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IR3092 Datasheet(PDF) 5 Page - International Rectifier

Part # IR3092
Description  2 PHASE OPTERON, ATHLON, OR VR10.X CONTROL IC
PDF  37 Pages
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Manufacturer  IRF [International Rectifier]
Direct Link  http://www.irf.com
Logo IRF - International Rectifier

IR3092 Datasheet(HTML) 5 Page - International Rectifier

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IR3092
Page 5 of 37
06/25/04
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
Oscillator
Switching Frequency
RROSC = 42k
Ÿ
160
200
240
kHz
Phase1 to Phase2 Shift
GATEH1 rise to GATEH2 rise
155
170
190
°
BIASOUT Regulator
SETBIAS Bias Current
RROSC = 42k
Ÿ
105
115
125
PA
Set Point Accuracy
V(SETBIAS)-V(BIASOUT) @ 100mA
0.1
0.3
0.55
V
BIASOUT Dropout Voltage
I(BIASOUT)=100mA,Threshold when
V(SETBIAS)-V(BIASOUT)=0.45V
1.2
1.8
2.5
V
BIASOUT Current Limit
150
300
450
mA
Soft Start and Delay
SS/DEL to FB Input Offset
Voltage
With FB = 0V, adjust V(SS/DEL) until
EAOUT drives high
0.8
1.3
1.8
V
Charge Current
25
55
75
PA
Hiccup Discharge Current
2.5
5.5
7.5
PA
OC Discharge Current
25
45
70
PA
Charge/Discharge Current
Ratio
9
10
11
PA/PA
Charge Voltage
3.8
4.0
4.2
V
Delay Comparator Threshold
Relative to Charge Voltage
200
240
280
mV
Delay Comparator Hysteresis
15
30
45
mV
Discharge Comparator
Threshold
200
260
350
mV
Over-Current Comparator
Input Offset Voltage
V(OCSET)-V(VDAC),
CSIN=CSINP1=CSINP2, Note 1.
-125
0
125
mV
OCSET Bias Current
RROSC = 42k
Ÿ
28
30
33
PA
Max OCSET Set Point
3.95
V
Under-Voltage Lockout
VCC Start Threshold
7.2
7.8
8.3
V
VCC Stop Threshold
6.7
7.3
7.8
V
VCC Hysteresis
Start – Stop
450
500
750
mV
5VUVL Start Threshold
4.05
4.3
4.55
V
5VUVL Stop Threshold
3.92
4.125
4.33
V
5VUVL Hysteresis
Start – Stop
100
175
250
mV
5VUVL Input Resistance
To LGND
24
36
72
k
Ÿ
PWRGD Output
Output Voltage
I(PWRGD) = 4mA
150
300
mV
Leakage Current
V(PWRGD) = 5.5V
0
10
PA
Enable Input
Threshold, INTEL
VID_SEL=0, Referenced to VOSNS-
0.4
0.6
0.8
V
Threshold, AMD
VID_SEL=Float, Referenced to
VOSNS-
1.3
1.5
1.7
V
Input Resistance
7.5
15
20
k
Ÿ
Pull-up Voltage
2.4
3.0
3.7
V



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