ir3500v International Rectifier Corp., ir3500v Datasheet - Page 6

• Manufacturer Part Number: ir3500v
• Description: Xphase3 Vr11.1 Cpu Vtt Control Ic
• Manufacturer: International Rectifier Corp.

VID CODES & SYSTEM SET POINT
Note 1: Guaranteed by design, but not tested in production
Note 2: VDAC Output is trimmed to compensate for Error Amplifier input offset errors
VCCL Regulator Amplifier
Reference Feedback Voltage
VCCLFB Bias Current
VCCLDRV Sink Current
UVLO Start Threshold
UVLO Stop Threshold
Hysteresis
General
VCCL Supply Current
Page 6 of 34
Hex
VID
4C
5C
40
44
48
50
54
58
PARAMETER
IVDAC
VID7
IR3500
FAST
VDAC
0
IROSC
Figure 2 - System Set Point Test Circuit for VR11.1 VTT VID
+
-
VID6
1
CURRENT
SOURCE
GENERATOR
VDAC
BUFFER
AMPLIFIER
ISOURCE
ISINK
Compare to V(VCCL)
Compare to V(VCCL)
Compare to V(VCCL)
Table 1 – VR11.1 CPU VTT VID Codes
VID5
0
IVSETPT
TEST CONDITION
ROSC BUFFER
AMPLIFIER
REMOTE SENSE
AMPLIFIER
VID4
+
-
IROSC
0
0
0
0
1
1
1
1
+
-
0.6V
ERROR
AMPLIFIER
IROSC
+
-
VID3
0
0
1
1
0
0
1
1
IOCSET
EAOUT
FB
VSETPT
VDAC
LGND
ROSC
VO
VOSEN+
VOSEN-
OCSET
VID2
0
1
0
1
0
1
0
1
ROCSET
ROSC
RVDAC
CVDAC
1k
1.15
MIN
3.0
10
91
83
-1
7
VID1
SYSTEM
SET POINT
VOLTAGE
0
EAOUT
VOSNS-
TYP
1.19
8.25
6.5
30
93
87
July 03, 2008
0
VID0
IR3500V
0
MAX
1.23
10.0
9.5
99
91
1
VSET
1.220
1.195
1.170
1.145
1.120
1.095
1.070
1.045
UNIT
mA
mA
uA
%
%
%
V