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ISL6140IB

Description
Negative Voltage Hot Plug Controller
File Size863KB,20 Pages
ManufacturerIntersil ( Renesas )
Websitehttp://www.intersil.com/cda/home/
Download Datasheet View All

ISL6140IB Overview

Negative Voltage Hot Plug Controller

DATASHEET
ISL6140, ISL6150
Negative Voltage Hot Plug Controller
The ISL6140 is an 8 Ld, negative voltage hot plug
controller that allows a board to be safely inserted and
removed from a live backplane. Inrush current is
limited to a programmable value by controlling the
gate voltage of an external N-channel pass transistor.
The pass transistor is turned off if the input voltage is
less than the undervoltage threshold, or greater than
the overvoltage threshold. A programmable electronic
circuit breaker protects the system against shorts. The
active low PWRGD signal can be used to directly enable
a power module (with a low enable input)
The ISL6150 is the same part, but with an active high
PWRGD signal.
FN9039
Rev 5.00
December 3, 2015
Features
• Low Side External NFET Switch
• Operates from -10V to -80V (-100V absolute max
rating) or +10V to +80V (+100V absolute max
rating)
• Programmable Inrush Current
• Programmable Electronic Circuit Breaker
(overcurrent shutdown)
• Programmable Overvoltage Protection
• Programmable Undervoltage Lockout
• Power Good Control Output
- PWRGD Active High: (H Version) ISL6150
- PWRGD active Low: (L Version) ISL6140
• Pb-free available (RoHS compliant)
Applications
• VoIP (Voice over Internet Protocol) Servers
• Telecom systems at -48V
• Negative Power Supply Control
• +24V Wireless Base Station Power
Related Literature
• ISL6140/50EVAL1 Board Set, AN9967
• ISL6116 Hot Plug Controller, FN9100
NOTE: See www.intersil.com/hotplug for more information.
Typical Application
GND
R
4
UV
R
5
OV
R
6
NOTE: (RL and CL are the Load)
V
EE
SENSE
GATE
C
1
R
3
DRAIN
C
2
R
L
-48V IN
R
1
Q
1
-48V
OUT
(LOAD)
C
L
GND
V
DD
ISL6140
PWRGD
R
2
R
5
= 9.09k (1%)
R
6
= 10k (1%)
C
1
= 150nF (25V)
R
2
= 10 (5%)
R
3
= 18k (5%)
R
4
= 562k (1%)
C
2
= 3.3nF (100V)
Q
1
= IRF530 (100V, 17A, 0.11)
R
1
= 0.02 (1%)
C
L
= 100µF (100V)
FN9039 Rev 5.00
December 3, 2015
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