lt3573 Linear Technology Corporation, lt3573 Datasheet - Page 22

• Manufacturer Part Number: lt3573
• Description: Isolated Flyback Converter Without An Opto-coupler
• Manufacturer: Linear Technology Corporation

LT3573
TYPICAL APPLICATIONS
22
5V TO 15V
V
IN
V
5V
IN
3573 TA10
R6
20.5k
C1
10
3573 TA09
μ
C1
10
R6
26.1k
F
μ
F
R5
10k
R1
100k
R2
36k
R5
10k
R1
200k
R2
90.9k
5V Isolated Flyback Converter Using Coupling Inductor
C2
10nF
C2
10nF
SHDN/UVLO
R
TC
SS
ILIM
SHDN/UVLO
R
VC
TC
SS
ILIM
VC
R7
10k
300V Isolated Flyback Converter
C3
1000pF
R7
56.2k
C3
1500pF
LT3573
GND
V
LT3573
IN
GND
V
IN
D1: TOSHIBA CRF02
D2: ZETEX ZHCS 506TA
TEST
T1: BH ELECTRONICS, L10-1022
D1: B220A
D2: CMD5H-3
TEST
R
BIAS
R
REF
V
SW
R
FB
IN
BIAS
R
REF
V
SW
FB
IN
90.9k
R4
6.04k
R3
C6
0.22
26.1k
R4
6.04k
R3
C6
0.22
μ
F
μ
F
R8
4.7k
R8
2k
D2
D2
23.6
26
μ
T1
μ
T1
H
H
1:1
1:17
23.6
7.583mH
D1
μ
H
D1
C5
47
μ
V
5V, 0.2A
F
V
OUT
OUT
C5, 0.47
POLY FILM
V
300V, 5mA
V
+
–
OUT
OUT
+
μ
–
F , 400V
3573f