LT3758EDD View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LT3758EDD Datasheet PDF : 36 Pages
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LT3758/LT3758A
Typical Applications
8V to 72V Input, 12V Output SEPIC Converter
VIN
8V TO 72V
CIN
2.2µF
100V
X7R
×2
41.2k
300kHz
154k
VIN
SHDN/UVLO
•
L1A
CDC
2.2µF
100V
D1
X7R, ×2 MBRS3100T3G
32.4k
LT3758
SYNC
GATE
SENSE
RT
SS
FBX
VC
GND INTVCC
M1
Si7456DP
0.012Ω
L1B
•
0.47µF
10k
10nF
CVCC
4.7µF
10V
X5R
+
105k
1%
15.8k
1%
L1A, L1B: COILTRONICS DRQ127-220
COUT1
47µF
20V
×2
3758 TA08a
VOUT
12V
2A
COUT2
10µF
16V
X5R
×4
Efficiency vs Output Current
100
90
80
70
60
50
40
30
20
10
0.001
VIN = 8V
VIN = 42V
VIN = 72V
0.01
0.1
1
OUTPUT CURRENT (A)
10
3758 TA08b
Related Parts
PART NUMBER
LT3757A
LT3759
LT3957A
LT3958
LT3573/LT3574/
LT3575
LT3511/LT3512
LT3798
LT3799/LT3799-1
DESCRIPTION
Boost, Flyback, SEPIC and Inverting Controller
Boost, SEPIC and Inverting Controller
Boost, Flyback, SEPIC and Inverting Controller
with 5A, 40V Switch
Boost, Flyback, SEPIC and Inverting Controller
with 3.3A, 84V Switch
40V Isolated Flyback Converters
COMMENTS
2.9V ≤ VIN ≤ 40V, Current Mode Control, 100kHz to 1MHz Programmable
Operation Frequency, 3mm × 3mm DFN-10 and MSOP-10E Packages
1.6V ≤ VIN ≤ 42V, Current Mode Control, 100kHz to 1MHz Programmable
Operation Frequency, MSOP-12E Packages
3V ≤ VIN ≤ 40V, Current Mode Control, 100kHz to 1MHz Programmable Operation
Frequency, 5mm × 6mm QFN Package
5V ≤ VIN ≤ 80V, Current Mode Control, 100kHz to 1MHz Programmable Operation
Frequency, 5mm × 6mm QFN Package
Monolithic No-Opto Flybacks with Integrated 1.25A/0.65A/2.5A Switch
100V Isolated Flyback Converters
Offline Isolated No Opto-Coupler Flyback
Controller with Active PFC
Offline Isolated Flyback LED Controllers with
Active PFC
Monolithic No-Opto Flybacks with Integrated 240mA/420mA Switch
VIN and VOUT Limited Only by External Components, MSOP-16 Package
VIN and VOUT Limited Only by External Components, MSOP-16 Package
36 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
3758afd
LT 0712 REV D • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2009
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