参数资料
型号: IR3521MTRPBF
厂商: International Rectifier
文件页数: 16/45页
文件大小: 0K
描述: IC CTRL XPHASE3 SVID 32-MLPQ
标准包装: 3,000
系列: XPhase3™
应用: 处理器
电流 - 电源: 10mA
电源电压: 4.75 V ~ 7.5 V
工作温度: 0°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘
供应商设备封装: 32-MLPQ(5x5)
包装: 带卷 (TR)
IR3521
POR
ENABLE
VCCLDRV
VCCLFB
1.2V
VCCL REGULATOR
AMPLIFIER
0.94
0.86
VDD
VCCL-UVLO
VCCL UVLO
D
.
Q
Q
DISABLE
SELECT MODE
OV FAULT LATCH
OV1-2
S Q
SET
DOMINANT
R
OVLATCH
DISABLE
FLT2
SSCL FS2
VOUT2 VID OFF
SSCL FS1
VOUT1 VID OFF
250nS
BLANKING
DLY OUT2
DLY OUT1
FLT1
-
+
COMPARATOR
UV2
UV1
1.65V
1V
400k
VCCLDRV
ENABLE
PGOOD
OV1 FAULT LATCH
DIS
VCCL UVL
COMPARATOR
UV CLEARED
SELECT MODE
DISABLE
VCCL UVLO
OC2 AFTER VRRDY
OC2 Bf VRRDY
SS/DEL CLEARED
FAULT LATCH2
SSCL FS2
S Q
SET
DOMINANT
R
SS/DEL CLEARED
FAULT LATCH1
SSCL FS1
Q S
SET
DOMINANT
R
SELECT MODE
DISABLE
VCCL UVLO
OC1 AFTER VRRDY
OC1 Bf VRRDY
UV CLEARED
INTERNAL
CIRCUIT
BIAS
VCCL
OPEN DAISY
FAULT LATCH2
FAULT LATCH1
OPEN DAISY
OPEN SENSE2
OPEN CONTROL2
S
Q
Q
S
OPEN SENSE1
OPEN CONTROL1
SET
DOMINANT
R
SET
DOMINANT
R
DIS
DELAY
80mV
120mV
DELAY
COMPARATOR
POWER-UP
OK LATCH
PHSOUT
OC
DIS DELAY
OC DELAY
PHSOUT
POWER-UP
OK LATCH
80mV
COMPARATOR 120mV
DIS DIS
3.9V
DLY OUT2
DISCHARGE
S Q
RESET
DOMINANT
IROSC
COUTER
reset
DIS
COUTER DIS
reset
IROSC
Q S
RESET
DOMINANT
DLY OUT1
DISCHARGE
3.9V
FLT2
DCHG2
U?
ICHG
50uA
COMPARATOR
-
+
R
Q
Q
R
COMPARATOR
-
+
ICHG
50uA
FLT1
DCHG1
AND2
0.2V
0.2V
SS/DEL2
DIS
DIS
SS/DEL1
IDCHG
4.5uA
FLT2
DCHG2
IDCHG2
47uA
IDCHG1
47uA
DCHG1
FLT1
IDCHG
4.5uA
VCCL
VCCL
OV1
DIS
8 Pulse
PHSOUT
OV2
PHSOUT
DIS
8 Pulse
-
VDRP1
IIN2
DIS
Delay DIS
OC LIMIT
COMPARATOR
OC LIMIT
COMPARATOR
DIS
Delay
+
VDRP
AMPLIFIER
IIN1
OCSET2
VCCL
1.08V
-
OPEN CONTROL
LOOP COMPARATOR
IOCSET
IROSC
IROSC
IOCSET
OPEN CONTROL
LOOP COMPARATOR
-
1.08V
VCCL
OCSET1
+
DISABLE2
1.4V
DLY OUT2
FLT1
1.4V
+
DISABLE1
EAOUT2
ERROR
VDAC2
SOFT
START
CLAMP
DLY OUT1
SOFT
START
CLAMP
VDAC1
ERROR
EAOUT1
FB2
AMPLIFIER
FLT2
AMPLIFIER
IROSC
IFB
FB1
VOUT2 UV
275mV
-
260mV
VRRDY
VRRDY
260mV
-
OVER VOLTAGE
COMPARATOR
COMPARATOR 315mV
UV2
U?
+
OVER VOLTAGE
COMPARATOR
VDAC2
1.6V
OVLATCH
DYNAMIC VID2 DOWN
DETECT COMPARATOR
OVLATCH
DYNAMIC VID1 DOWN
DETECT COMPARATOR
1.6V
+
VDAC1
275mV VOUT1 UV
315mV COMPARATOR
UV1
OV2
DETECTION PULSE2
DETECTION PULSE1
OV1
VOUT2
AND2
25k
50mV
50mV
25k
VOUT1
VOSEN2+
VOSEN2-
IVOSEN2-
25k
25k
IVOSEN2+
REMOTE SENSE
60mV
60mV
REMOTE SENSE
25k
25k
IVOSEN1+
IVOSEN1-
VOSEN1+
VOSEN1-
AMPLIFIER
AMPLIFIER
IVOSEN-
25k
25k
VIDSEL
IVOSEN-
VCCL
VCCL
VIDSEL
VCCL
VCCL
DETECTION PULSE2
-
200mV
200mV
-
DETECTION PULSE1
+
+
VCCL*0.9
-
EN
VCCL RESET
4 OPEN SENSE
LINE DETECT
COMPARATORS
4 OPEN SENSE
LINE DETECT
COMPARATORS
VCCL RESET
VCCL*0.9
EN
-
0.4V
-
+
EN
OPEN SENSE LINE2
OPEN SENSE LINE1
+
EN
-
0.4V
+
+
VDAC2
ISOURCE
IROSC
IROSC
ISOURCE
VDAC1
ISINK
VDAC BUFFER
ISINK
VDAC BUFFER
VCCL UVLO FAULT
PHSIN
SVID to Metal
VID3
VID3
VID3
AMPLIFIER
ROSC BUFFER
AMPLIFIER
CURRENT
SOURCE
GENERATOR
IROSC VID0
OPEN DAISY
CHAIN
CLOCK
MEMORY
DVID2
SVID to SVID
Vout1 VID
Metal to SVID On-The-Fly
High to Low
SVID to SVID Vout2 VID
SVID to Metal On-The-Fly
Metal to SVID
High to Low D/A
VID7
VID3
AMPLIFIER
READ & STORE PRE-PWROK 2
BIT VID
VID3
Low to High
SVID ENABLED
Connection to VCCL
VFIX Mode
VDD
PWROK
VID3
VID3
EPAD
ROSC
0.6V
VCCL- 1.2V
CLKOUT
CLKOUT
PHSOUT
PHSIN
PHSOUT
VCCL
CONVERTER
VID7
Back to PRE-PWROK High to Low
2 BIT VID
SVI (Seriel VID Interface)
VID3
SVC
VID3
SVD
VID3
SVC
SVD
OV1_2
OV2
OV1
10k
PSI_L
Figure 8 Block Diagram
Page 16
V3.03
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