Datasheet

LT3748
34
3748fb
For more information www.linear.com/LT3748
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
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www.linear.com
 LINEAR TECHNOLOGY CORPORATION 2010
LT 0215 REV B • PRINTED IN USA
relateD parts
typical application
5V, 2A Output from Automotive Input with Continuous Operation from 6V to 45V
EN/UVLO
TC
SS
R
FB
R
REF
V
C
GND INTV
CC
LT3748
3748 TA02
86.6k
47nF
V
IN
12V TYP
V
OUT
+
5V, 2A
V
OUT
–
V
IN
T1
2:1
D1
D2
825k
215k
10
µF
8.3
µH
GATE
SENSE
100µF
10V
18.2Ω
2.2nF
4.7µF
6.04k
330pF
48.7k
0.016Ω
D1: DIODES INC. SBR8U60P5
D2: DIODES INC. BZT52C5V6
M1: Si7738DP
T1: PULSE PA3177NL
M1
24.7k
PART NUMBER DESCRIPTION COMMENTS
LT8300 100V
IN
Micropower Isolated Flyback Converter with
150V/260mA Switch
Low I
Q
Monolithic No-Opto Flybacks, 5-Lead TSOT-23
LT8301 42V
IN
Micropower Isolated Flyback Converter with
65V/1.2A Switch
Low I
Q
Monolithic No-Opto Flybacks, 5-Lead TSOT-23
LT8302 42V
IN
Micropower Isolated Flyback Converter with
65V/3.6A Switch
Low I
Q
Monolithic No-Opto Flybacks, 8-Lead SO-8E
LT8309 Secondary-Side Synchronous Rectifier Driver 4.5V ≤ V
CC
≤ 40V, Fast Turn-On and Turn-Off, 5-Lead TSOT-23
LT3573 40V Isolated Flyback Converter Monolithic No-Opto Flyback with Integrated 1.25A, 60V Switch
LT3574/LT3575 40V Isolated Flyback Converters Monolithic No-Opto Flybacks with Integrated 0.65A / 2.5A 60V Switch
LT3757/LT3758 40V/100V Flyback, Boost Controllers Universal Controllers with Small Package and Powerful Gate Drive
LT3957/LT3958 40V/100V Flyback, Boost Converters Monolithic with Integrated 5A/3.3A Switch
LT1725 20V Isolated Flyback Controller Controller with Load Compensation Circuitry
LT1737 20V Isolated Flyback Controller No Opto-Isolator or Third Winding Required, Up to 50W Output
LTC
®
3803/LTC3803-3
LTC3803-5
200kHz/300kHz Flyback DC/DC Controllers 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
[phone]
●
FAX: [phone]
●
www.linear.com/LT3748
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