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LT8303 Datasheet(PDF) 21 Page - Linear Technology

Part # LT8303
Description  100VIN Micropower Isolated Flyback Converter with 150V/450mA Switch
PDF  24 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT8303 Datasheet(HTML) 21 Page - Linear Technology

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LT8303
21
8303f
For more information www.linear.com/LT8303
Efficiency vs Load Current
Output Load and Line Regulation
Typical applicaTions
30V to 80VIN, 12VOUT Isolated Flyback Converter
VIN = 36V
VIN = 48V
VIN = 72V
LOAD CURRENT (mA)
0
40
80 120 160 200 240 280 320
11.4
11.6
11.8
12.0
12.2
12.4
12.6
8303 TA04c
VIN = 36V
VIN = 48V
VIN = 72V
LOAD CURRENT (mA)
0
40
80 120 160 200 240 280 320
40
50
60
70
80
90
100
8303 TA04b
LT8303
T1
2:1
D2
Z1
D1
RFB
SW
150µH
37.5µH
EN/UVLO
1M
4.7µF
100V
49.9k
VIN
VIN
30V TO 80V
VOUT+
12V
1mA TO 250mA (VIN = 36V)
1mA TO 270mA (VIN = 48V)
1mA TO 310mA (VIN = 72V)
VOUT–
GND
249k
D1: CENTRAL CMMR1U-02
D2: DIODES DFLS2100-7
T1: SUMIDA PS15-111
Z1: CENTRAL CMHZ5265B
•
•
22µF
25V
8303 TA04a



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