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Intersil Electronic Components Datasheet

ISL6612 Datasheet

(ISL6612 / ISL6613) Advanced Synchronous Rectified Buck MOSFET Drivers

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®
Data Sheet
Advanced Synchronous Rectified Buck
MOSFET Drivers with Protection Features
The ISL6612 and ISL6613 are high frequency MOSFET
drivers specifically designed to drive upper and lower power
N-Channel MOSFETs in a synchronous rectified 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 ISL6612 drives the upper gate to 12V, while the lower
gate can be independently driven over a range from 5V to
12V. The ISL6613 drives both upper and lower gates over a
range of 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 over-voltage 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).
These drivers also feature 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.
ISL6612, ISL6613
July 25, 2005
FN9153.5
Features
• Pin-to-pin Compatible with HIP6601 SOIC family for Better
Performance and Extra Protection Features
• Dual MOSFET Drives for Synchronous Rectified Bridge
• 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
• 36V Internal Bootstrap Schottky Diode
• Bootstrap Capacitor Overcharging Prevention
• Supports High Switching Frequency (up to 2MHz)
- 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 Over-Voltage Protection
• VCC Undervoltage Protection
• Over Temperature Protection (OTP) with 42°C Hysteresis
• Expandable Bottom Copper Pad for Enhanced Heat
Sinking
• Dual Flat No-Lead (DFN) Package
- Near Chip-Scale Package Footprint; Improves PCB
Efficiency and Thinner in Profile
• Pb-Free Plus Anneal 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 Briefs TB400 and TB417 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. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.


Intersil Electronic Components Datasheet

ISL6612 Datasheet

(ISL6612 / ISL6613) Advanced Synchronous Rectified Buck MOSFET Drivers

No Preview Available !

ISL6612, ISL6613
Ordering Information
TEMP.
PART NUMBER RANGE (°C)
PACKAGE
PKG.
DWG. #
ISL6612CB
0 to 85 8 Ld SOIC
M8.15
ISL6612CBZ (Note) 0 to 85 8 Ld SOIC (Pb-Free) M8.15
ISL6612CBZA (Note) 0 to 85 8 Ld SOIC (Pb-Free) M8.15
ISL6612CR
0 to 85 10 Ld 3x3 DFN
L10.3x3
ISL6612CRZ (Note) 0 to 85 10 Ld 3x3 DFN (Pb-Free) L10.3x3
ISL6612ECB
0 to 85 8 Ld EPSOIC
M8.15B
ISL6612ECBZ (Note) 0 to 85 8 Ld EPSOIC (Pb-Free) M8.15B
ISL6612EIB
-40 to 85 8 Ld EPSOIC
M8.15B
ISL6612EIBZ (Note) -40 to 85 8 Ld EPSOIC (Pb-Free) M8.15B
ISL6612IB
-40 to 85 8 Ld SOIC
M8.15
ISL6612IBZ (Note)
ISL6612IR
ISL6612IRZ (Note)
-40 to 85 8 Ld SOIC (Pb-Free) M8.15
-40 to 85 10 Ld 3x3 DFN
L10.3x3
-40 to 85 10 Ld 3x3 DFN (Pb-Free) L10.3x3
ISL6613CB
0 to 85 8 Ld SOIC
M8.15
ISL6613CBZ (Note) 0 to 85 8 Ld SOIC (Pb-Free) M8.15
ISL6613CR
0 to 85 10 Ld 3x3 DFN
L10.3x3
Ordering Information (Continued)
TEMP.
PART NUMBER RANGE (°C)
PACKAGE
PKG.
DWG. #
ISL6613CRZ (Note) 0 to 85 10 Ld 3x3 DFN (Pb-Free) L10.3x3
ISL6613ECB
0 to 85 8 Ld EPSOIC
M8.15B
ISL6613ECBZ (Note) 0 to 85 8 Ld EPSOIC (Pb-Free) M8.15B
ISL6613EIB
-40 to 85 8 Ld EPSOIC
M8.15B
ISL6613EIBZ (Note) -40 to 85 8 Ld EPSOIC (Pb-Free) M8.15B
ISL6613IB
-40 to 85 8 Ld SOIC
M8.15
ISL6613IBZ (Note) -40 to 85 8 Ld SOIC (Pb-Free) M8.15
ISL6613IR
-40 to 85 10 Ld 3x3 DFN
L10.3x3
ISL6613IRZ (Note) -40 to 85 10 Ld 3x3 DFN (Pb-Free) L10.3x3
Add “-T” suffix for tape and reel.
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100%
matte tin plate termination finish, which are 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.
Pinouts
ISL6612CB, ISL6613CB (SOIC)
ISL6612ECB, ISL6613ECB (EPSOIC)
TOP VIEW
UGATE 1
BOOT 2
PWM 3
GND 4
GND
8 PHASE
7 PVCC
6 VCC
5 LGATE
ISL6612CR, ISL6613CR (10L 3x3 DFN)
TOP VIEW
UGATE
BOOT
N/C
PWM
GND
1
2
3
4
5
GND
10 PHASE
9 PVCC
8 N/C
7 VCC
6 LGATE
2 FN9153.5
July 25, 2005


Part Number ISL6612
Description (ISL6612 / ISL6613) Advanced Synchronous Rectified Buck MOSFET Drivers
Maker Intersil Corporation
Total Page 12 Pages
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