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LT8646SEVPBF 数据表(PDF) 6 Page - Analog Devices

部件名 LT8646SEVPBF
功能描述  65V, 8A Synchronous Step-Down Silent Switcher 2 with 2.5μA Quiescent Current
PDF  30 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

LT8646SEVPBF 数据表(HTML) 6 Page - Analog Devices

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LT8645S/LT8646S
6
Rev. B
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
EN Pin Thresholds
Reference Voltage
LT8645S Load Regulation
LT8645S Line Regulation
LT8645S No-Load Supply Current
Burst Mode Operation Efficiency
vs Inductor Value (LT8645S)
LT8646S Load Regulation
LT8646S Line Regulation
LT8646S No-Load Supply Current
VOUT = 5V
ILOAD = 10mA
L = WE–LHMI7050
VIN = 12V
VIN = 24V
INDUCTOR VALUE (µH)
1
2
3
4
5
6
7
8
9
10
65
70
75
80
85
90
95
100
8645S G10
TEMPERATURE (°C)
–50 –25
0
25
50
75
100 125
961
963
965
967
969
971
973
975
977
979
8645S G11
EN RISING
EN FALLING
TEMPERATURE (°C)
–50 –25
0
25
50
75
100 125
0.95
0.96
0.97
0.98
0.99
1.00
1.01
1.02
1.03
8645S G12
LOAD CURRENT (A)
0
1
2
3
4
5
6
7
8
–0.10
–0.05
0
0.05
0.10
0.15
0.20
8645S G13
VOUT = 5V
VIN = 12V
VSYNC = 0V
VOUT = 5V
VIN = 12V
VSYNC = 0V
LOAD CURRENT (A)
0
1
2
3
4
5
6
7
8
–0.50
–0.40
–0.30
–0.20
–0.10
0.00
0.10
0.20
0.30
0.40
8645S G14
VOUT = 5V
ILOAD = 2A
INPUT VOLTAGE (V)
5
15
25
35
45
55
65
–0.10
–0.05
0.00
0.05
0.10
0.15
0.20
8645S G15
VOUT = 5V
ILOAD = 2A
INPUT VOLTAGE (V)
5
15
25
35
45
55
65
–0.10
–0.05
0
0.05
0.10
0.15
0.20
0.25
0.30
LT8646S Line Regulation
8645S G16
VOUT = 5V
L = 4.7µH
IN REGULATION
INPUT VOLTAGE (V)
0
10
20
30
40
50
60
25
50
75
100
125
150
175
200
225
8645S G18
VOUT = 3.3V
L = 4.7µH
IN-REGULATION
INPUT VOLTAGE (V)
0
10
20
30
40
50
60
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
8645S G17



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