LT8301
TYPICAL APPLICATIONS
8V to 36VIN/24VOUT Micropower Isolated Flyback Converter
VIN
8V TO 36V
4.7µF
806k
VIN
EN/UVLO
SW
232k
LT8301
RFB
GND
D2
T1
Z1
1:2
•
40µH
160µH
D1
•
VOUT+
24V
1.2mA TO 130mA (VIN = 12V)
1.2mA TO 180mA (VIN = 24V)
4.7µF 1.2mA TO 200mA (VIN = 36V)
121k
8301 TA04a VOUT–
D1: CENTRAL CMHD4448
D2: ST STPS1150A
T1: WÜRTH 750313975
Z1: CENTRAL CMDZ5248B
Efficiency vs Load Curent
95
90
85
80
75
70
65
0
VIN = 12V
VIN = 24V
VIN = 36V
50
100
150
200
LOAD CURRENT (mA)
8301 TA04b
VIN
8V TO 36V
8V to 36VIN/48VOUT Micropower Isolated Flyback Converter
4.7µF
806k
VIN
EN/UVLO
SW
232k
LT8301
RFB
GND
D2
T1
1:4
Z1
•
40µH
640µH
D1 •
VOUT+
48V
0.6mA TO 70mA (VIN = 12V)
1µF
0.6mA TO 90mA (VIN = 24V)
0.6mA TO 100mA (VIN = 36V)
118k
8301 TA03 VOUT–
D1: CENTRAL CMHD4448
D2: DIODES BAV21W-7-F
T1: WÜRTH 750313976
Z1: CENTRAL CMDZ5252B
Rev. B
20
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