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參數資料
型號: IR3082MTR
廠商: International Rectifier
英文描述: XPHASE AMD OPTERON/ATHLON 64 CONTROL IC
中文描述: XPHASE AMD皓龍/速龍64控制IC
文件頁數: 1/33頁
文件大小: 444K
代理商: IR3082MTR
Data Sheet No. PD94710
Page 1 of 1
12/17/04
IR3082
XPHASE
TM
AMD OPTERON
TM
/ATHLON 64
TM
CONTROL IC
DESCRIPTION
The IR3082 Control IC combined with an IR
XPhase
TM
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
XPhase
TM
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 MLPQ package
APPLICATION CIRCUIT
5 Wire Analog Bus
(to PHASE ICs)
VSS SENSE
VCC SENSE
POWER GOOD
10
C
S
S
E
L
0.1uF
ROCSET
R
O
S
C
RVFB
0.1uF
RVDRP
ENABLE
IR3082
CONTROL
IC
VID0
1
VID1
2
VID2
3
VID3
4
VID4
5
W
R
G
D
1
V
O
S
N
S
6
V
D
A
C
8
S
S
E
L
1
R
O
S
C
7
E
N
A
B
L
2
R
M
P
O
U
T
1
L
N
D
1
VCC
15
VBIAS
14
EAOUT
13
FB
12
VDRP
11
IN
1
O
C
S
E
T
9
CVDAC
VID3
VID4
VID0
VID1
VID2
12V
RVDAC
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相關代理商/技術參數
參數描述
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