Datasheet

LT3748
28
3748fb
For more information www.linear.com/LT3748
typical applications
Figure 19. 48V, 0.5A Supply from 24V to 96V Input
OUTPUT CURRENT (A)
0
EFFICIENCY (%)
75
80
85
0.3
0.5
3748 F20
70
65
60
0.1 0.2 0.4
90
95
100
V
IN
= 24V
V
IN
= 48V
V
IN
= 96V
Figure 20. Efficiency of 48V Supply of Figure 17
EN/UVLO
TC
SS
R
FB
R
REF
V
C
GND INTV
CC
LT3748
3748 F19
2nF
V
IN
48V TYP
V
OUT
+
48V
0.5A
V
OUT
–
V
IN
T1
1:1
825k
49.9k
4.7
µF
44.1
µH
4.7
µF
100V
×3
GATE
SENSE
0.22µF
4700pF
4.7µF
6.04k
226k
66Ω
150pF
D1
0.030Ω
D1: CENTRAL SEMICONDUCTOR CMR5U-02-LTC
M1: VISHAY Si7464DP
T1: COILTRONICS VERSA-PAC VP4-0060-R
M1
10k
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.