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Intersil Corporation - 100V Triple Linear Bias Supply

Numéro de référence ISL6720A
Description 100V Triple Linear Bias Supply
Fabricant Intersil Corporation 
Logo Intersil Corporation 





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ISL6720A fiche technique
®
Data Sheet
August 23, 2007
ISL6720A
FN6487.1
100V Triple Linear Bias Supply
The ISL6720A is a low cost linear regulator for generating a
low voltage bias supply from intermediate distributed
voltages commonly used in telecom and datacom
applications. It produces three separate outputs, an
adjustable 0V to 20V output rated at up to 125mA which can
be back-biased from an external source such as an auxiliary
transformer winding, a 50mA switched regulated output
adjustable between 0V and 15V, and a fixed continuous 5V
output rated at 25mA.
The ISL6720A may be used as a start-up or a continuous
low power regulator. When operating as a start-up regulator,
it is capable of sourcing over 100mA from a 100V source for
short durations. This period of time allows the power supply
to start-up and provide a low voltage alternate power source,
such as the output of a transformer winding, to the VIO
output. This allows the remaining outputs to be operated
from a lower source voltage thereby minimizing power loss.
Ordering Information
PART
NUMBER
(Note)
PART
MARKING
TEMP.
RANGE
(°C)
PACKAGE
(Pb-Free)
PKG.
DWG.
#
ISL6720AARZ* 67 20AARZ -40 to +105 11 Ld DFN L11.4x4
*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.
Features
• 100V Input Capability
• Adjustable Auxiliary Winding Regulator with 40V
Withstand Capability
• Up to 125mA Combined Output Current on Switched and
Unswitched Outputs
• 250μs Delayed Start (VIO, VSW) after Continuous
(VCONT) Output
• Regulated Switched (VSW) and Unswitched Outputs
(VIO)
• 5V @ 25mA Continuous Output (VCONT)
• 2-Stage Over-Temperature Protection
• Package Compliant with IPC2221A, Creepage and
Clearance Spacing Requirements
• Pb-Free Available (RoHS Compliant)
Applications
• Telecom/Datacom DC/DC Converters
• Low Power Bias Supplies
Pinout
ISL6720A
(11 LD DFN)
TOP VIEW
VPWR 1
VCONT 2
VCOMP 3
GND 4
VSWADJ 5
11 VIO
10 NC
9 VADJ
8 VSW
7 VSWCOMP
6 ENABLE
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. 2007. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.

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