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ISL6721AVZ Datasheet(PDF) 1 Page - Intersil Corporation

Part # ISL6721AVZ
Description  Flexible Single-ended Current Mode PWM Controller
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL6721AVZ Datasheet(HTML) 1 Page - Intersil Corporation

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1
®
FN9110.6
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. 2003-2005, 2007, 2008. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.
ISL6721
Flexible Single-ended Current Mode PWM
Controller
The ISL6721 is a low power, single-ended pulse width
modulating (PWM) current mode controller designed for a
wide range of DC/DC conversion applications including
boost, flyback, and isolated output configurations. Peak
current mode control effectively handles power transients
and provides inherent overcurrent protection. Other features
include a low power mode where the supply current drops to
less than 200µA during overvoltage and overcurrent
shutdown faults.
This advanced BiCMOS design features low operating
current, adjustable operating frequency up to 1MHz,
adjustable soft-start, and a bi-directional SYNC signal that
allows the oscillator to be locked to an external clock for
noise sensitive applications.
Features
• 1A MOSFET Gate Driver
• 100µA Startup Current
• Fast Transient Response with Peak Current Mode Control
• Adjustable Switching Frequency up to 1MHz
• Bi-directional Synchronization
• Low Power Disable Mode
• Delayed Restart from OV and OC Shutdown Faults
• Adjustable Slope Compensation
• Adjustable Soft-start
• Adjustable Overcurrent Shutdown Delay
• Adjustable UV and OV Monitors
• Leading Edge Blanking
• Integrated Thermal Shutdown
• 1% Tolerance Voltage Reference
• Pb-Free Available (RoHS Compliant)
Applications
• Telecom and Datacom Power
• Wireless Base Station Power
• File Server Power
• Industrial Power Systems
• Isolated Buck and Flyback Regulators
• Boost Regulators
Pinout
ISL6721
(16 LD SOIC, TSSOP)
TOP VIEW
Ordering Information
PART
NUMBER
PART
MARKING
TEMP
RANGE (°C)
PACKAGE
PKG.
DWG. #
ISL6721AB*
ISL6721AB
-40 to +105 16 Ld SOIC
(150 mil)
M16.15
ISL6721ABZ*
(Note)
6721ABZ
-40 to +105 16 Ld SOIC
(150 mil)
(Pb-Free)
M16.15
ISL6721AV*
ISL67 21AV
-40 to +105 16 Ld TSSOP
(4.4mm)
M16.173
ISL6721AVZ*
(Note)
ISL67 21AVZ -40 to +105 16 Ld TSSOP
(4.4mm)
(Pb-free)
M16.173
*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.
GATE
ISENSE
SYNC
SLOPE
UV
OV
RTCT
VC
PGND
VCC
VREF
LGND
SS
COMP
1
2
3
4
5
6
7
16
15
14
13
12
11
10
8
9
ISET
FB
Data Sheet
March 5, 2008


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