ISL6610 INTERSIL [Intersil Corporation], ISL6610 Datasheet

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ISL6610

Manufacturer Part Number
ISL6610
Description
Dual Synchronous Rectified MOSFET Drivers
Manufacturer
INTERSIL [Intersil Corporation]
Datasheet

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Part Number:
ISL6610CBZ
Manufacturer:
INTERSIL
Quantity:
20 000
Part Number:
ISL6610CBZ-T
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Dual Synchronous Rectified MOSFET
Drivers
The ISL6610, ISL6610A integrates two ISL6609, ISL6609A
drivers with enable function removed and is optimized to
drive two independent power channels in a synchronous-
rectified buck converter topology. These drivers, combined
with an Intersil ISL63xx or ISL65xx multiphase PWM
controller, form a complete high efficiency voltage regulator
at high switching frequency.
The IC is biased by a single low voltage supply (5V),
minimizing driver switching losses in high MOSFET gate
capacitance and high switching frequency applications.
Each driver is capable of driving a 3nF load with less than
10ns rise/fall time. Bootstrapping of the upper gate driver is
implemented via an internal low forward drop diode,
reducing implementation cost, complexity, and allowing the
use of higher performance, cost effective N-Channel
MOSFETs. Adaptive shoot-through protection is integrated
to prevent both MOSFETs from conducting simultaneously.
The ISL6610, ISL6610A features 4A typical sink current for
the lower gate driver, enhancing the lower MOSFET gate
hold-down capability during PHASE node rising edge,
preventing power loss caused by the self turn-on of the lower
MOSFET due to the high dV/dt of the switching node.
The ISL6610, ISL6610A also features an input that
recognizes a high-impedance state, working together with
Intersil multiphase PWM controllers to prevent negative
transients on the controlled output voltage when operation is
suspended. This feature eliminates the need for the schottky
diode that may be utilized in a power system to protect the
load from negative output voltage damage.
In addition, the ISL6610As bootstrap function is designed to
prevent the BOOT capacitor from overcharging, should
excessively large negative swings occur at the transitions of
the PHASE node.
Applications
• Core Voltage Supplies for Intel® and AMD®
• High Frequency Low Profile High Efficiency DC/DC
• High Current Low Voltage DC/DC Converters
• Synchronous Rectification for Isolated Power Supplies
Microprocessors
Converters
®
1
AMD® is a registered trademark of Advanced Micro Devices, Inc. All other trademarks mentioned are the property of their respective owners.
Data Sheet
1-888-INTERSIL or 1-888-468-3774
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Features
• 5V Quad N-Channel MOSFET Drives for Two
• Pin-to-pin Compatible with ISL6614 (12V Drive)
• Adaptive Shoot-Through Protection
• 0.4Ω On-Resistance and 4A Sink Current Capability
• Supports High Switching Frequency
• BOOT Capacitor Overcharge Prevention (ISL6610A)
• Low V
• Power-On Reset
• QFN Package
• Pb-Free Plus Anneal Available (RoHS Compliant)
Related Literature
• Technical Brief TB389 “PCB Land Pattern Design and
• Technical Brief TB363 “Guidelines for Handling and
Ordering Information
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.
ISL6610CBZ
ISL6610CRZ
ISL6610IBZ
ISL6610IRZ
ISL6610ACBZ 6610ACBZ
ISL6610ACRZ 66 10ACRZ
ISL6610AIBZ
ISL6610AIRZ
November 22, 2006
Synchronous Rectified Bridges
- Fast Output Rise and Fall
- Low Tri-State Hold-Off Time
- Compliant to JEDEC PUB95 MO-220 QFN-Quad Flat
- Near Chip-Scale Package Footprint; Improves PCB
Surface Mount Guidelines for QFN (MLFP) Packages”
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
NUMBER
(Note)
No Leads-Product Outline
Utilization, Thinner Profile
PART
F
Internal Bootstrap Diode
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
6610CBZ
66 10CRZ
6610IBZ
66 10IRZ
6610AIBZ
66 10AIRZ
MARKING
PART
Copyright Intersil Americas Inc. 2006. All Rights Reserved
ISL6610, ISL6610A
-40 to +85 14 Ld SOIC
-40 to +85 16 Ld 4x4 QFN L16.4x4
-40 to +85 14 Ld SOIC
-40 to +85 16 Ld 4x4 QFN L16.4x4
0 to +70
0 to +70
0 to +70
0 to +70
RANGE
TEMP.
(°C)
14 Ld SOIC
16 Ld 4x4 QFN L16.4x4
14 Ld SOIC
16 Ld 4x4 QFN L16.4x4
PACKAGE
(Pb-Free)
FN6395.0
M14.15
M14.15
M14.15
M14.15
DWG. #
PKG.

