IR3510MTRPBF International Rectifier, IR3510MTRPBF Datasheet - Page 19

• Manufacturer Part Number: IR3510MTRPBF
• Description: IC XPHASE CONTROL 32-MLPQ
• Manufacturer: International Rectifier
• Series: XPhase™r

Specifications of IR3510MTRPBF

• Applications: Processor
• Mounting Type: Surface Mount
• Package / Case: 32-MLPQ
• Package: 32-Lead MLPQ
• Circuit: X-Phase Control IC
• Pbf: PbF Option Available
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Voltage - Supply: -
• Operating Temperature: -
• Other names: IR3510MTRPBFTR

OVPSET
OVPSNS
OCPSET
ENABLE
RMPOUT
GATE_I
VBIAS
ROSC
IGAIN
ICS-
ICS+
IOCD
VSET
VCC
CX
SS
IIN
IR3510 BLOCK DIAGRAM
10K
20uA
3V
Note:
12.4V
10K
Page 19 of 36
0.6V
20uA
Precondition Circuit
0.9V
OC REGULATOR
OVP COMPARATOR
RESET
DOMINANT
Q
INPUT SS REGULATOR
“Input Reset” = (
R
S
IOCD = ( Input Fault Latch x Enable x Vcc ) + P12 x (
ENABLE
COMPARATOR1
50%
DUTY
CYCLE
Css Discharge = Input Fault Latch + Css Charged x VRM Fault Latch x
CURRENT SOURCE
VIDSEL
-
+
-
+
Charge Pump
+
-
GENERATOR
RAMP GENERATOR
OFF
1.2V
-
+
-
+
OFF
0.8V
+
-
36K
10K
0.6V
0.35V
VIDSEL
ENABLE
COMPARATOR2
OC TIMEOUT
COMPARATOR
5.0V
1.0V
-
+
+
-
SEVERE OC COMPARATOR
IROSC
27v
0.2V
3K
INPUT FAULT
LATCH
SET
DOMINANT
Q
VBIAS
REGULATOR
+
Enable
VIDSEL
R
S
Delay
CURRENT REPORT AMP.
VIDSEL
-
+
5uS
-
UVLO1
COMPARATOR
-
+
6.8V
20uA
+
-
+
DISABLE
UVLO1
OVP
Vcc
200mV
IR Confidential
) x Vss;
9.1V
8.3V
0.2V
50mV
-
+
-
+
+
-
Falling
Delay
5uS
CHARGE
COMPARATOR
-
+
65mv
115mv
OPEN SENSE
DETECTING
COMPARATOR
DISCHARGE
COMPARATOR
-
+
8.15V
“OC Timeout” =ICOD x Enable x Vcc
8.95V
OVP
3.8V
70uA
-
+
UVLO2
COMPARATOR
SET
DOMINANT
3K
Enable
DISCHARGE
LATCH
UVLO2
SET
DOMINANT
Q
R
S
+
RESET
DOMINANT
S
R
Vcc
REMOTE SENSE
AMPLIFIER
Q
10uA
50K
VRM FAULT LATCH
0.3V
50K
)
-
+
VIDSEL
OC CLAMP
Timer
VIDSEL
SOFT START
CLAMP
OPEN SENSE LINE
COMPARATORS
-
+
+
-
ORING
IVOSEN-
1.4V
50K
50K
SET
DOMINANT
S
R
UVLO
May 18, 2009
Q
VIDSEL VIDSEL
IVOSEN+
BB DISABLE
CLAMP
ORING
COMPARATOR
+
-
+
-
FAULT
FAULT
ON
CURRENT ERROR
AMPLIFIER
VOLTAGE ERROR
AMPLIFIER
0.4V
SS
+
-
2
VREF BUFFER
IR3510
+
-
VBIAS
+
-
+
-
+
-
+
0.3V
OFF
IROSC
VIDSEL
12.4V
20uA
ORING
VRRDY
LGND
IO
GATE_O
OR+
OR-
EAOUT
IFB
IREF
VFB
VREF
VO
VOSNS-
VOSNS+