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LT8608 Datasheet(PDF) 10 Page - Analog Devices

Part # LT8608
Description  42V, 3.5A Synchronous Step-down Regulator with 2.5μA Quiescent Current
PDF  31 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT8608 Datasheet(HTML) 10 Page - Analog Devices

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Data Sheet
LT8615
analog.com
Rev 0
10 of 31
Figure 10. Feedback Reference Voltage
Figure 11. Load Regulation
Figure 12. Line Regulation
Figure 13. No-Load Supply Current in Regulation
Figure 14. No-Load Supply Current vs. Temperature
(Not Switching)
Figure 15. Top FET Current Limit vs Duty Cycle
TEMPERATURE (°C)
–50
–25
0
25
50
75
100
125
150
782
783
784
785
786
787
788
789
790
791
792
VIN = 12V
VOUT = 3.3V
fSW = 2MHz
BURST MODE
PULSE-SKIP MODE
CURRENT (A)
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
–1.0
–0.8
–0.6
–0.4
–0.2
0.0
0.2
0.4
0.6
0.8
1.0
VIN = 12V
VOUT = 3.3V
fSW = 2MHz
ILOAD = 1A
BURST MODE OPERATION
INPUT VOLTAGE (V)
0
6
12
18
24
30
36
42
–1.0
–0.8
–0.6
–0.4
–0.2
0.0
0.2
0.4
0.6
0.8
1.0
L = XGL6060-152ME, 1.5µH
VOUT = 3.3V
INPUT VOLTAGE (V)
0
5
10
15
20
25
30
35
40
45
0
1
2
3
4
5
VIN = 12V
TEMPERATURE (°C)
–50
–25
0
25
50
75
100
125
150
0
1
2
3
4
5
6
DUTY CYCLE
0.1
0.3
0.5
0.7
0.9
5.5
6.0
6.5
7.0
7.5



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