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ISL6117
Power Distribution Controllers

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Description

This family of fully featured hot swap power controllers  targets applications in the +2.5V to +12V range. The  ISL6115 is for +12V control, ISL6117 for +3.3V and the ISL6120 for +2.5V control  applications. Each has a hard wired undervoltage (UV)  monitoring and reporting threshold level approximately 80%  of the aforementioned voltage.

The ISL6115 has an integrated charge pump allowing  control of up to +16V rails using an external N-Channel  MOSFET whereas the other devices utilize the +12V bias  voltage to fully enhance the N-channel pass FET. All ICs  feature programmable overcurrent (OC) detection, current  regulation (CR) with time delay to latch off and soft start.

The current regulation level is set by 2 external resistors;  RISET  sets the CR Vth and the other is a low ohmic sense  element across which the CR Vth is developed. The CR  duration is set by an external capacitor on the CTIM pin  which is charged with a 20μA current once the CR Vth level  is reached. If the voltage on the CTIM cap reaches 1.9V the  IC then quickly pulls down the GATE output latching off the  pass FET.

This family although designed for high side switch control  the ISL6116, ISL6117, ISL6120 can also be used in a low  side configuration for control of much higher voltage  potentials.

Application

● Power Distribution Control
●  Hot Plug Components and Circuitry

Specifications

VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  -0.3V to +16V
GATE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to V DD+8V
ISEN, PGOOD, PWRON, CTIM, ISET. . . . . . .......  -0.3V to VDD+ 0.3V
ESD Classification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5kV
Operating Conditions
VDD  Supply Voltage Range. . . . . . . . . . . . . . . . . . . .  . +12V ±15%
Temperature Range (TA ) . . . . . . . . . . . . . . . . . . . . . 0°C to 85°C

Features

● HOT SWAP Single Power Distribution Control (ISL6115
   for +12V, ISL6116 for +5V, ISL6117 for +3.3V and ISL6120
   for +2.5V)
● Overcurrent Fault Isolation
● Programmable Current Regulation Level
● Programmable Current Regulation Time to Latch-Off
● Rail to Rail Common Mode Input Voltage Range (ISL6115)
● Internal Charge Pump Allows the use of N-Channel
   MOSFET for +12V control (ISL6115)
● Undervoltage and Overcurrent Latch Indicators
● Adjustable Turn-On Ramp
●Protection During Turn On
●Two Levels of Overcurrent Detection Provide Fast
   Response to Varying Fault Conditions
●1μs Response Time to Dead Short
●Pb-Free Packages Available
● Tape & Reel Packing with ‘-T’ Part Number Suffix

Pinout

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Datasheet

Size: 363.88KB
Page: 12
PDF: ISL6117.pdf
  • Description:
    Power Distribution Controllers
  • MFG:
    INTERSIL [Intersil Corporation]
 

Abstract


1
?
FN9100.1
ISL6115, ISL6116, ISL6117, ISL6120
Power Distribution Controllers
This family of fully featured hot swap power controllers
targets applications in the +2.5V to +12V range. The
ISL6115 is for +12V control, the ISL6116 for +5V, the
ISL6117 for +3.3V and the ISL6120 for +2.5V control
applications. Each has a hard wired undervoltage (UV)
monitoring and reporting threshold level approximately 80%
of the aforementioned voltage.
The ISL6115 has an integrated charge pump allowing
control of up to +16V rails using an external N-Channel
MOSFET whereas the other devices utilize the +12V bias
voltage to fully enhance the N-channel pass FET. All ICs
feature programmable overcurrent (OC) detection, current
regulation (CR) with time delay to latch off and soft start.
The current regulation level is set by 2 external resistors;
R
ISET
sets the CR Vth and the other is a low ohmic sense
element across which the CR Vth is developed. The CR
duration is set by an external capacitor on the CTIM pin
which is charged with a 20?A current once the CR Vth level
is reached. If the voltage on the CTIM cap reaches 1.9V the
IC then quickly pulls down the GATE output latching off the
pass FET.
This family although designed for high side switch control
the ISL6116, ISL6117, ISL6120 can also be used in a low
side configuration for control of much higher voltage
potentials.
Features
? HOT SWAP Single Power Distribution Control (ISL6115
for +12V, ISL6116 for +5V, ISL6117 for +3.3V and ISL6120
for +2.5V)
? Overcurrent Fault Isolation
? Programmable Current Regulation Level
? Programmable Current Regulation Time to Latch-Off
? Rail to Rail Common Mode Input Voltage Range (ISL6115)
? Internal Charge Pump Allows the use of N-Channel
MOSFET for +12V control (ISL6115)
? Undervoltage and Overcurrent Latch Indicators
? Adjustable Turn-On Ramp
? Protection During Turn On
? Two Levels of Overcurrent Detection Provide Fast
Response to Varying Fault Conditions
? 1?s Response Time to Dead Short
? Pb-Free Packages Available
? Tape & Reel Packing with ‘-T’ Part Number Suffix
Applications
? Power Distribution Control
? Hot Plug Components and Circuitry
Pinout
ISL6115, ISL6116, ISL6117, ISL6120 (SOIC)
TOP VIEW
Ordering Information
PART NUMBER
TEMP.
RANGE (°C) PACKAGE
PKG.
DWG. #
ISL6115CB 0 to 85 8 Lead SOIC M8.15
ISL6116CB 0 to 85 8 Lead SOIC M8.15
ISL6117CB 0 to 85 8 Lead SOIC M8.15
ISL6120CB 0 to 85 8 Lead SOIC M8.15
ISL6115CBZA
(Note)
0 to 85 8 Lead SOIC
(Pb-free)
M8.15
ISL6116CBZA
(Note)
0 to 85 8 Lead SOIC
(Pb-free)
M8.15
ISL6117CBZA
(Note)
0 to 85 8 Lead SOIC
(Pb-free)
M8.15
ISL6120CBZA 0 to 85 8 Lead SOIC
(Pb-free)
M8.15
NOTE: Intersil Pb-free products employ special Pb-free material
sets; molding compounds/die attach materials and 100% matte tin
plate termination finish, which is 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-020B.
ISET
ISEN
GATE
VSS
1
2
3
4
8
7
6
5
PWRON
PGOOD
CTIM
VDD
Data Sheet March 2004
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright ? Intersil Americas Inc. 2004. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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