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LT8331 Datasheet(HTML) 26 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) 26 Page - Analog Devices

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LT8331
26
Rev. C
For more information www.analog.com
TYPICAL APPLICATIONS
36V to 72V Input, –24V Inverting Converter
8331 TA09
D1: ROHM RB558VA150TR
L1, L2: COILTRONICS DRQ127-101
C1: MURATA GRM32DC72A475K11L
C3: MURATA GRM31CR61H106KA12L
C5: MURATA GRM32DC72A475K11L
R2
34.8k
C5
4.7µF
R3
1M
R4
59k
C4
0.1µF
R5
63.4k
C2
1µF
VOUT = –24V
IN
SW1-2
EN/UVLO
LT8331
VIN
36V TO
72V
L1
100 H
R1
1M
L2
100 H
175mA AT VIN = 36V
190mA AT VIN = 48V
200mA AT VIN = 72V
SYNC/MODE
GND
FBX
BIAS
SS
450kHz
C3
10µF
C1
4.7µF
V
RT
INTVCC
D1
4.5V to 80V Input, –12V Inverting Converter
8331 TA10
D1: DIODES INC. DFLS1100
L1, L2: COILTRONICS DRQ74-330
C1: MURATA GRM32ER72A105KA01L
C3: MURATA GRM32ER61A226KE20L
C5: MURATA GRM31CR72A105KA01L
R2
71.5k
C5
1µF
R3
1M
R4
787k
C4
22nF
R5
100k
C2
1µF
VOUT = –12V
IN
SW1-2
EN/UVLO
LT8331
VIN
4.5V TO
80V
L1
33 H
R1
1M
L2
33 H
70mA AT VIN = 4.5V
80mA AT VIN = 12V
80mA AT VIN = 48V
80mA AT VIN = 80V
SYNC/MODE
GND
FBX
BIAS
SS
300kHz
C3
22µF
C1
1µF
×2
V
RT
INTVCC
D1


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