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LT8338 Fiches technique(PDF) 17 Page - Analog Devices

No de pièce LT8338
Description  40V, 1.2A Micropower Synchronous Boost Converter with PassThru
PDF  20 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

LT8338 Fiches technique(HTML) 17 Page - Analog Devices

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LT8338
17
Rev. 0
For more information www.analog.com
3V to 3.6V Input, 5V Output Boost Converter
Efficiency
VIN = 3.0V
VIN = 3.3V
VIN = 3.6V
LOAD CURRENT (mA)
1
10
100
1k
0
10.00
20.00
30.00
40.00
50.00
60.00
70.00
80.00
90.00
100.00
8338 TA05b
VOUT
2.2µH
EN/UVLO
VIN
SW
SYNC/MODE
INTVCC
CTRL
BST
VOUT
GND
RT
LT8338
0.1µF
40.2k
1MEG
121k
2.2µF
2.2µF
4.7µF
562k
1MEG
0.01µF
VIN
(3V TO 3.6V)
L
C4
C2
C3
R2
R1
RT
400mA
(5V)
C1
R3
R4
8338 TA05a
C5
2.20MHz
L: WURTH ELEKTRONIK 744764902
C1: TDK CGA4J3X7R1H225K125AB
C2: TDK CGA4J1X7R1H475K125AC
TYPICAL APPLICATION
3V to 40V Input, 24V Output Pre-Boost Converter
Efficiency
VIN = 3V
VIN = 21V
LOAD CURRENT (mA)
1
10
100
1k
0
10
20
30
40
50
60
70
80
90
100
8338 TA04b
VOUT
VIN
4.7µH
EN/UVLO
VIN
SW
SYNC/MODE
INTVCC
CTRL
BST
VOUT
GND
RT
LT8338
0.1µF
40.2k
953k
1MEG
2.2µF
2.2µF
4.7µF
619k
1MEG
0.01µF
(3V TO 40V)
L
C4
C2
C3
R2
R1
RT
80mA
(24V)
C1
R3
R4
8338 TA04a
2.20MHz
C4
L: WURTH ELEKTRONIK 78438336047
C1: TDK CGA4J3X7R1H225K125AB
C2: TDK CGA4J1X7R1H475K125AC



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