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LT8610AC Datasheet(PDF) 9 Page - Analog Devices

Part # LT8610AC
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

LT8610AC Datasheet(HTML) 9 Page - Analog Devices

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Data Sheet
LT8615
analog.com
Rev 0
9 of 31
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, unless otherwise noted.
Figure 4. 12VIN to 5VOUT Efficiency vs. Frequency
Figure 5. 12VIN to 3.3VOUT Efficiency vs. Frequency
Figure 6. Efficiency at 5VOUT
Figure 7. Efficiency at 3.3VOUT
Figure 8. Light Load Efficiency at 5VOUT
Figure 9. Light Load Efficiency at 3.3VOUT
1.0
2.0
3.0
EFFICIENCY
POWER LOSS
L = XGL6060
400kHz, L = 6.8µH
1MHz, L = 3.3µH
2MHz, L = 1.5µH
LOAD CURRENT (A)
0
0.5
1.5
2.5
3.5
65
70
75
80
85
90
95
100
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
EFFICIENCY
POWER LOSS
L = XGL6060
400kHz, L = 6.8µH
1MHz, L = 3.3µH
2MHz, L = 1.5µH
LOAD CURRENT (A)
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
65
70
75
80
85
90
95
100
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
1.0
2.0
3.0
EFFICIENCY
POWER LOSS
L = XGL6060, 3.3µH
fSW = 1MHz
12VIN
24VIN
36VIN
LOAD CURRENT (A)
0
0.5
1.5
2.5
3.5
65
70
75
80
85
90
95
100
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
1.0
2.0
3.0
EFFICIENCY
POWER LOSS
L = XGL6060, 3.3µH
fSW = 1MHz
12VIN
24VIN
36VIN
LOAD CURRENT (A)
0
0.5
1.5
2.5
3.5
65
70
75
80
85
90
95
100
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
12VIN
24VIN
36VIN
LOAD CURRENT (mA)
0.1
1
10
100
1000
10
20
30
40
50
60
70
80
90
100
BURST MODE OPERATION
L = XGL6060-332ME, 3.3µH
fSW = 1MHz
BURST MODE OPERATION
L = XGL6060-332ME, 3.3µH
fSW = 1MHz
12VIN
24VIN
36VIN
LOAD CURRENT (mA)
0.1
1
10
100
1000
10
20
30
40
50
60
70
80
90
100



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