IR3503MTRPBF International Rectifier, IR3503MTRPBF Datasheet - Page 2

• Manufacturer Part Number: IR3503MTRPBF
• Description: IC CTRL XPHASE VR11.0/1 32-MLPQ
• Manufacturer: International Rectifier
• Series: XPhase3™r

Specifications of IR3503MTRPBF

• Applications: Processor
• Current - Supply: 8mA
• 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
• Other names: IR3503MTRPBFTR

APPLICATION CIRCUIT
ENABLE
VRRDY
VRHOT
+12V
PSI#
IOUT
VID7
VID6
VID5
VID4
VID3
VID2
VID1
VID0
CMON
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VOSEN-
RMON
RMON1
CHOTSET
Note: Pin 33 of IR3503 is the exposed pad located under the IC. It is connected to IC ground
CVCCL
33
1
2
3
4
5
6
7
8
RHOTSET1
EXPAD
VID7
VID6
VID5
VID4
VID3
VID2
VID1
VID0
RHOTSET3
RHOTSET2
IR3503
Figure 1: IR3503 Application Circuit
VDAC_BUFF
RFB
VSETPT
SS/DEL
ROSC
VDAC
VDRP
PSI#
RFB1
VN
24
23
22
21
20
19
18
17
CFB
ROSC
RDRP
RVDAC
RSETPT
RTCMP2
RCP
RTCMP1
RTCMP3
RTCMP2
CCP1
RTCMP3
CSS/DEL
CCP
CVDAC
RTHERM
February 12, 2010
IR3503
EAOUT
12V
PSI#
SHIFT
IIN
VCCL
PHSIN
PHSOUT
CLKOUT
VDAC
VOSEN+
VOSEN-