IR3527MTRPBF International Rectifier, IR3527MTRPBF Datasheet - Page 8

• Manufacturer Part Number: IR3527MTRPBF
• Description: IC CTRL XPHASE3 DUAL 24-MLPQ
• Manufacturer: International Rectifier
• Series: XPhase3™r

Specifications of IR3527MTRPBF

• Applications: Processor
• Current - Supply: 8mA
• Voltage - Supply: 8 V ~ 28 V
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: *
• Package: 24-Lead MLPQ
• Circuit: X-Phase Phase IC
• Iout (a): 1.3A Gate Driver
• Pbf: PbF Option Available
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ERROR
AMPLIFIER
IVSETPT
Page 8 of 20
Control IC CLKOUT
(Phase IC CLKIN)
Control IC PHSOUT &
IR3527 IC #1 PHSIN1
IR3527 IC #1 Phase 1
PWM Latch SET
IR3527 IC #1
PHSOUT1 & PHSIN2
IR3527 IC #1
PHSOUT2 & IC #2 PHSIN1
IR3527 IC #2
PHSOUT1 & PHSIN2
IR3527 IC #2 PHSOUT2
& Control IC PHSIN
CONTROL IC
CLOCK GENERATOR
REMOTE SENSE
AMPLIFIER
+
-
IROSC
VDAC
+
-
+
-
VDRP
AMP
VSETPT
VDRP
IIN
Figure 3 - Four Phase Oscillator Waveforms implemented with two IR3527
PHSOUT
PHSIN
VO
VDAC
LGND
EAOUT
FB
CLKOUT
RVSETPT
RCOMP
CCOMP
CCOMP1
RFB1
CFB
RDRP1
CDRP
GATE DRIVE
VOLTAGE
RFB
RDRP
CONTROL BUS TO
ADDITIONAL PHASES
Figure 2 - PWM Block Diagram
PHSOUT1
PHSOUT2
ISHARE
PHSIN1
CLKIN
DACIN
PHSIN2
EAIN
VCC
CLK
D
3K
CLK
D
3K
SHARE ADJUST
ERROR AMPLIFIER
SHARE ADJUST
ERROR AMPLIFIER
Q
Q
PWM
COMPARATOR
PWM
COMPARATOR
+
-
+
-
RAMP
DISCHARGE
CLAMP
RAMP
DISCHARGE
CLAMP
ENABLE
ENABLE
-
-
VID6
VID6
DUAL PHASE IC
VID6
+
VID6
+
VID6
VID6
-
+
-
+
+
-
+
-
PWM LATCH1
PWM LATCH2
BODY
BRAKING
COMPARATOR
BODY
BRAKING
COMPARATOR
RESET
DOMINANT
RESET
DOMINANT
D
CLK
D
CLK
VID6
VID6
VID6
VID6
Q
Q
Q
Q
+
+
+
+
CURRENT
SENSE
AMPLIFIER
CURRENT
SENSE
AMPLIFIER
+
-
+
-
CSIN1-
CSIN2-
BOOST1
GATEH1
SW1
VCCL1
GATEL1
PGND
CSIN1+
BOOST2
GATEH2
SW2
VCCL2
GATEL2
CSIN2+
CCS
CCS RCS
RCS
CBST
CBST
POWER BUS TO
ADDITIONAL PHASES
V3.0
IR3527
COUT
VIN
VOSNS+
VOUT
GND
VOSNS-