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Renesas Electronics Components Datasheet

ISL6612 Datasheet

Advanced Synchronous Rectified Buck MOSFET Drivers

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DATASHEET
ISL6612, ISL6613
Advanced Synchronous Rectified Buck MOSFET Drivers with Protection Features
FN9153
Rev 9.00
June 15, 2010
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 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).
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.
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 Overvoltage 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 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 TB417 for Power Train Design, Layout
Guidelines, and Feedback Compensation Design
FN9153 Rev 9.00
June 15, 2010
Page 1 of 12


Renesas Electronics Components Datasheet

ISL6612 Datasheet

Advanced Synchronous Rectified Buck MOSFET Drivers

No Preview Available !

ISL6612, ISL6613
Ordering Information
PART
NUMBER
PART
MARKING
TEMP. RANGE
(°C)
PACKAGE
PKG.
DWG. #
ISL6612CBZ (Note 2)
6612 CBZ
0 to +85
8 Ld SOIC (Pb-Free)
M8.15
ISL6612CBZ-T (Notes 1, 2) 6612 CBZ
0 to +85
8 Ld SOIC (Pb-Free)
M8.15
ISL6612CBZA (Note 2)
6612 CBZ
0 to +85
8 Ld SOIC (Pb-Free)
M8.15
ISL6612CBZA-T (Notes 1, 2) 6612 CBZ
0 to +85
8 Ld SOIC (Pb-Free)
M8.15
ISL6612CRZ (Note 2)
612Z
0 to +85
10 Ld 3x3 DFN (Pb-Free)
L10.3x3
ISL6612CRZ-T (Notes 1, 2) 612Z
0 to +85
10 Ld 3x3 DFN (Pb-Free)
L10.3x3
ISL6612ECB-T (Note 1)
ISL66 12ECB
0 to +85
8 Ld EPSOIC
M8.15B
ISL6612ECBZ (Note 2)
6612 ECBZ
0 to +85
8 Ld EPSOIC (Pb-Free)
M8.15B
ISL6612ECBZ-T (Notes 1, 2) 6612 ECBZ
0 to +85
8 Ld EPSOIC (Pb-Free)
M8.15B
ISL6612EIBZ (Note 2)
6612 EIBZ
-40 to +85
8 Ld EPSOIC (Pb-Free)
M8.15B
ISL6612EIBZ-T (Notes 1, 2) 6612 EIBZ
-40 to +85
8 Ld EPSOIC (Pb-Free)
M8.15B
ISL6612IBZ (Note 2)
6612 IBZ
-40 to +85
8 Ld SOIC (Pb-Free)
M8.15
ISL6612IBZ-T (Notes 1, 2) 6612 IBZ
-40 to +85
8 Ld SOIC (Pb-Free)
M8.15
ISL6612IRZ (Note 2)
12IZ
-40 to +85
10 Ld 3x3 DFN (Pb-Free)
L10.3x3
ISL6612IRZ-T (Notes 1, 2) 12IZ
-40 to +85
10 Ld 3x3 DFN (Pb-Free)
L10.3x3
ISL6613CBZ (Note 2)
6613 CBZ
0 to +85
8 Ld SOIC (Pb-Free)
M8.15
ISL6613CBZ-T (Notes 1, 2) 6613 CBZ
0 to +85
8 Ld SOIC (Pb-Free)
M8.15
ISL6613CRZ (Note 2)
613Z
0 to +85
10 Ld 3x3 DFN (Pb-Free)
L10.3x3
ISL6613CRZ-T (Notes 1, 2) 613Z
0 to +85
10 Ld 3x3 DFN (Pb-Free)
L10.3x3
ISL6613ECBZ (Note 2)
6613 ECBZ
0 to +85
8 Ld EPSOIC (Pb-Free)
M8.15B
ISL6613ECBZ-T (Notes 1, 2) 6613 ECBZ
0 to +85
8 Ld EPSOIC (Pb-Free)
M8.15B
ISL6613EIBZ (Note 2)
6613 EIBZ
-40 to +85
8 Ld EPSOIC (Pb-Free)
M8.15B
ISL6613EIBZ-T (Notes 1, 2) 6613 EIBZ
-40 to +85
8 Ld EPSOIC (Pb-Free)
M8.15B
ISL6613IBZ (Note 2)
6613 IBZ
-40 to +85
8 Ld SOIC (Pb-Free)
M8.15
ISL6613IBZ-T (Notes 1, 2) 6613 IBZ
-40 to +85
8 Ld SOIC (Pb-Free)
M8.15
ISL6613IRZ (Note 2)
13IZ
-40 to +85
10 Ld 3x3 DFN (Pb-Free)
L10.3x3
ISL6613IRZ-T (Notes 1, 2) 13IZ
-40 to +85
10 Ld 3x3 DFN (Pb-Free)
L10.3x3
NOTES:
1. Please refer to TB347 for details on reel specifications.
2. 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.
3. For Moisture Sensitivity Level (MSL), please see device information page for ISL6612, ISL6613. For more information on MSL please see
techbrief TB363.
FN9153 Rev 9.00
June 15, 2010
Page 2 of 12


Part Number ISL6612
Description Advanced Synchronous Rectified Buck MOSFET Drivers
Maker Renesas
Total Page 12 Pages
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