LT3573EMSE(RevB) 查看數據表（PDF） - Linear Technology
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LT3573EMSE Datasheet PDF : 26 Pages
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Typical Applications
LT3573
5V Isolated Flyback Converter
VIN
12V TO
24V
(*40V)
C1
10µF
R1
499k
VIN
SHDN/UVLO
R2
71.5k
LT3573
RFB
RREF
TC
RILIM
SS
VC
SW
GND TEST BIAS
3:1:1 D1
C6
R8 T1
0.22µF 2k 24µH
2.6µH
D3
R3
80.6k
R4
6.04k
VOUT +
5V, 700mA
C5
47µF
VOUT –
R6
R5
28.7k 10k
3573 TA04
R7
C2
45.3k
10nF C3
1000pF
C4
4.7µF
D2
L1C
2.6µH
*OPTIONAL THIRD
WINDING FOR
40V OPERATION
T1: PULSE PA2454NL
OR WÜRTH ELEKTRONIK 750370047
D1: B340A
D3: 1N4148
C5: MURATA, GRM32ER71A476K
Efficiency
90
80
VIN = 24V
70
VIN = 12V
60
50
40
30
20
10
0
0 200 400 600 800 1000 1200 1400
IOUT (mA)
3573 TA04b
3573fb
19
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