IR3500AMPBF International Rectifier, IR3500AMPBF Datasheet - Page 15

• Manufacturer Part Number: IR3500AMPBF
• Description: IC CTRL XPHASE3 VR11.0 32-MLPQ
• Manufacturer: International Rectifier
• Series: XPhase3™r

Specifications of IR3500AMPBF

• Applications: Processor
• Current - Supply: 6.5mA
• Voltage - Supply: 4.75 V ~ 7.5 V
• Operating Temperature: 0°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: *
• Package: 32-Lead MLPQ
• Circuit: X-Phase Control IC
• Switch Freq (khz): 250kHz to 1.5MHz
• Pbf: PbF Option Available
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ROSC/OVP
VCCLDRV
VCCLFB
ENABLE
CLKOUT
PHSOUT
SS/DEL
VIDSEL
PHSIN
VDAC
VCCL
LGND
VID7
VID6
VID5
VID4
VID3
VID2
VID1
VID0
VO
Page 15 of 48
OV@START
VCCL-1.2V
Float
Voltage
3.5k
800mV
INTEL
850mV
CLKOUT
PHSOUT
VCCL REGULATOR
AMPLIFIER
VBIAS
VID0
PHSIN
0.6V
1.19V
0.86
VCCL UVLO
VID4
VID2
0.6V
3.3V
+
-
OV@OPERATION
AMD
ENABLE
COMPARATOR
VID5
VID3
VID1
VID0
VIDSEL
VIDSEL
VIDSEL
VIDSEL
VID7
VID6
-
+
VIDSEL
COMPARATORS
VID INPUT
COMPARATORS
(1/8 SHOWN)
0.86
1.14V
0.94
1.2V
AMD 1.0V
INTEL 0.6V
VCCLDRV
IROSC
+
-
VCCL OUTPUT
COMPARATOR
80mV
120mV
+
-
4.0V
250nS
BLANKING
FAULT
ROSC BUFFER
AMPLIFIER
VID1
VID5
VID4
VID3
VID7
VID6
VID2
VR11 NoBOOT
OPEN DAISY
CHAIN
AMD 5-BIT
AMD 6-BIT
VR11 BOOT
INTERNAL
DIGITAL
TO ANALOG
CONVERTER VBOOT
+
-
VDAC
DELAY
COMPARATOR
VID0
VCCL UVLO
VIDSEL
+
-
DISCHARGE
COMPARATOR
0.2V
VBOOT
VID
FAULT
VIDSEL
LATCH
(1.1V)
DVID
-
+
CURRENT
SOURCE
GENERATOR
S
R
POWER OK
LATCH
IROSC
1.3uS
BLANKING
Q
VBOOT
LATCH
SET
DOMINANT
Q
SS RESET
RESET
DOMINANT
S
R
S
R
DYNAMIC VID DETECT
COMPARATOR
Q
Figure 8 - Block Diagram
SAMPLE DELAY
+
-
ISOURCE
ISINK
VCCL
EAOUT
+
-
VDAC BUFFER
AMPLIFIER
1.08V
50mV
OV FAULT
VID FAULT
LATCH
FAULT LATCH1
FAULT LATCH2
SET
DOMINANT
R
S
VID SAMPLE
DELAY
COMPARATOR
-
+
OC DELAY
8-Pulse
Delay
+
-
Q
RESET
3.2V
1.6V
130mV
3mV
OC
IDCHG
OPEN VOLTAGE LOOP
OC LIMIT
AMPLIFIER
4.5uA
200mV
OC after VRRDY
VID FAULT LATCH
OPEN SENSE LINE
OPEN DAISY CHAIN
VDAC
OC LIMIT
COMPARATOR
OPEN SENSE
LINE DETECT
COMPARATORS
OC DELAY
COUNTER
-
+
VO
60mV
OC before VRRDY
+
-
OVER
VOLTAGE
COMPARATOR
VID FAULT
VCCL UVLO
-
+
DISABLE
+
-
275mV
315mV
DIS
OPEN SENSE LINE
PHSOUT
IROSC
+
-
DETECTION
PULSE
REMOTE SENSE
AMPLIFIER
VO
RESET
+
-
SS RESET
VCCL UVLO
UNDER
VOLTAGE
COMPARATOR
25k
SS CLEARED
FAULT LATCH1
UV CLEARED
FAULT LATCH2
IROSC
IOCSET
25k
+
-
SOFT
START
CLAMP
UV
VIDSEL
DETECTION
PULSE
SET
DOMINANT
SET
DOMINANT
S
R
S
R
+
-
IVOSEN+
25k
25k
Q
Q
1.4V
1.73V
POWER NOT OK
FAULT LATCH1
VCCL
FAULT LATCH2
POWER-UP OV
COMPARATOR
IVOSEN-
OV FAULT
OV@START
OV@OPERATION
ERROR
AMPLIFIER
IROSC
-
+
OPEN SENSE
LINE DETECT
COMPARATORS
1.5V
ENABLE
1.6V
VRHOT COMPARATOR
IVOSEN-
OV@OPERATION
-
+
-
+
VCCL UVLO
UV
VCCL
July 28, 2009
+
+
-
1
2
3
4
5
VDRP AMPLIFIER
-
+
ISETPT
VCCL*0.9
DISABLE
0.4V
IR3500A
OV FAULT
LATCH
+
-
400K
SET
DOMINANT
S
R
6
Q
VCCLDRV
OV@START
OV FAULT
VCCL
PGOOD
HOTSET
VRHOT
IIN
OCSET
VDRP
EAOUT
FB
VSETPT
VOSEN+
VOSEN-