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LT3741 Datasheet(PDF) 19 Page - Linear Technology

Part # LT3741
Description  High Power, Constant Current, Constant Voltage, Step-Down Controller
PDF  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3741 Datasheet(HTML) 19 Page - Linear Technology

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LT3741

3741f
20A Super Capacitor Charger with 5V Regulated Output
EN/UVLO
EN/UVLO
HG
VIN
CBOOT
VREF
CTRL1
CTRL2
LT3741
RT
SYNC
SW
LG
GND
VC
SENSE+
SENSE–
VCC_INT
100nF
L1
1.0µH
22µF
33nF
R1
2.5m
FB
10nF
47.5k
L1: IHLP4040DZER1R0M01
M1: RJK0365DPA
M2: RJK0346DPA
R1: VISHAY WSL25122L500FEA
4.7nF
82.5k
50k
38.3k
10
10
3741 TA02
12.1k
150µF
2
2.2µF
RNTC
470k
100µF
M1
M2
VIN
10V TO 36V
VOUT
20A MAXIMUM
1µF
SS
RHOT
45.3k
Efficiency and Power Loss
vs Load Current
IOUT (A)
0 2 4 6 8 10 12 14 16 18 20 22 24
3
4
6
5
3741 TA02c
2
1
0
26
VIN = 20V
VOUT = 5V
ILIMIT = 20A
VOUT vs IOUT
LOAD CURRENT (A)
0
100
90
80
70
95
75
85
30
25
10
20
0
15
5
15
3741 TA02b
25
20
10
5
EFFICIENCY
POWER LOSS
VIN = 20V
VOUT = 5V
Typical applicaTions



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