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LTM4650 Datasheet(PDF) 12 Page - Analog Devices

Part # LTM4650
Description  Source/Sink Dual ±25A or Single ±50A μModule Regulator with Input Overvoltage Protection
PDF  38 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTM4650 Datasheet(HTML) 12 Page - Analog Devices

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LTM4652
12
Rev. 0
For more information www.analog.com
SIMPLIFIED BLOCK DIAGRAM
DECOUPLING REQUIREMENTS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CIN1, CIN2
CIN3, CIN4
External Input Capacitor Requirement
(VIN1 = 4.5V to 18V, VOUT1 = 1.2V)
(VIN2 = 4.5V to 18V, VOUT2 = 3.3V)
IOUT1 = ±25A
IOUT2 = ±25A
22
22
66
66
µF
µF
COUT1
COUT2
External Output Capacitor Requirement
(VIN1 = 4.5V to 18V, VOUT1 = 1.2V)
(VIN2 = 4.5V to 18V, VOUT2 = 3.3V)
IOUT1 = ±25A
IOUT2 = ±25A
300
300
600
600
µF
µF
TA = 25°C. Use Figure 1 configuration.
Figure 1. Simplified LTM4652 Block Diagram
4652 BD
CLKOUT
RUN1
MODE_PLLIN
PHASEMD
TRACK1
4.7µF
SS CAP
1µF
CIN1
22µF
25V
VIN
VIN
CIN2
22µF
25V
RFB2
13.3k
MTOP1
MBOT1
POWER
CONTROL
1µF
10pF
0.22µH
60.4k
COUT1
RFB1
40.2k
+
VOUT1
1.5V
±25A
VOUT2
3.3V
±25A
VFB1
GND
GND
VIN
4.5V TO
18V
GND
GND
SW2
SW1
PGOOD2
PGOOD1
INTERNAL
FILTER
1µF
CIN3
22µF
25V
MTOP2
MBOT2
CIN4
22µF
25V
1µF
10pF
CTH2
0.22µH
COUT2
+
+ –
60.4k
VOUT1
VOUT2
VFB2
VOUTS2
VOUTS1
RFSET
RTH2
RVINOVP
SS CAP
DIFFOUT
DIFFN
DIFFP
COMP1
SGND
TRACK2
INTVCC
EXTVCC
COMP2
fSET
SGND
CTH1
RTH1
CTHP1
CTHP2
TEMP–
TEMP+
DIODE-CONNECTED PNP
TEMPERATURE SENSOR
VINOVP
VIN
60.4k
470pF
RUN2
+
–
1.22V
+
–
+
–
1.22V
1.22V
PGOOD1



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