LT8302MPS8E Просмотр технического описания (PDF) - Linear Technology
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LT8302MPS8E
Linear Technology
LT8302MPS8E Datasheet PDF : 26 Pages
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LT8302
Typical Application
4V to 42VIN/48VOUT Boost Converter
VIN
4V TO 42V
L1
22µH
D1
VIN
SW
VOUT
48V/1.4A (VIN = 42V)
48V/0.8A (VIN = 24V)
48V/0.4A (VIN = 12V)
48V/0.15A (VIN = 5V)
C1
10µF
EN/UVLO
RFB
LT8302
R3
1M
R4 Z1
464k
INTVCC
RREF
C2
R5
1µF
GND
10k
C3
10µF
D1: DIODES PDS560
L1: WÜRTH 7443551221
Z1: CENTRAL CMHZ5262B
8302 TA10a
Efficiency vs Load Current
100
95
90
85
80
75
70
0
VIN = 5V
VIN = 12V
VIN = 24V
VIN = 42V
250 500 750 1000 1250 1500
LOAD CURRENT (mA)
8302 TA10b
Related Parts
PART NUMBER
LT8301
LT8300
LT8309
LT3573/LT3574
LT3575
LT3511/LT3512
LT3748
LT3798
LT3757A/LT3759
LT3758
LT3957/LT3958
DESCRIPTION
42VIN Micropower Isolated Flyback Converter with 65V/1.2A
Switch
100VIN Micropower Isolated Flyback Converter with
150V/260mA Switch
Secondary-Side Synchronous Rectifier Driver
40V Isolated Flyback Converters
100V Isolated Flyback Converters
100V Isolated Flyback Controller
Off-Line Isolated No-Opto Flyback Controller with Active PFC
40V/100V Flyback/Boost Controllers
COMMENTS
Low IQ Monolithic No-Opto Flyback 5-Lead TSOT-23
Low IQ Monolithic No-Opto Flyback, 5-Lead TSOT-23
4.5V ≤ VCC ≤ 40V, Fast Turn-On and Turn-Off, 5-Lead TSOT-23
Monolithic No-Opto Flybacks with Integrated 1.25A/0.65A/2.5A
Switch
Monolithic No-Opto Flybacks with Integrated 240mA/420mA
Switch, MSOP-16(12)
5V ≤ VIN ≤ 100V, No-Opto Flyback, MSOP-16(12)
VIN and VOUT Limited Only by External Components
Universal Controllers with Small Package and Powerful Gate Drive
40V/80V Boost/Flyback Converters
Monolithic with Integrated 5A/3.3A Switch
26 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 950F3o5r -m7o4r1e7information www.linear.com/LT8302
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LT8302
8302fa
LT 1114 REV A • PRINTED IN USA
LINEAR TECHNOLOGY CORPORATION 2013
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