Datasheet

LT3724
20
3724fd
TYPICAL APPLICATIONS
12V to 24V/50W Boost (Step-Up) Converter
Efficiency and Power Loss vs Load Current
4
R3
4.7M
R6
40.2k
R2
187k
R1
10k
V
IN
SHDN
C
SS
BURST_EN
V
FB
V
C
SGND
BOOST
TG
SW
V
CC
PGND
SENSE
+
SENSE
–
M1
D2
SBM540
3724 TA02
LT3724
1
3
5
6
7
8
16
15
14
12
11
10
9
C3
4700pF
C2
120pF
C4
1µF
25V
C1
1500pF
0.1µF
25V
C
OUT1
330µF
35V
C
OUT2
2.2µF x3
50V
C
IN
= SANYO, 25SVP33M
L1 = VISHAY, IHLP-5050FD-011
M1 = SILICONIX, Si7370DP
C
OUT1
= SANYO, 35CV330AXA
C
OUT2
= TDK, C4532X7R1H225K
D2 = DIODESINC., SBM540
R
SENSE
= IRC LRF2512-01-R0I5-F
C
IN
33µF ×2
25V
V
IN
8V TO16V
R
SENSE
0.015Ω
L1
10µH
V
OUT
24V AT 50W
R
CSS
200k
D1
BAV99
LOAD CURRENT (A)
0.1
EFFICIENCY (%)
POWER LOSS (W)
100
98
96
94
92
90
88
3.0
2.5
2.0
1.5
1.0
0
0.5
1 10
3724 F08
V
IN
= 8V
V
IN
= 12V
V
IN
= 16V
LOSS
V
IN
= 12V