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IR3084 Datasheet(PDF) 3 Page - International Rectifier

Part No. IR3084
Description  XPHASETM VR 10/11 CONTROL IC
Download  45 Pages
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Maker  IRF [International Rectifier]
Homepage  http://www.irf.com
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IR3084 Datasheet(HTML) 3 Page - International Rectifier

 
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IR3084
Page 3 of 45
07/20/2005
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over: 9.5V ≤ VCC ≤ 16V, −0.3V ≤ VOSNS− ≤ 0.3V,
0
oC ≤ T
J ≤ 100
oC, ROSC = 24k , CSS/DEL = 0.1µF ±10%
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
VDAC REFERENCE
VID ≥ 1V, 10k ≤ROSC≤100k ,
25
oC ≤ T
J ≤ 100
oC
−0.5
0.5
%
0.8V ≤ VID < 1V, 10k ≤ROSC≤100k ,
25
oC ≤ T
J ≤ 100
oC
−5
+5
mV
System Set-Point Accuracy
(Deviation from Tables 1 & 2
per test circuit in Figure 1
which emulates in-VR
operation)
0.5V≤VID<0.8V, 10k ≤ROSC≤100k ,
25
oC ≤ T
J ≤ 100
oC
−8
+8
mV
Source Current
Includes OCSET and VSETPT currents
104
113
122
µA
Sink Current
Includes OCSET and VSETPT currents
92
100
108
µA
VIDx Input Threshold
500
600
700
mV
VIDx & VIDSEL Input Bias
Current
0V ≤ VIDx ≤ VCC
−5
0
5
µA
VIDx 11111x Blanking Delay
Measure Time till VRRDY drives low,
Note 1
0.5
1.3
2.1
µs
VIDSEL Pull-up Voltage
VIDSEL FLOATING
1.15
1.25
1.35
V
VIDSEL Pull-up Resistance
5.0
12.5
20.0
K
VIDSEL VR10/VR11
Threshold
0.55
0.62
0.69
V
VIDSEL VR11 No Boot
Threshold
3.0
3.5
4.0
V
VIDSEL VR10 No Boot
Threshold
7.0
7.5
8.0
V
ERROR AMPLIFIER
Input Offset Voltage
Measure V(FB) – V(VSETPT) per test
circuit in Figure 1. Applies to TBS VID
codes. Note 2.
−5
0.0
5
mV
FB Bias Current
−1
−0.3
0.5
µA
VSETPT Bias Current
48.5
51
53.5
µA
DC Gain
Note 1
90
100
110
dB
Gain Bandwidth Product
Note 1
6
10
MHz
Corner Frequency
45 deg Phase Shift, Note 1
200
400
Hz
Slew Rate
Note 1
1.4
3.2
5
V/µs
Source Current
−1.2
−0.8
−0.35
mA
Sink Current
0.5
1.0
1.7
mA
Max Voltage
VBIAS–VEAOUT (ref. to VBIAS)
150
375
600
mV
Min Voltage
Normal operation or Fault mode
30
110
200
mV
VDRP BUFFER AMPLIFIER
Input Offset Voltage
V(VDRP) – V(IIN), 0.5V ≤ V(IIN) ≤ 5V
−10
−1
6
mV
Source Current
0.5V ≤ V(IIN) ≤ 5V
−9
−7.3
−4
mA
Sink Current
0.5V ≤ V(IIN) ≤ 5V
0.2
0.88
4.1
mA
Bandwidth (−3dB)
Note 1
1
6
MHz
Slew Rate
Note 1
5
10
V/µs


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