IR3510MPBF International Rectifier, IR3510MPBF Datasheet - Page 27

• Manufacturer Part Number: IR3510MPBF
• Description: IC XPHASE CONTROL 32-MLPQ
• Manufacturer: International Rectifier
• Series: XPhase™r

Specifications of IR3510MPBF

• 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: -

OVP_LIMIT
OCP_LIMIT
CURRENT
VRRDY
ORING
VRHOT
PHSFLT
ENABLE
VSET
IOCD
VG
VIN
IR3510 DESIGN PROCEDURES
Application Circuit
Fig. 15 shows an application circuit with 4 phases using IR3088A as phase IC. Although It is not necessary to use
one ORing FET for each phase, it is recommended to do so to improve the efficiency and have better layout.
Rv cc 10
Page 27 of 36
Q1
Cv cc
0.1u
Cx 0.1u
Cics
10n
Cbias
0.1u
1
2
3
4
5
6
7
8
Css
0.1u
VCC
CX
ENABLE
VRRDY
ORING
VSET
OVPSET
OCPSET
Rocset
Rs
Cocd
10n
IR3510
Rv f b
CIN1
RMPOUT
EAOUT
VREF
IGAIN
ROSC
IFB
IIN
IO
Cv cp
24
23
22
21
20
19
18
17
Cor
22n
Rosc
Rcr1
1k
Rv c
Rdrp
Cv c
Rorset
Rcr3
Rcr2
Cv ref
10n
Rcrt
NTC
Rcf b
Cccp
Rcc
Ccc
Fig. 15 4-phase IR3510 Application Circuit
IR Confidential
RBIASIN
RBIASIN
RBIASIN
RBIASIN
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
CSCOMP
CSCOMP
CSCOMP
CSCOMP
RMPIN+
RMPIN-
HOTSET
VRHOT
ISHARE
RMPIN+
RMPIN-
HOTSET
VRHOT
ISHARE
RMPIN+
RMPIN-
HOTSET
VRHOT
ISHARE
RMPIN+
RMPIN-
HOTSET
VRHOT
ISHARE
20k
20k
20k
20k
IR3088A
PHASE
IC
IR3088A
PHASE
IC
IR3088A
PHASE
IC
IR3088A
PHASE
IC
CCS+
100pF
CCS+
GATEH
GATEH
GATEH
GATEH
GATEL
GATEL
GATEL
GATEL
VCCH
PGND
VCCH
PGND
VCCH
PGND
VCCH
PGND
VCCL
RVCC
RPWM
CVCC
CCS+
100pF
VCCL
RVCC
RPWM
CVCC
VCCL
RVCC
RPWM
CVCC
VCCL
RVCC
RPWM
CVCC
RCS+
RCS+
RCS+
RCS+
CCS+
15
14
13
12
11
15
14
13
12
11
15
14
13
12
11
15
14
13
12
11
RCS-
CVCCL
RCS-
CVCCL
RCS-
CVCCL
RCS-
CVCCL
CCS-
100pF
CCS-
100pF
CCS-
CCS-
CBST
CBST
CBST
CBST
CCS
Q11
Q12
CCS
Q21
Q22
CCS
Q31
Q32
CCS
Q41
Q42
DBST
RCS
RCS
RCS
DBST
RCS
DBST
DBST
CIN
CIN
CIN
CIN
L
L
L
L
COUT
COUT
COUT
COUT
May 18, 2009
Q13
Q23
Q33
Q43
IR3510
DISTRIBUTION
IMPEDANCE
+
VOUT+
VOUT-