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LT8331 Datasheet(HTML) 25 Page - Analog Devices

Part No. LT8331
Description  Low IQ Boost/SEPIC/Flyback/Inverting Converter with 0.5A, 140V Switch
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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LT8331 Datasheet(HTML) 25 Page - Analog Devices

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LT8331
25
Rev. C
For more information www.analog.com
TYPICAL APPLICATIONS
4.5V to 80V Input, 12V SEPIC Converter
4.5V to 80V Input, 5V SEPIC Converter
8331 TA07
D1: ROHM RB578VAM100TR
L1, L2: COILTRONICS DRQ74-330
C1: MURATA GRM32ER72A105KA01L
C3: MURATA GRM32ER71E226KE15L
C5: MURATA GRM31CR72A105KA01L
R2
154k
C5
1µF
R3
1M
R4
787k
C4
0.1µF
R5
63.4k
C2
1µF
VOUT = 12V
IN
SW1-2
EN/UVLO
LT8331
VIN
4.5V TO
80V
L1
33 H
R1
1M
L2
33 H
75mA AT VIN = 4.5V
120mA AT VIN = 12V
120mA AT VIN = 24V
120mA AT VIN = 48V
120mA AT VIN = 80V
SYNC/MODE
GND
FBX
BIAS
SS
VOUT
450kHz
C3
22µF
C1
1µF
×2
V
RT
INTVCC
D1
INTVCC
INTVCC
8331 TA08
D1: ROHM RB578VAM100TR
L1, L2: COILTRONICS DRQ74-330
C1: MURATA GRM32ER72A105KA01L
C3: MURATA GRM31CR61A476ME15L
C5: MURATA GRM31CR72A105KA01L
R2
464k
C5
1µF
R3
1M
R4
787k
C4
0.1µF
R5
100k
C2
1µF
VOUT = 5V
IN
SW1-2
EN/UVLO
LT8331
VIN
4.5V TO
80V
L1
33 H
R1
1M
L2
33 H
130mA AT VIN = 4.5V
175mA AT VIN = 12V
180mA AT VIN = 24V
180mA AT VIN = 48V
180mA AT VIN = 80V
SYNC/MODE
GND
FBX
BIAS
SS
VOUT
300kHz
C3
47µF
×2
C1
1µF
V
RT
INTVCC
D1
INTVCC
INTVCC


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