IR3500VMPBF International Rectifier, IR3500VMPBF Datasheet - Page 6

• Manufacturer Part Number: IR3500VMPBF
• Description: The IR3500V Control IC combined with one or more xPhase3 Phase IC implement the control and MOSFET driver functions for a VR11.1 CPU VTT power supply.
• Manufacturer: International Rectifier

Specifications of IR3500VMPBF

• Package: 32-Lead MLPQ
• Circuit: X-Phase Control IC
• Switch Freq (khz): 250kHz to 1.5MHz
• Pbf: PbF Option Available

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
0
July 28, 2008
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