ir3084u International Rectifier Corp., ir3084u Datasheet - Page 5

• Manufacturer Part Number: ir3084u
• Description: Xphasetm Vr10, Vr11 & Opteron/athlon64 Control Ic
• Manufacturer: International Rectifier Corp.

CURRENT SENSE INPUT
IIN BIAS CURRENT
IIN Preconditioning Pull-Down
Resistance
IIN Preconditioning RESET
Threshold
IIN Preconditioning SET
Threshold
VDRP BUFFER AMPLIFIER
Input Offset Voltage
Source Current
Sink Current
Bandwidth (-3dB)
Slew Rate
VBIAS REGULATOR
Output Voltage
Current Limit
OVER-CURRENT COMPARATOR
Input Offset Voltage
OCSET Bias Current
SOFT START AND DELAY
Start Delay (TD1)
Soft Start Time (TD2)
VID Sample Delay (TD3)
DVID Slew Time & VRRDY
Delay (TD4+TD5)
PowerGood Delay
OC Delay Time
SS/DEL to FB Input Offset
Voltage
SS/DEL Charge Current
SS/DEL Discharge Current
Charge/Discharge Current
Ratio
OC Discharge Current
Charge Voltage
OC/VRRDY Delay Comparator
Threshold
OC/VRRDY Delay Comparator
Threshold
Delay Comparator Hysteresis
VID Sample Delay
Comparator Threshold
SS/DEL Discharge
Comparator Threshold
Page 5 of 47
PARAMETER
V(SS/DEL) > 0.85V, V(EAOUT) > 0.5V
V(SS/DEL) < 0.35V
V(EAOUT)
V(SS/DEL)
V(VDRP) – V(IIN), 0.5V < V(IIN) < 5V
0.5V < V(IIN) < 5V
0.5V < V(IIN) < 5V
Note 1
Note 1
−5mA < I(VBIAS) < 0mA
1V < V(OCSET) < 5V
RDRP = ∞
RDRP = ∞, Time to reach 1.1V
VR10/VR11 mode only
VR10/VR11 mode only
Opteron/Athlon64 mode. Measured from
Vcore=1.1V to when VRRDY transitions HI.
With FB = 0V, adjust V(SS/DEL) until
EAOUT drives high
Note 1
Relative to Charge Voltage, SS/DEL
rising
Relative to Charge Voltage, SS/DEL
falling
Note 1
VR10/VR11 mode only
TEST CONDITION
−53.5
−2.0
−9.0
0.20
0.35
0.85
MIN
−10
−35
−10
150
5.6
0.2
6.6
1.2
0.8
0.2
0.5
0.7
9.5
3.6
40
20
1
5
4
TYP
−0.2
12.5
0.35
0.60
−6.8
0.85
11.2
3.85
3.10
−20
−51
250
100
215
6.9
1.8
1.8
1.0
1.3
2.3
1.3
6.5
−2
10
70
40
80
20
6
0
IR3084U
−48.5
MAX
19.4
0.50
0.85
−4.0
12.5
350
100
1.0
4.1
7.2
2.6
2.8
2.5
2.2
4.7
1.5
4.1
−6
10
60
6
9
9/14/2005
μA/μA
UNIT
MHz
V/μs
mV
mA
mA
mV
mV
mV
mV
mV
KΩ
mA
ms
ms
ms
ms
ms
µA
μA
μA
μA
μA
us
V
V
V
V
V
V