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LTC7151S Datasheet(PDF) 9 Page - Analog Devices

Part # LTC7151S
Description  Dual Channel 6A, 20V PolyPhase Step-Down Silent Switcher 2 with Digital Power System Management
PDF  38 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC7151S Datasheet(HTML) 9 Page - Analog Devices

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LT7182S
9
Rev. 0
For more information www.analog.com
Switch RDSON vs Temperature
Minimum On-Time
TYPICAL PERFORMANCE CHARACTERISTICS
Minimum Off-Time
READ_TEMPERATURE Error vs
Temperature
EXTVCC Idle Current vs
Temperature
TJ Rise vs Load
Case Temperature Rise
READ_IOUT Error vs IOUT
TOP SWITCH
BOTTOM SWITCH
TEMPERATURE (°C)
–60 –40 –20 0 20 40 60 80 100 120 140 160
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
7182s G08
ILOAD = 0A
ILOAD = 1A
ILOAD = 2A
ILOAD = 3A
TEMPERATURE (°C)
–60 –40 –20 0 20 40 60 80 100 120 140 160
10
15
20
25
30
35
40
7182s G09
ILOAD = 1A
ILOAD = 2A
ILOAD = 3A
TEMPERATURE (°C)
–60 –40 –20 0 20 40 60 80 100 120 140 160
30
35
40
45
50
55
60
65
70
75
80
85
90
7182s G10
ACTUAL TEMPERATURE (°C)
–60 –40 –20 0 20 40 60 80 100 120 140 160
–5
–4
–3
–2
–1
0
1
2
3
4
5
7182s G11
CH[0] AND CH[1] DISABLED
TEMPERATURE (°C)
–60 –40 –20 0 20 40 60 80 100 120 140 160
6.00
6.25
6.50
6.75
7.00
7.25
7.50
7.75
8.00
8.25
8.50
8.75
9.00
7182s G12
EXTVCC = 4V
DEMO BOARD IN STILL AIR
PVIN = 12V
VOUT = 0.8V
EXTVCC = 4V
1MHz
2MHz
LOAD CURRENT (SINGLE CHANNEL) (A)
0
1
2
3
4
5
6
7
8
9
0
5
10
15
20
25
30
35
40
45
50
55
60
65
7182s G13
DEMO BOARD IN STILL AIR
PVIN = 12V
VOUT = 0.8V
EXTVCC = 4V
1MHz
2MHz
LOAD CURRENT (SINGLE CHANNEL) (A)
0
1
2
3
4
5
6
7
8
9
0
5
10
15
20
25
30
35
40
45
50
55
60
65
7182s G14
12VIN, 0.8VOUT, 1MHz
12VIN, 1.8VOUT, 2MHz
5VIN, 2.5VOUT, 3MHz
LOAD CURRENT (A)
0
1
2
3
4
5
6
7
8
9
–200
–160
–120
–80
–40
0
40
80
120
160
200
7182s G15



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