IR3523MTRPBF International Rectifier, IR3523MTRPBF Datasheet - Page 9

• Manufacturer Part Number: IR3523MTRPBF
• Description: IC XPHASE3 CTLR VR11.1 40-MLPQ
• Manufacturer: International Rectifier
• Series: XPhase3™r

Specifications of IR3523MTRPBF

• Applications: Processor
• Current - Supply: 10mA
• Voltage - Supply: 4.75 V ~ 7.5 V
• Operating Temperature: 0°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 40-MLPQ
• Ic Function: Dual Output Control IC
• Supply Voltage Range: 4.75V To 7.5V
• Operating Temperature Range: 0°C To +150°C
• Digital Ic Case Style: MLPQ
• No. Of Pins: 40
• Controller Type: XPhase
• Rohs Compliant: Yes
• Package: 40-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

IR3523 block diagram
Page 9 of 37
VCCLDRV
ENABLE2
VOSEN2+
VOSEN2-
VCCLFB
EAOUT2
SS/DEL2
OCSET2
PG2
VOUT2
VID1_4
VID2_0
VID1_3
VID1_2
VID2_2
VID2_1
VDAC2
FB2
IIN2
VCCL
UV2
0.3V
1.2V
ERROR
AMPLIFIER
VOUT2 UV
COMPARATOR
OPEN CONTROL2
+
-
OPEN DAISY
OPEN SENSE2
OV
VDAC BUFFER
AMPLIFIER
VID2
VID2
TBS
IVOSEN-
-
+
OV2
VCCL REGULATOR
AMPLIFIER
VCCL
400k
0.4V
OPEN CONTROL
LOOP COMPARATOR
1.65V
1.0V
DISABLE2
VCCL*0.9
+
+
-
IVOSEN2-
ISOURCE
VID3
0.94
VID3
VID0
VID0
0.86
SSCLF2
VID INPUT
COMPARATORS
(1 of 3 SHOWN)
+
-
+
-
ISINK
OV2
175k
175k
VCCL UVL
COMPARATOR
DETECTION PULSE2
ICHG
50uA
-
+
-
+
275mV
315mV
ENABLE
COMPARATOR
VDAC2
-
+
1.0V
1.0V
VCCL
+
-
80mV
120mV
VCCL
UV2
SSCLF2
DLY OUT2
FLT2
+
-
+
-
IVOSEN2+
250nS
BLANKING
OVER VOLTAGE
COMPARATOR
25k
25k
25k
IROSC
1.4V
DIS
UV CLEARED
FAULT LATCH2
8 Pulse
Delay
DELAY
COMPARATOR
OV1_2
0.2V
-
+
+
-
VIDSEL
SET
DOMINANT
DIS
DIS
S
R
DISCHARGE
COMPARATOR
4.5uA
IDCHG
REMOTE SENSE
AMPLIFIER
+
-
SET
DOMINANT
Q
S
R
Figure 3 – IR3523 BLOCK DIAGRAM
-
+
DLY OUT2
IOCSET
VDAC2
+
-
DIGITAL TO
ANALOG
CONVERTERS
Q
VID3
VID2
VID1
VID3
VID2
VID1
PHSOUT
125mV
SOFT
START
CLAMP
25k
OC2 AFTER VRRDY
INTERNAL
INTERNAL
OVLATCH
VDAC
VDAC
OC2 Bf VRRDY
DIS
VCCL UVLO
FLT2
OC LIMIT
COMPARATOR
VCCL RESET
POWER-UP
OK LATCH
+
-
RESET
DOMINANT
IROSC
S
R
1.8V
OPEN SENSE LINE2
60mV
DYNAMIC DOWN VID2
DYNAMIC DOWN VID1
Q
Q
(1.1V)
VBOOT
4 OPEN SENSE
LINE DETECT
COMPARATORS
DLY OUT2
-
+
+
-
SS/DEL CLEARED
FAULT LATCH2
PHSOUT
DCHG2
VIDSEL
VIDSEL
IROSC
SET
DOMINANT
Q
OV2
200mV
DYNAMIC VID2 DOWN
DETECT COMPARATOR
S
R
SAMPLE DELAY
SET
DOMINANT
S
R
DIS
DIS
OC DELAY
COUTER
IDCHG2
47uA
FAULT LATCH 1
reset
50mV
Q
OV2
DIS
+
-
IDCHG1
47uA
OV1_2
OV1
PG2
reset
+
-
VID1 SAMPLE AND
DELAY COMPARATOR
OC DELAY
COUTER
DIS
DIS
DCHG1
3.0V
SS/DEL CLEARED
FAULT LATCH1
DLY OUT1
SET
DOMINANT
Q
DIS
DIS
S
R
200mV
PHSOUT
IROSC
VCCL UVLO
CLKOUT
CLKOUT
OPEN SENSE LINE1
PG1
4 OPEN SENSE
LINE DETECT
COMPARATORS
VID0
+
-
-
+
+
-
SS/DEL1
60mV
PHSIN
PHSIN
FLT1
OC LIMIT
COMPARATOR
50mV
OPEN DAISY
CHAIN
FAULT
OC1 AFTER VRRDY
POWER-UP
OK LATCH
PHSOUT
RESET
DOMINANT
PHSOUT
OC1 Bf VRRDY
Q
Q
+
-
VCCL UVLO
IROSC
DYNAMIC VID1 DOWN
DETECT COMPARATOR
OV1
VCCL RESET
R
IDCHG
4.5uA
S
REMOTE SENSE
AMPLIFIER
PHSOUT
SOFT
START
CLAMP
IROSC
25k
DLY OUT1
IOCSET
1.2V
+
-
DISCHARGE
COMPARATOR
DIS
CURRENT
SOURCE
GENERATOR
250nS
BLANKING
8 Pulse
Delay
VIDSEL
+
-
UV CLEARED
FAULT LATCH1
DELAY
COMPARATOR
-
+
DIS
FLT1
SET
DOMINANT
IVOSEN1+
IROSC
Q
0.2V
1.4V
25k
25k
OV
OPEN CONTROL
LOOP COMPARATOR
VDAC1
R
S
+
-
DLY OUT1
DETECTION PULSE1
125mV
ENABLE
COMPARATOR
25k
June 20, 2008
DETECTION PULSE1
VCCL
OV1
VCCL - 1.2V
OVER
VOLTAGE
COMPARATOR
UV1
80mV
120mV
+
-
VDAC1
-
+
ISOURCE
ISINK
ROSC BUFFER
AMPLIFIER
-
+
IVOSEN1-
-
+
VCCL*0.9
ICHG
50uA
DISABLE1
-
+
VDAC BUFFER
AMPLIFIER
VCCL
IVOSEN-
INTERNAL
CIRCUIT
BIAS
SSCLF1
1.65V
1.0V
0.4V
VCCL
+
-
-
+
+
+
-
IROSC
275mV
315mV
3.9V
-
+
ERROR
AMPLIFIER
IR3523
400k
DIS
0.3V
OPEN DAISY
OPEN SENSE1
OPEN CONTROL1
VDRP
AMPLIFIER
OV
0.6V
VCCLDRV
VCCL
+
-
VOUT1 UV
COMPARATOR
IFB
OV1
UV1
VDAC1
PG1
LGND
ROSC
ENABLE1
SS/DEL1
VCCL
VDRP1
IIN1
OCSET1
EAOUT1
FB1
VOUT1
VOSEN1+
VOSEN1-