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PT5100 Datasheet(PDF) 3 Page - Texas Instruments

Part No. PT5100
Description  1 AMP POSITIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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PT5100 Datasheet(HTML) 3 Page - Texas Instruments

   
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For technical support and more information, see inside back cover or visit www.ti.com
Note A:
Characteristic data has been developed from actual products tested at 25°C. This data is considered typical data for the Converter.
Note B:
Thermal derating graphs are developed in free-air convection cooling, which corresponds to approximately 40–60LFM of airflow.
Typical Characteristics
PT5100 Series
0
0.2
0.4
0.6
0.8
1
15
17
19
21
23
25
27
29
31
33
35
37
39
0
0.2
0.4
0.6
0.8
1
7
1115192327313539
0
0.2
0.4
0.6
0.8
1
7
9
11
13
15
17
19
21
23
25
27
PT5103, 3.3 VDC
(See Note A)
PT5101, 5.0 VDC
(See Note A)
PT5102, 12.0 VDC
(See Note A)
Efficiency vs Output Current
Ripple vs Output Current
Thermal Derating (Ta)
(See Note B)
Power Dissipation vs Output Current
Iout-(Amps)
Iout-(Amps)
Iout-(Amps)
Iout-(Amps)
Iout-(Amps)
Iout-(Amps)
Iout-(Amps)
Iout-(Amps)
Iout-(Amps)
Vin-(Volts)
Vin-(Volts)
Vin-(Volts)
85°C
50°C
60°C
70°C
85°C
70°C
60°C
50°C
0
10
20
30
40
50
60
0
0.2
0.4
0.6
0.8
1
26.0V
24.0V
18.0V
12.0V
9.0V
Vin
0
0.2
0.4
0.6
0.8
1
1.2
0
0.2
0.4
0.6
0.8
1
26.0V
24.0V
18.0V
12.0V
9.0V
Vin
40
50
60
70
80
90
100
0
0.2
0.4
0.6
0.8
1
9.0V
12.0V
18.0V
24.0V
26.0V
Vin
70°C
85°C
40
45
50
55
60
65
70
75
80
85
90
0
0.2
0.4
0.6
0.8
1
9.0V
12.0V
18.0V
24.0V
30.0V
38.0V
Vin
0
20
40
60
80
100
120
0
0.2
0.4
0.6
0.8
1
38.0V
30.0V
24.0V
18.0V
12.0 V
9.0V
Vin
0
0. 2
0. 4
0. 6
0. 8
1
1. 2
1. 4
1. 6
1. 8
0
0.2
0. 4
0.6
0. 8
1
38.0V
30.0V
24.0V
18.0V
12.0V
9.0V
Vin
40
50
60
70
80
90
100
0
0.2
0.4
0.6
0.8
1
16.0V
20.0V
24.0V
30.0V
35.0V
38.0V
Vin
0
50
100
150
200
250
0
0.2
0.4
0.6
0.8
1
38.0V
35.0V
30.0V
24.0V
20.0V
16.0V
Vin
0
0. 4
0. 8
1. 2
1. 6
2
2. 4
0
0.2
0. 4
0.6
0. 8
1
38 .0V
35 .0V
30 .0V
24 .0V
20 .0V
16 .0V
Vin
Efficiency vs Output Current
Efficiency vs Output Current
Ripple vs Output Current
Ripple vs Output Current
Thermal Derating (Ta)
(See Note B)
Thermal Derating (Ta)
(See Note B)
Power Dissipation vs Output Current
Power Dissipation vs Output Current
1-A Positive Step-down
Integrated Switching Regulator


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