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LTM4644 Datasheet(PDF) 29 Page - Linear Technology

Part # LTM4644
Description  Triple Output 5A/5A/4A Step-Down DC/DC 關Module짰 Regulator
PDF  32 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTM4644 Datasheet(HTML) 29 Page - Linear Technology

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LTM4634
29
4634f
For more information www.linear.com/LTM4634
Typical applicaTions
Figure 25. 7V to 28V Input, 1.5V, 1.8V and 3.3V at 5A,5A, 4A with Tracking
RFB3
19.1k
RT
VIN
RFB2
48.7k
RFB1
69.8k
COUT4
100µF
6.3V
1.5V
1.8V
3.3V
COUT6
100µF
6.3V
COUT1
100µF
6.3V
COUT2
100µF
6.3V
COUT3
100µF
6.3V
COUT7
100µF
6.3V
TO ADC
4634 F25
REDUCED TRACKING FEEDBACK
DIVIDER BY A FACTOR OF 10 TO
REDUCE TK/SS CURRENT ERROR
CSS3
0.22µF
4.87k
6.98k
6.04k
3.3V
3.3V
13.3k
1µF
2
6.04k
CIN1
4.7µF
50V
CIN3
4.7µF
50V
56µF
50V
CIN2
4.7µF
50V
10k
10k
10k
35.7k
(400kHz)
CNTL_PWR
MODE/PLLIN
RUN1
RUN2
RUN3
TK/SS2
TK/SS3
FREQ/PLLLPF
COMP1
COMP2
COMP3
PGOOD12
PGOOD3
TEMP1
TEMP2
VOUT1 VFB1
VOUT2 VFB2
VOUT3 VFB3
GND SGND
VIN1 SW1
VIN2
7V TO 28V INPUT
SW2
VIN3
LTM4634
SW3
4.7µF
6.3V
INTVCC EXTVCC
5V BIAS
TK/SS1
+
RT
VIN
TO ADC
RT =
VIN
100µA



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