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Intersil Electronic Components Datasheet

ISL6614 Datasheet

Dual Advanced Synchronous Rectified Buck MOSFET Drivers

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®
Data Sheet
Dual Advanced Synchronous Rectified
Buck MOSFET Drivers with Protection
Features
The ISL6614 integrates two ISL6613 MOSFET drivers and is
specifically designed to drive two independent power
channels in a Multi-Phase interleaved buck converter
topology. These drivers combined with HIP63xx or ISL65xx
Multi-Phase Buck PWM controllers and N-Channel
MOSFETs form complete core-voltage regulator solutions for
advanced microprocessors.
The ISL6614 drives both the upper and lower gates
simultaneously over a range from 5V to 12V. This drive
voltage provides the flexibility necessary to optimize
applications involving trade-offs between gate charge and
conduction losses.
An advanced adaptive zero shoot-through protection is
integrated to prevent both the upper and lower MOSFETs
from conducting simultaneously and to minimize the dead
time. These products add an overvoltage protection feature
operational before VCC exceeds its turn-on threshold, at
which the PHASE node is connected to the gate of the low
side MOSFET (LGATE). The output voltage of the converter
is then limited by the threshold of the low side MOSFET,
which provides some protection to the microprocessor if the
upper MOSFET(s) is shorted during startup. The over-
temperature protection feature prevents failures resulting
from excessive power dissipation by shutting off the outputs
when its junction temperature exceeds +150°C (typically).
The driver resets once its junction temperature returns to
+108°C (typically).
The ISL6614 also features a three-state PWM input which,
working together with Intersil’s multi-phase PWM controllers,
prevents a negative transient on the output voltage when the
output is shut down. This feature eliminates the Schottky
diode that is used in some systems for protecting the load
from reversed output voltage events.
ISL6614
May 5, 2008
FN9155.5
Features
• Pin-to-pin Compatible with HIP6602 SOIC Family for
Better Performance and Extra Protection Features
• Quad N-Channel MOSFET Drives for Two Synchronous
Rectified Bridges
• Advanced Adaptive Zero Shoot-Through Protection
- Body Diode Detection
- Auto-zero of rDS(ON) Conduction Offset Effect
• Adjustable Gate Voltage (5V to 12V) for Optimal Efficiency
• Internal Bootstrap Schottky Diode
• Bootstrap Capacitor Overcharging Prevention
• Supports High Switching Frequency (up to 1MHz)
- 3A Sinking Current Capability
- Fast Rise/Fall Times and Low Propagation Delays
• Three-State PWM Input for Output Stage Shutdown
• Three-State PWM Input Hysteresis for Applications With
Power Sequencing Requirement
• Pre-POR Overvoltage +Protection
• VCC Undervoltage Protection
• Over-Temperature Protection (OTP) with +42°C Hysteresis
• Expandable Bottom Copper Pad for Enhanced Heat Sinking
• QFN Package:
- Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat
No Leads - Package Outline
- Near Chip Scale Package Footprint, which Improves
PCB Efficiency and has a Thinner Profile
• Pb-free Available (RoHS compliant)
Applications
• Core Regulators for Intel® and AMD® Microprocessors
• High Current DC/DC Converters
• High Frequency and High Efficiency VRM and VRD
Related Literature
• Technical Brief TB363 “Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
• Technical Brief 400 and 417 for Power Train Design,
Layout Guidelines, and Feedback Compensation Design
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2004, 2005, 2007. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.


Intersil Electronic Components Datasheet

ISL6614 Datasheet

Dual Advanced Synchronous Rectified Buck MOSFET Drivers

No Preview Available !

ISL6614CB, ISL6614CBZ, ISL6614IB
(14 LD SOIC)
TOP VIEW
PWM1 1
PWM2 2
GND 3
LGATE1 4
PVCC 5
PGND 6
LGATE2 7
14 VCC
13 PHASE1
12 UGATE1
11 BOOT1
10 BOOT2
9 UGATE2
8 PHASE2
ISL6614
ISL6614CR, ISL6614CRZ, ISL6614IR, ISL6614IRZ
(16 LD QFN)
TOP VIEW
16 15 14 13
GND 1
LGATE1 2
PVCC 3
PGND 4
GND
12 UGATE1
11 BOOT1
10 BOOT2
9 UGATE2
5678
Ordering Information
PART NUMBER
PART MARKING
TEMP. RANGE (°C)
PACKAGE
PKG. DWG. #
ISL6614CB*
ISL6614CB
0 to +85
14 Ld SOIC
M14.15
ISL6614CBZ* (Note)
6614CBZ
0 to +85
14 Ld SOIC (Pb-free)
M14.15
ISL6614CBZA* (Note)
6614CBZ
0 to +85
14 Ld SOIC (Pb-free)
M14.15
ISL6614CR*
ISL 6614CR
0 to +85
16 Ld 4x4 QFN
L16.4x4
ISL6614CRZ* (Note)
66 14CRZ
0 to +85
16 Ld 4x4 QFN (Pb-free)
L16.4x4
ISL6614CRZA* (Note)
66 14CRZ
0 to +85
16 Ld 4x4 QFN (Pb-free)
L16.4x4
ISL6614IB*
ISL6614IB
-40 to +85
14 Ld SOIC
M14.15
ISL6614IBZ* (Note)
6614IBZ
-40 to +85
14 Ld SOIC (Pb-free)
M14.15
ISL6614IR*
ISL 6614IR
-40 to +85
16 Ld 4x4 QFN
L16.4x4
ISL6614IRZ* (Note)
66 14IRZ
-40 to +85
16 Ld 4x4 QFN (Pb-free)
L16.4x4
*Add “-T” suffix for tape and reel. Please refer to TB347 for details on reel specifications.
NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and 100%
matte tin plate PLUS ANNEAL - e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations.
Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J
STD-020.
2 FN9155.5
May 5, 2008


Part Number ISL6614
Description Dual Advanced Synchronous Rectified Buck MOSFET Drivers
Maker Intersil Corporation
Total Page 12 Pages
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