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LT8570 Datasheet(PDF) 20 Page - Analog Devices

Part # LT8570
Description  Low IQ Boost/SEPIC/Inverting Converter with 5A, 40V Switch
PDF  24 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT8570 Datasheet(HTML) 20 Page - Analog Devices

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LT8334
20
Rev. 0
For more information www.analog.com
TYPICAL APPLICATIONS
2MHz, 2.8V to 28V Input, 5V SEPIC Converter
2MHz, 2.8V to 26V Input, 12V SEPIC Converter
R2
464k
R3
20.0k
R1
R4
39k
L1A
1.3µH
L1B
1.3µH
C1
22µF
C2
22µF
×3
C3
4.7µF
C4
0.1µF
C5
1nF
C6
1µF
C7
4.7pF
D1
VIN
2.8V TO 28V
D1: NEXPERIA PMEG4050EP
L1A, L1B: WURTH 744878001
VOUT
5V
2A
AT VIN = 5V
2.9A AT VIN = 12V
3.3A AT VIN = 24V
RT
SS
GND
SYNC/MODE
VC
LT8334
EN/UVLO
INTVCC
BIAS
FBX
VIN
SW
2MHz
1M
VOUT
8334 TA03a
VIN = 5V
VIN = 12V
LOAD CURRENT (A)
0
0.5
1
1.5
2
2.5
3
3.5
50
55
60
65
70
75
80
85
90
95
100
8334 TA03b
R2
154k
R3
20.0k
R4
22k
L1A
2.2µH
L1B
2.2µH
C1
22µF
C2
22µF
×3
C3
4.7µF
C4
0.1µF
C5
1nF
C6
1µF
D1
C7
4.7pF
R1
VIN
2.8V TO 26V
D1: NEXPERIA PMEG4030ER
L1A, L1B: EATON DRQ74-2R2-R
VOUT
12V
1.2A AT VIN = 5V
2A
AT VIN = 12V
2.5A AT VIN = 24V
RT
SS
GND
SYNC/MODE
VC
LT8334
EN/UVLO
INTVCC
BIAS
FBX
VIN
SW
2MHz
1M
VOUT
8334 TA04a
VIN = 5V
VIN = 12V
LOAD CURRENT (A)
0
0.5
1
1.5
2
2.5
50
55
60
65
70
75
80
85
90
95
100
8334 TA04b
Efficiency
Efficiency



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