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LTM4644 Datasheet(PDF) 19 Page - Linear Technology

Part # LTM4644
Description  Dual 25A or Single 50A DC/DC 關Module Regulator with 1% DC Accuracy
PDF  38 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTM4644 Datasheet(HTML) 19 Page - Linear Technology

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LTM4650A
19
4650afb
For more information www.linear.com/LTM4650A
APPLICATIONS INFORMATION
Figure 8. Output Coincident Tracking Waveform
Figure 7. Example of Output Tracking Application Circuit
TIME
MASTER OUTPUT
SLAVE OUTPUT
4650A F08
4650A F07
LTM4650A
VIN
TEMP
TRACK1
TRACK2
RUN1
RUN2
fSET
C8
470µF
6.3V
RFB(SL)
13.3k
R2
10k
C6
100µF
6.3V
×3
PHASMD
VOUT1
VOUTS1
VFB1
VFB2
COMP1
COMP2
VOUTS2
VOUT2
PGOOD2
MODE_PLLIN
INTVCC
PGOOD1
PGOOD1
INTVCC
SGND
GND
VOUT1
(MASTER)
1.5V
RAMP TIME
tSOFTSTART = (CSS/1.3µA) • 0.6
DIFFP
DIFFN DIFFOUT
40.2k
PGOOD2
SLAVE
VOUT1
(MASTER)
1.5V
25A
C7
470µF
6.3V
C5
100µF
6.3V
×3
R4
140k
RTR(TOP)
60.4k
4.5V TO 16V INTERMEDIATE BUS
R6
100k
CSS
C1
22µF
25V
RTR(BOT)
40.2k
C2
22µF
25V
C3
22µF
25V
C4
22µF
25V
C10
4.7µF
R9
10k
INTVCC
VOUT2
(SLAVE)
3.3V
25A
PINS NOT USED IN THIS CIRCUIT: CLKOUT
EXTVCC, SW1, SW2



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