FN4819.1 반도체 회로 부품 판매점
Synchronous-Rectified Buck MOSFET Drivers
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 Intersil Corporation |
Data Sheet
HIP6601, HIP6603
January 2000
File Number 4819
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
TEMP. RANGE
PART NUMBER (oC) PACKAGE PKG. NO.
HIP6601CB
0 to 85
8 Ld SOIC M8.15
HIP6603CB
0 to 85
8 Ld SOIC M8.15
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 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®
Athlon™ Microprocessors
• High Frequency Low Profile DC-DC Converters
• High Current Low Voltage DC-DC Converters
Pinout
HIP6601CB/HIP6603CB
(SOIC)
TOP VIEW
UGATE 1
BOOT 2
PWM 3
GND 4
8 PHASE
7 PVCC
6 VCC
5 LGATE
Block Diagram
PVCC
BOOT
VCC
+5V
PWM
10K
CONTROL
LOGIC
10K
SHOOT-
THROUGH
PROTECTION
†
UGATE
PHASE
† VCC FOR HIP6601
PVCC FOR HIP6603
LGATE
GND
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
UltraFET™ is a trademark of Intersil Corporation. 1-888-INTERSIL or 321-724-7143 | Copyright © Intersil Corporation 2000
Pentium® is a registered trademark of Intel Corporation. AMD® is a registered trademark of Advanced Micro Devices, Inc.
Typical Application
HIP6601, HIP6603
+5V
BOOT
PVCC UGATE
VCC
DRIVE PHASE
PWM HIP6601
LGATE
+12V
PGOOD
VID
+5V
VFB
COMP
VCC
VSEN
PWM1
PWM2
PWM3
MAIN
CONTROL
HIP6301
ISEN1
ISEN2
FS ISEN3
GND
+5V
BOOT
PVCC UGATE
VCC
PWM DRIVE PHASE
HIP6601
LGATE
+12V
+5V
BOOT
PVCC
VCC
UGATE
DRIVE PHASE
PWM HIP6601
LGATE
+12V
+VCORE
2
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제조업체: Intersil Corporation
( intersil )
FN4819.1 mosfet
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