Datasheet
LT8302
26
Rev E
For more information www.analog.com
ANALOG DEVICES, INC. 2013-2019
07/19
www.analog.com
RELATED PARTS
TYPICAL APPLICATION
4V to 42V
IN
/48V
OUT
Boost Converter
Efficiency vs Load Current
V
IN
SW
LT8302
L1
22µH
D1
Z1
GND
R
FB
R
REF
EN/UVLO
C3
10µF
D1: DIODES PDS560
L1: WÜRTH 7443551221
Z1: CENTRAL CMHZ5262B
C2
1µF
V
IN
4V TO 42V
C1
10µF
R5
10k
8302 TA10a
V
OUT
48V/1.4A (V
IN
= 42V)
48V/0.8A (V
IN
= 24V)
48V/0.4A (V
IN
= 12V)
48V/0.15A (V
IN
= 5V)
R4
464k
R3
1M
INTV
CC
LOAD CURRENT (mA)
0
70
EFFICIENCY (%)
75
80
85
90
100
250 500
8302 TA10b
1500750 1000 1250
95
V
IN
= 5V
V
IN
= 12V
V
IN
= 24V
V
IN
= 42V
PART NUMBER DESCRIPTION COMMENTS
LT8301 42V
IN
Micropower Isolated Flyback Converter with 65V/1.2A
Switch
Low I
Q
Monolithic No-Opto Flyback 5-Lead TSOT-23
LT8300 100V
IN
Micropower Isolated Flyback Converter with
150V/260mA Switch
Low I
Q
Monolithic No-Opto Flyback, 5-Lead TSOT-23
LT8309 Secondary-Side Synchronous Rectifier Driver 4.5V ≤ V
CC
≤ 40V, Fast Turn-On and Turn-Off, 5-Lead TSOT-23
LT3573/LT3574
LT3575
40V Isolated Flyback Converters Monolithic No-Opto Flybacks with Integrated 1.25A/0.65A/2.5A
Switch
LT3511/LT3512 100V Isolated Flyback Converters Monolithic No-Opto Flybacks with Integrated 240mA/420mA
Switch, MSOP-16(12)
LT3748 100V Isolated Flyback Controller 5V ≤ V
IN
≤ 100V, No-Opto Flyback, MSOP-16(12)
LT3798 Off-Line Isolated No-Opto Flyback Controller with Active PFC V
IN
and V
OUT
Limited Only by External Components
LT3757A/LT3759
LT3758
40V/100V Flyback/Boost Controllers Universal Controllers with Small Package and Powerful Gate Drive
LT3957/LT3958 40V/80V Boost/Flyback Converters Monolithic with Integrated 5A/3.3A Switch
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