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LT8650SPJVPBF Datasheet(PDF) 5 Page - Analog Devices

Part # LT8650SPJVPBF
Description  Dual Channel 6A, 42V, Synchronous Step-Down Silent Switcher 2 with 6.2μA Quiescent Current
PDF  34 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT8650SPJVPBF Datasheet(HTML) 5 Page - Analog Devices

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LT8650SP
5
Rev. B
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
3.3VOUT Efficiency
3.3VOUT Efficiency
Efficiency at Different fSW
Efficiency vs fSW
Reference Voltage
EFFICIENCY
POWER LOSS
L = XFL5030, 1.0µH
12V
24V
36V
LOAD CURRENT (A)
0
1
2
3
4
5
6
40
45
50
55
60
65
70
75
80
85
90
95
100
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
fSW = 2MHz
FCM
8650sp G03
FCM
BURST
L = XFL5030, 1.0µH
12V
24V
36V
LOAD CURRENT (mA)
0.1
1
10
100
1k
10k
0
10
20
30
40
50
60
70
80
90
100
fSW = 2MHz
8650sp G04
0.5MHz 2.2µH
1MHz 1.5µH
2MHz 1.5µH
3MHz 1.5µH
LOAD CURRENT (A)
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
70
75
80
85
90
95
100
8650sp G05
L = IHLP2525EZ-01
3.3VOUT
12VIN
1.8A LOAD
3.3VOUT
L = IHLP2525EZ–01, 1.5µH
12VIN
SWITCHING FREQUENCY (MHz)
0.5
1
1.5
2
2.5
3
70
75
80
85
90
95
100
8650sp G06
TEMPERATURE (°C)
–55 –25
5
35
65
95
125 155
0.790
0.792
0.794
0.796
0.798
0.800
0.802
0.804
0.806
0.808
0.810
8650sp G07
Load Regulation
Line Regulation
No Load Supply Current with
Internal Compensation
CH1
CH2
OUTPUT CURRENT (A)
0
1
2
3
4
5
6
–0.40
–0.30
–0.20
–0.10
0.00
0.10
0.20
0.30
0.40
VIN1 = VIN2 = 12V
VOUT1 = 5V, VOUT2 = 3.3V
FCM, fSW = 2MHz
8650sp G08
INPUT VOLTAGE (V)
0
5
10 15 20 25 30 35 40 45
–0.4
–0.3
–0.2
–0.1
0.0
0.1
0.2
0.3
0.4
VIN1 = VIN2
IOUT = 0A
8650sp G09
INPUT VOLTAGE (V)
5
10
15
20
25
30
35
40
0
2
4
6
8
10
12
14
16
18
20
VIN1 = VIN2
VOUT1 = 5V, VOUT2 = 3.3V
IN REGULATION
SYNC = 0V, VBIAS = VOUT2
8650sp G10
BOTH CHANNELS ENABLED
ONLY CHANNEL 2 ENABLED



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