Sheet
ISL6205
November 2001
File Number 9047
High Voltage Synchronous Rectified Buck
MOSFET Driver
The ISL6205 is a high-voltage, high-frequency, dual
MOSFET driver specifically designed to drive two N-Channel
power MOSFETs in a synchronous rectified buck converter
topology in mobile computing applications. This driver
combined with an ISL6223 or other Intersil Multi-Phase Buck
PWM controllers forms a complete single-stage core-voltage
regulator solution for advanced mobile microprocessors.
The ISL6205 allows users to select a gate voltage ranging
from 5V to 12V for the lower MOSFET in the synchronous
rectified buck converter. Using a 12V gate voltage reduces
the RDS(ON) and the conduction loss in the MOSFET. The
upper gate is required to run at 5V.
The ISL6205 features a three-state PWM input that, working
together with any Intersil multiphase PWM controllers, will
prevent a negative transient on the output voltage when the
output is being shut down. This feature eliminates the
schottky diode that is usually seen in a microprocessor
power system for protecting the microprocessor from any
reversed output voltage damage.
The output drivers in the ISL6205 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. This
product implements bootstrapping on the upper gate,
reducing implementation complexity and allowing 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
TEMP. RANGE
PART NUMBER (oC) PACKAGE PKG. NO.
ISL6205CB
-10 to 85 8 Ld SOIC M8.15
ISL6205CB-T
8 Ld SOIC Tape and Reel
Features
• Drives Two N-Channel MOSFETs
• Adaptive Shoot-Through Protection
• 25V Operation voltage
• Supports High Switching Frequency
- Fast Output Rise Time
- Propagation Delay 30ns
• Small 8 Lead SOIC Package
• Dual Gate-Drive Voltages for the Lower MOSFET for
Optimal Efficiency
• Three-State Input for Output Stage Shutdown
• Supply Under Voltage Protection
• 5V or 12V Drive for the Lower MOSFET
Applications
• Core Voltage Supplies for Intel Mobile Pentium® III,
AMD® Mobile Athlon™ or Duron™ Microprocessors
• High Frequency Low Profile DC-DC Converters
• High Current Low Voltage DC-DC Converters
• High Input Voltage DC-DC Converters
Related Literature
• Technical Brief TB363 “Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
Pinout
ISL6205CB, (SOIC)
TOP VIEW
UGATE 1
BOOT 2
PWM 3
GND 4
8 PHASE
7 PVCC
6 VCC
5 LGATE
ti
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2001. All Rights Reserved
Pentium® is a registered trademark of Intel Corp. AMD® is a registered trademark of Advanced Micro Devices, Inc. | Athlon™ and Duron™ are trademarks of Advanced Micro Devices, Inc.

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