Datasheet

LT3573
26
3573fd
For more information www.linear.com/LT3573
LINEAR TECHNOLOGY CORPORATION 2008
LT 1213 REV D • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com/LT3573
RELATED PARTS
TYPICAL APPLICATION
9V to 30V
IN
, +5V/–5V
OUT
Isolated Flyback Converter
SHDN/UVLO
TC
SS
SW
VC GND BIAS
LT3573
3573 TA11
R5
28.7k
R6
10k
V
IN
9V TO 30V
V
IN
T1
3:1:1:1
R1
357k
R2
51.1k
C1
10
µF
L1A
63
µH
R4
6.04k
R3
80.6k
V
OUT
+
+5V, 350mA
COM
V
OUT
–
–5V, 350mA
D1
C5
47µF
D2
C6
47
µF
L1B
7µH
L1C
7µH
C3
2700pF
R7
23.7k
C4
4.7µF
C2
10nF
*OPTIONAL THIRD
WINDING FOR
>24V OPERATION
T1: W
ÜRTH ELEKTRONIK 750310564
D3
L1D
7
µH
R8
2k
D4
C6
0.22
µF
TEST
R
ILIM
R
FB
R
REF
PART NUMBER DESCRIPTION COMMENTS
LT8300 100V
IN
Micropower Isolated Flyback Converter with
150V/260mA Switch
Low I
Q
Monolithic No-Opto Flybacks, 5-Lead TSOT23
LT3574/LT3575 40V Isolated Flyback Converters Monolithic No-Opto Flybacks with Integrated 0.65A/2.5A Switch
LT3511/LT3512 100V Isolated Flyback Converters Monolithic No-Opto Flybacks with Integrated 240mA/420mA
Switch, MSOP-16(12)
LT3748 100V Isolated Flyback Controller 5V ≤ V
IN
≤ 100V, No-Opto Flyback, MSOP-16(12)
LT3798 Off-Line Isolated No-Opto Flyback Controller with Active PFC V
IN
and V
OUT
Limited Only by External Components
LT3757A/LT3759
LT3758
40V/100V Flyback/Boost Controllers Universal Controllers with Small Package and Powerful Gate Drive
LT3957/LT3958 40V/80V Boost/Flyback Converters Monolithic with Integrated 5A/3.3A Switch
LTC
®
3803/LTC3803-3
LTC3803-5
200kHz/300kHz Flyback Controller in SOT-23 V
IN
and V
OUT
Limited Only by External Components
LTC3805/LTC3805-5 Adjustable Frequency Flyback Controllers V
IN
and V
OUT
Limited Only by External Components