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IR5001STRPBF Datasheet(PDF) 1 Page - International Rectifier

Part No. IR5001STRPBF
Description  UNIVERSAL ACTIVE ORING CONTROLLER
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IR5001STRPBF Datasheet(HTML) 1 Page - International Rectifier

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IR5001S & (PbF)
1
www.irf.com
UNIVERSAL ACTIVE ORING CONTROLLER
Data Sheet No.PD60229 revB
F 1 - Typical application of the IR5001S in - 48V input, carrier class telecommunications equipment.
TYPICAL APPLICATION
APPLICATIONS
+48V input
-48V input B
-48V input A
IR5001
Vline
Vcc
FETch
INP
INN
Gnd
Vout
FETst
IR5001
DC
DC
FET Check Pulse
FET A Status
Fet B Status
A
B
Vline
Vcc
FETch
FETst
Vout
Gnd
INN
INP
FEATURES
DESCRIPTION
The IR5001S is a universal high-speed controller and
N-channel power MOSFET driver for Active ORing and
reverse polarity protection applications. The output voltage
of the IR5001S is determined based on the polarity of the
voltage difference on its input terminals. In particular, if the
current flow through an N-channel ORing FET is from
source to drain, the output of the IR5001S will be pulled
high to Vcc, thus turning the Active ORing FET on. If the
current reverses direction and flows from drain to source
(due to a short-circuit failure of the source, for example),
the IC will quickly switch the Active ORing FET off. Typical
turn-off delay for the IR5001S is only 130nS, which helps
to minimize voltage sags on the redundant dc voltage.
Both inputs to the IC (INN and INP) as well as Vline
input contain integrated high voltage resistors and internal
clamps. This makes the IR5001S suitable for applications
at voltages up to 100V, and with a minimum number of
external components.
Controller / driver IC in an SO-8 package for
implementation of Active ORing / reverse polarity
protection using N-channel Power MOSFETs
Suitable for both input ORing (for carrier class
telecom equipment) as well as output ORing for
redundant DC-DC and AC-DC power supplies
130ns Typical Turn-Off delay time
3A Peak Turn-Off gate drive current
Asymmetrical offset voltage of the internal high-speed
comparator prevents potential oscillations at light load
Ability to withstand continuous gate short conditions
Integrated voltage clamps on both comparator inputs
allow continuous application of up to 100V
Option to be powered either directly from 36-75V
universal telecom bus (100V max), or from an
external bias supply and bias resistor
Input/Output pins to determine the state of the Active
ORing circuit and power system redundancy
-48V/-24V Input Active ORing for carrier
class com m unication equipm ent
Reverse input polarity protection for
DC-DC power supplies
24V/48V output active ORing for
redundant AC-DC rectifiers
Low output voltage (12V, 5V, 3.3V...)
active ORing for redundant DC-DC
and AC-DC power supplies
Active ORing of multiple voltage
regulators for redundant processor
power
θJA=128°C/W
INP
Vout
Gnd
INN
Vline
4
3
2
1
5
6
7
8
FETst
Vcc
FETch
Top View
PACKAGE / ORDERING INFORMATION
PKG
PART
LEADFREE
PIN
PARTS
PARTS
T & R
DESIG.
NUMBER
PART NUMBER COUNT PER TUBE PER REEL Oriantation
S
IR5001S
IR5001SPbF
8
95
------
S
IR5001STR
IR5001STRPbF
8
-------
2500
Fig A


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