IR3084U Datasheet, PDF (4/47 Pages) International Rectifier – XPHASETM VR10, VR11 & OPTERON/ATHLON64 CONTROL IC

IR3084U
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over: 9.5V ≤ V_CC ≤ 16V, −0.3V ≤ VOSNS- ≤ 0.3V,
0 ^oC ≤ T_J ≤ 100 ^oC, ROSC = 24kΩ, CSS/DEL = 0.1μF ±10%
PARAMETER
TEST CONDITION
MIN
VDAC REFERENCE
VR10/VR11 System Set-Point
Accuracy (Deviation from
Tables 1 & 2 per test circuit in
Figure 1 which emulates in-VR
operation)
VID ≥ 1V, 10kΩ≤ROSC≤100kΩ,
25 ^oC ≤ T_J ≤ 100 ^oC
0.8V ≤ VID < 1V, 10kΩ≤ROSC≤100kΩ,
25 ^oC ≤ T_J ≤ 100 ^oC
−0.5
−5
Opteron/Athlon64 System Set-
Point Accuracy
25 ^oC ≤ T_J ≤ 100 ^oC
−1
Source Current
Includes OCSET and VSETPT currents 104
Sink Current
Includes OCSET and VSETPT currents 92
VR10/VR11 VIDx Input
Threshold
500
Opteron/Athlon64 VIDx Input
Threshold
1.04
VIDx Input Bias Current
0V < VIDx < VCC
−5
VIDx 11111x Blanking Delay Measure Time till VRRDY drives low
0.5
VIDSEL Pull up Voltage
VIDSEL Floating
1.95
VIDSEL Pull up Resistor
2.25
VIDSEL VR10/Opteron
Threshold
VIDSEL “LOW”
0.5
VIDSEL Opteron Voltage
6.49K from VIDSEL to GND
0.9
VIDSEL Opteron/VR11
Threshold
1.8
ERROR AMPLIFIER
Input Offset Voltage
Measure V(FB) – V(VSETPT) per test
circuit in Figure 1. Applies to all VID
−5
codes. Note 2.
FB Bias Current
−1
VSETPT Bias Current
VR10/VR11 Mode
48.5
VSETPT Bias Current
Opteron/Athlon64 Mode
−54
DC Gain
Note 1
90
Gain Bandwidth Product
Note 1
6
Corner Frequency
45 deg Phase Shift, Note 1
Slew Rate
Note 1
1.4
Source Current
−1.2
Sink Current
0.5
Max Voltage
Min Voltage
VBIAS–VEAOUT (referenced to
VBIAS)
150
Normal operation or Fault mode
30
TYP MAX UNIT
0.5
%
+5
mV
1
%
113 122
μA
100 108
μA
600
700
mV
1.24 1.44
V
0
5
μA
1.3
2.1
μs
2.4 2.85
V
4.5
9
KΩ
0.6
0.7
V
1.3
1.7
V
1.95
2.1
V
0.0
−0.1
51
−47
100
10
200
3.2
−0.7
1.1
350
125
5
0.5
53.5
−39
110
400
5
−0.35
1.7
600
200
mV
μA
μA
μA
dB
MHz
Hz
V/μs
mA
mA
mV
mV
Page 4 of 47
9/14/2005