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LTC7103 Scheda tecnica(PDF) 9 Page - Analog Devices

Il numero della parte LTC7103
Spiegazioni elettronici  Six-Phase, Synchronous Bidirectional Buck or Boost Controller
PDF  48 Pages
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Produttore elettronici  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

LTC7103 Scheda tecnica(HTML) 9 Page - Analog Devices

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LTC7871
9
Rev. 0
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
Quiescent Current vs Temperature
Shutdown Current vs Temperature
FREQ Pin Source Current
vs Temperature
SETCUR Pin Source Current
vs Temperature
Current Sense Threshold
vs ITH Voltage (DCR)
Maximum Current Sense
Threshold vs Feedback Voltage—
BUCK (DCR)
Current Sense Threshold
vs ITH Voltage—(RSENSE)
Maximum Current Sense
Threshold vs Feedback Voltage—
BUCK (RSENSE)
Overcurrent Fault Threshold
vs Temperature
TA = 25°C, unless otherwise noted.
VHIGH = 48V
TEMPERATURE (°C)
–45 –20
5
30
55
80 105 130 155
7.0
8.0
9.0
10.0
11.0
12.0
13.0
Quiescent Current vs Temperature
7871 G10
VHIGH = 48V
TEMPERATURE (°C)
–45 –20
5
30
55
80 105 130 155
20.0
30.0
40.0
50.0
60.0
Shutdown Current vs Temperature
7871 G11
TEMPERATURE (°C)
–45 –20
5
30
55
80 105 130 155
18.5
19.0
19.5
20.0
20.5
21.0
21.5
vs Temperature
7871 G12
TEMPERATURE (°C)
–45 –20
5
30
55
80 105 130 155
15.0
15.2
15.4
15.6
15.8
16.0
16.2
16.4
16.6
16.8
17.0
vs Temperature
7871 G13
GND
1/4 V5
FLOAT
3/4 V5
V5
ITH VOLTAGE (V)
0
0.5
1
1.5
2
–50
–40
–30
–20
–10
0
10
20
30
40
50
7871 G14
GND
1/4 V5
FLOAT
3/4 V5
V5
FEEDBACK VOLTAGE (V)
0
0.2
0.4
0.6
0.8
1.0
1.2
0
10
20
30
40
50
60
70
BUCK (DCR)
7871 G15
GND
1/4 V5
FLOAT
3/4 V5
V5
ITH VOLTAGE (V)
0
0.5
1
1.5
2
–70
–50
–30
–10
10
30
50
70
vs ITH Voltage (RSENSE)
7871 G16
GND
1/4 V5
FLOAT
3/4 V5
V5
FEEDBACK VOLTAGE (V)
0
0.2
0.4
0.6
0.8
1.0
1.2
0
10
20
30
40
50
60
70
80
SENSE
7871 G17
GND
1/4 V5
FLOAT
3/4 V5
V5
TEMPERATURE (°C)
–45 –20
5
30
55
80 105 130 155
0
20
40
60
80
100
Temperature
7871 G18



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