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IR3082AM-IR3082AMPBF-IR3082AMTRPBF
A full featured and flexible way to implement a complete an 9.6V AMD power solution.
International
19R Rectifier IR3082A
DATA SHEET
9.6V AMD XPHASETM CONTROL IC
DESCRIPTION
The IR3082A Control IC combined with an IR XPhaseTM Phase IC provides a full featured and flexible way
to implement a 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 IR3082A is also well suited for
general purpose multiphase applications. The XPhalseTM architecture results in a power supply that is
smaller, less expensive, and easier to design while providing higher efficiency than conventional
approaches.
FEATURES
q 5 bit VID with 1% overall system set point accuracy
q Programmable Dynamic VID Slew Rate
. +/-300mV Differential Remote Sense
q Programmable 150kHz to 1MHz oscillator
o Programmable VID Offset and Load Line output impedance
. Programmable Softstart
o Programmable Hiccup Over-Current Protection with Delay to prevent false triggering
q Simplified Power Good output provides indication of proper operation and avoids false triggering
. Operates from 12V input with 8.25V Under-Voltage Lockout
o 6.3V/1mA Bias Regulator provides System Reference Voltage
q Small thermally enhanced 20L MLPQ package
APPLICATION CIRCUIT
10 ohm
0.1uF -
POWERGOOrr=-
ENABLE
">-ci 1, __W
18 I ICSS/DEL
5 g d 's g
E g ii, f 2
VIDO =r-1smoo E n. m g VCC 15
VID1 =>-2vol IR3082A ms 14 Ci VBIAS
VID2 =-3vo2 CONTROL EAOUT 13 Rep COP C] EA
VID3 =s-4vo3 IC FB 12
VID4 =r-5vo4 g o o tr, VDRP 11 RDRP1 CDRP COLL smre Analog Bus
b' Cc,'; if, l' E RDRP _ TC ISHARE to PhaselCs
ROCSET
HOSCiRVDAC
RFBI RFB
T"" VOSENSE+ Remote Sense
Page 1 of 33 05/02/2006
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International
TOR Rectifier IR3082AI
ORDERING INFORAMATION
Device Order Quantity
lR3082AMTRPbF 3000 per reel
* IF13082AMPbF 100 piece strips
* Samples only
ABSOLUTE MAXIMUM RATINGS
Stresses beyond those listed below may cause permanent damage to the device. These are stress
ratings only and functional operation of the device at these or any other conditions beyond those
indicated in the operational sections of the specifications are not implied.
Operating Junction Temperature ................. 0 to 150°C
Storage Temperature Range ....................... -65°C to 150°C
ESD Rating ............................................. HBM Class IB JEDEC standard
MSL Rating ............................................. 2
Reflow Temperature .................................. 260°C
PIN # PIN NAME VMAX lsounce
1-5 VIDO-4 20V 1mA
VOSNS- 0.5V 10mA
ROSC 20V 1mA
VDAC 20V 1mA
OCSET 20V 1mA
IIN 20V 1mA
VDRP 20V 5mA
FB 20V 1mA
EAOUT 10V 20mA
VBIAS 20V 50mA
VCC 20V 1mA
LGND n/a 50mA
RMPOUT 20v 1mA
SS/DEL 20V 1mA
PWRGD 20V 1mA
ENABLE 20V 1mA
Page 2 of 33 05/02/2006
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