Related parts for ISL6610

ISL6610 Summary of contents

Page 1

... N-Channel MOSFETs. Adaptive shoot-through protection is integrated to prevent both MOSFETs from conducting simultaneously. The ISL6610, ISL6610A features 4A typical sink current for the lower gate driver, enhancing the lower MOSFET gate hold-down capability during PHASE node rising edge, preventing power loss caused by the self turn-on of the lower MOSFET due to the high dV/dt of the switching node ...

Page 2

... SHOOT- THROUGH PROTECTION PVCC PGND R BOOT PVCC SHOOT- THROUGH PROTECTION PGND FOR ISL6610CR/10ACR, THE PAD ON THE BOTTOM SIDE OF PAD THE QFN PACKAGE MUST BE SOLDERED TO THE CIRCUIT’S GROUND. ) AVAILABLE ONLY IN ISL6610A BOOT ISL6610, ISL6610A (16 LD QFN) TOP VIEW GND ...

Page 3

... Typical Application - Multiphase Converter Using ISL6610 Gate Drivers COMP FB V VSEN CC ISEN1 PWM1 PGOOD EN PWM2 ISEN2 MAIN CONTROL ISL65xx VID ISEN3 FS/DIS PWM3 PWM4 GND ISEN4 3 ISL6610, ISL6610A BOOT1 +5V UGATE1 VCC PHASE1 LGATE1 +5V DUAL PVCC DRIVER ISL6610 +5V BOOT2 UGATE2 PWM1 PHASE2 ...

Page 4

... UGATE Rise Time LGATE Rise Time UGATE Fall Time LGATE Fall Time UGATE Turn-Off Propagation Delay LGATE Turn-Off Propagation Delay 4 ISL6610, ISL6610A Thermal Information Thermal Resistance (Typical) SOIC Package (Note QFN Package (Notes 2 and 3 -0. (DC) Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . +150°C -0. (< ...

Page 5

... Connect this pin to a +5V bias supply. It supplies power to internal analog circuits. Place a high quality low ESR ceramic capacitor from this pin to GND PAD Connect this pad to the power ground plane (GND) via thermally enhanced connection. 5 ISL6610, ISL6610A = -40°C to +85°C, unless otherwise noted (Continued) A SYMBOL TEST CONDITIONS t Outputs Unloaded ...

Page 6

... MOSFET due to high dV/dt of the switching node. Tri-State PWM Input A unique feature of the ISL6610, ISL6610A is the adaptable ] tri-state PWM input. Once the PWM signal enters the FL shutdown window, either MOSFET previously conducting is turned off ...

Page 7

... IC beyond the maximum recommended operating junction temperature of +125°C. The maximum allowable IC power dissipation for 7 ISL6610, ISL6610A the SO14 package is approximately 1W at room temperature, while the power dissipation capacity in the QFN packages, with an exposed heat escape pad, is around 2W ...

Page 8

... NEGATIVE PHASE SPIKE 2 The selection of D -PAK, or D-PAK packaged MOSFETs much better match (for the reasons discussed) for the ISL6610A with a phase resistor, as shown in Figure 5. Low- 8 ISL6610, ISL6610A profile MOSFETs, such as Direct FETs and multi-SOURCE leads devices (SO-8, LFPAK, PowerPAK), have low parasitic ...

Page 9

... PCB capacitances are also not taken into account. These equations are provided for guidance purpose only. Therefore, the actual coupling effect should be examined using a very high impedance (10MΩ or greater) probe to ensure a safe design margin. 9 ISL6610, ISL6610A dV ⋅ V ------- GS_MILLER ...

Page 10

... Quad Flat No-Lead Plastic Package (QFN) Micro Lead Frame Plastic Package (MLFP) 10 ISL6610, ISL6610A L16.4x4 16 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE (COMPLIANT TO JEDEC MO-220-VGGC ISSUE C) SYMBOL MIN 0. θ - NOTES: 1. Dimensioning and tolerancing conform to ASME Y14.5-1994. ...

Page 11

... However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 11 ISL6610, ISL6610A M14.15 (JEDEC MS-012-AB ISSUE C) 14 LEAD NARROW BODY SMALL OUTLINE PLASTIC ...

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