Typical Applications - Linear Technology Analog Devices LT8301 Datasheet

TYPICAL APPLICATIONS

V
2.7V TO 36V
V
8V TO 36V
2.7V to 36V /15V
IN OUT
IN
10µF
V
IN
EN/UVLO
LT8301
GND
Efficiency vs Load Curent
95
90
85
80
75
70
65
0 100
8V to 36V /3.3V
IN OUT
IN
4.7µF
V
IN
806k
EN/UVLO
LT8301
232k
GND
For more information
Micropower Isolated Flyback Converter
D2
T1
1:1
Z1
•
40µH
40µH
10µF
D1
•
SW
150k
8301 TA02a
R
D1: CENTRAL CMHD4448
FB
D2: CENTRAL CMMR1U-02
T1: SUMIDA 12387-T041
Z1: CENTRAL CMDZ5248B
V = 5V
IN
V = 12V
IN
V = 24V
IN
V = 36V
IN
200 300 400
LOAD CURRENT (mA)
8301 TA02b
Micropower Isolated Flyback Converter
D2
T1
4:1
Z1
•
40µH 2.5µH
D1
•
SW
137k
R
D1: CENTRAL CMHD4448
FB
D2: NXP PMEG2020EH
T1: SUMIDA 12387-T036
Z1: CENTRAL CMDZ5250B
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+
V
OUT
15V
2mA TO 130mA (V = 5V)
IN
2mA TO 230mA (V = 12V)
IN
2mA TO 320mA (V = 24V)
IN
2mA TO 370mA (V = 36V)
IN
–
V
OUT
+
V
OUT
3.3V
8.5mA TO 0.95A (V = 12V)
IN
8.5mA TO 1.30A (V = 24V)
IN
47µF
8.5mA TO 1.50A (V = 36V)
IN
–
V
OUT
8301 TA03
LT8301
Rev. A
19