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LTM4650 Datasheet(PDF) 8 Page - Analog Devices

No. de pieza LTM4650
Descripción Electrónicos  Dual 25A or Single 50A μModule Regulator with Active Voltage Positioning
PDF  36 Pages
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
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LTM4650 Datasheet(HTML) 8 Page - Analog Devices

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LTM4650-2
8
Rev. 0
For more information www.analog.com
SIMPLIFIED BLOCK DIAGRAM
DECOUPLING REQUIREMENTS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CIN1, CIN2
External Input Capacitor Requirement
(VIN1 = 4.5V to 15V, VOUT1 = 1.5V)
(VIN2 = 4.5V to 15V, VOUT2 = 1.0V)
IOUT1 = 25A
IOUT2 = 25A
44
44
66
66
µF
µF
COUT1
COUT2
External Output Capacitor Requirement
(VIN1 = 4.5V to 15V, VOUT1 = 1.5V)
(VIN2 = 4.5V to 15V, VOUT2 = 1.0V)
IOUT1 = 25A
IOUT2 = 25A
600
600
800
800
µF
µF
TA = 25°C. Use Figure 1 configuration.
Figure 1. Simplified LTM4650-2 Block Diagram
46502 F01
TEMP
CLKOUT
RUN1
MODE_PLLIN
PHASMD
TRACK1
= 100µA
OR TEMP
MONITORS
4.7µF
SS CAP
1 F
CIN1
22µF
25V
×2
VIN
VIN
RFB2
60.4k
MTOP1
MBOT1
POWER
CONTROL
0.22µF
0.12µH
60.4k
COUT1
RFB1
40.2k
+
VOUT1
1.5V,
25A
VOUT2
1.2V,
25A
VFB1
GND
GND
VIN
4.5V TO 15V
GND
GND
SW2
SW1
PGOOD2
PGOOD1
INTERNAL
FILTER
1 F
CIN2
22µF
25V
×2
MTOP2
MBOT2
0.22µF
0.12µH
COUT2
+
+ –
60.4k
VOUT1
VOUT2
VFB2
VOUTS2
VOUTS1
RFSET
RTH2
CTH2
VIN
RT
VIN
RT
SS CAP
DIFFOUT
DIFFN
DIFFP
COMP1
SGND
TRACK2
INTVCC
EXTVCC
RUN2
COMP2
fSET
SGND
RTH1
CTH1
0.22 F



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