UCT
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PROD NT PROD
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OBSO EPLACE 03B
66
D R
Data Sheet
ENDE 6601B, HIP
MM HIP
RECO
®
HIP6601A, HIP6603A, HIP6604
August 2004
FN4884.5
Synchronous Rectified Buck MOSFET
Drivers
The HIP6601A, HIP6603A and HIP6604 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 an ISL65xx Multi-Phase Buck PWM controller form a
complete core-voltage regulator solution for advanced
microprocessors.
The HIP6601A 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 HIP6603A 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 HIP6604 can be configured as
either a HIP6601A or a HIP6603A.
The output drivers in the HIP6601A, HIP6603A and HIP6604
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 Lead SOIC and EPSOIC and 16 Lead QFN
Packages
• Dual Gate-Drive Voltages for Optimal Efficiency
• Three-State Input for Output Stage 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
Related Literature
• Technical Brief TB363 “Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
Pinouts
HIP6601ACB, HIP6603ACB (SOIC)
HIP6601ECB, HIP6603ECB (EPSOIC)
TOP VIEW
UGATE
1
2
3
4
8
7
6
5
PHASE
PVCC
VCC
LGATE
Ordering Information
PART NUMBER
HIP6601ACB
HIP6603ACB
HIP6601ACB-T
HIP6603ACB-T
HIP6601ECB
HIP6603ECB
HIP6601ECB-T
HIP6603ECB-T
HIP6604CR
HIP6604CR-T
TEMP. RANGE
(
o
C)
0 to 85
0 to 85
PACKAGE
8 Ld SOIC
8 Ld SOIC
PKG.
DWG. #
M8.15
M8.15
BOOT
PWM
GND
8 Ld SOIC Tape and Reel
8 Ld SOIC Tape and Reel
0 to 85
0 to 85
8 Ld EPSOIC
8 Ld EPSOIC
M8.15B
M8.15B
HIP6604 (QFN)
TOP VIEW
UGATE
PHASE
14
NC
NC
13
12 NC
11 PVCC
10 LVCC
9
5
PGND
6
NC
7
LGATE
8
NC
VCC
8 Ld EPSOIC Tape and Reel
8 Ld EPSOIC Tape and Reel
0 to 85
16 Ld 4x4 QFN L16.4x4
NC
BOOT
PWM
GND
1
2
3
4
16
15
16 Ld 4x4 QFN Tape and Reel
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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