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International Rectifier Electronic Components Datasheet

IR3082 Datasheet

XPHASE AMD OPTERON/ATHLON 64 CONTROL IC

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Data Sheet No. PD94710
IR3082
XPHASETM AMD OPTERONTM/ATHLON 64TM CONTROL IC
DESCRIPTION
The IR3082 Control IC combined with an IR XPhaseTM Phase IC provides a full featured and flexible way
to implement a complete Opteron or Athlon64 power solution. The “Control” IC provides overall system
control and interfaces with any number of “Phase ICs” which each drive and monitor a single phase of a
multiphase converter. With simple 5 bit voltage programming and a few external components, the IR3082
is also well suited for general purpose multiphase applications. The XPhaseTM architecture results in a
power supply that is smaller, less expensive, and easier to design while providing higher efficiency than
conventional approaches.
FEATURES
5 bit VID with 1% overall system set point accuracy
Programmable Dynamic VID Slew Rate
+/-300mV Differential Remote Sense
Programmable 150kHz to 1MHz oscillator
Programmable VID Offset and Load Line output impedance
Programmable Softstart
Programmable Hiccup Over-Current Protection with Delay to prevent false triggering
Simplified Power Good output provides indication of proper operation and avoids false triggering
Operates from 12V input with 9.75V Under-Voltage Lockout
7.0V/5mA Bias Regulator provides System Reference Voltage
Small thermally enhanced 20L MLPDQaptaaSckhaegeet4U.com
DataShee
APPLICATION CIRCUIT
12V
ENABLE
VID0
VID1
VID2
VID3
VID4
10 0.1uF
CDSSEL/
20 19 18 17 16
IR30821
2
VID0 NEABEL
VID1
GD
R
WP
DSSEL/
OUPT
MR
GNDL VCC
VBIAS
15
14
3 VID2 CONTROL EAOUT 13
IC4 VID3
FB 12
5
VID4 ONVSS-
CS
OR
DCVA
SET
OC
VDRP
NII
11
6 7 8 9 10
ORCS ROCSET
0.1uF
RVDRP
RVDAC
CVDAC
RVFB
DataSheet4U.com Page 1 of 1
POWER GOOD
5 Wire Analog Bus
(to PHASE ICs)
VCC SENSE
VSS SENSE
12/17/04
DataSheet4 U .com
DataSheet4U.com


International Rectifier Electronic Components Datasheet

IR3082 Datasheet

XPHASE AMD OPTERON/ATHLON 64 CONTROL IC

No Preview Available !

www.DataSheet4U.com
IR3082
ORDERING INFORAMATION
* Samples only
Device
IR3082MTR
* IR3082M
Order Quantity
3000 per reel
100 piece strips
ABSOLUTE MAXIMUM RATINGS
Operating Junction Temperature……………..150oC
Storage Temperature Range………………….-65oC to 150oC
ESD Rating………………………………………HBM Class 1C JEDEC standard
et4U.com
PIN #
1-5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
PIN NAME
VID0-4
VOSNS-
ROSC
VDAC
OCSET
IIN
VDRP
FB
EAOUT
VBIAS
VCC
LGND
RMPOUT
SS/DEL
PWRGD
ENABLE
VMAX
20V
VMIN
-0.3V
0.5V
-0.5V
20V -0.5V
20V DataSheet4U-.c0o.3mV
20V -0.3V
20V -0.3V
20V -0.3V
20V -0.3V
10V -0.3V
20V -0.3V
20V -0.3V
n/a n/a
20v -0.3V
20V -0.3V
20V -0.3V
20V -0.3V
ISOURCE
1mA
10mA
1mA
1mA
1mA
1mA
5mA
1mA
20mA
50mA
1mA
50mA
1mA
1mA
1mA
1mA
ISINK
1mA
10mA
1mA
1mA
1mA
1mA
5mA
1mA
20mA
10mA
50mA
1mA
1mA
1mA
20mA
1mA
DataShee
DataSheet4U.com Page 2 of 2
DataSheet4 U .com
12/17/04
DataSheet4U.com


Part Number IR3082
Description XPHASE AMD OPTERON/ATHLON 64 CONTROL IC
Maker International Rectifier
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IR3082 Datasheet PDF






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