PT6447 Datasheet, PDF (3/9 Pages) Texas Instruments – 6-A 5-V/3.3-V Input Adjustable Integrated Switching Regulator

PT6440 Series
6-A 5-V/3.3-V Input Adjustable
Integrated Switching Regulator
Typical Characteristics
PT6440 Series Performance; @V_IN =5.0V (See Note A)
Efficiency Vs Output Current
100
90
PT6441
PT6442
80
PT6443
PT6444
70
PT6445
PT6446
PT6447
60
50
0
1
2
3
4
5
6
Iout (A)
Ripple Vs Output Current
60
50
PT6446
40
PT6443
PT6444
30
PT6442
PT6445
20
PT6441
PT6447
10
0
0
1
2
3
4
5
6
Iout (A)
Power Dissipation Vs Output Current
2.5
2
1.5
PT6441/2
PT6443/4
PT6445/6
1
PT6447
0.5
0
0
1
2
3
4
5
6
Iout (A)
PT6440 Series Performance; @V_IN =3.3V (See Note A)
Efficiency Vs Output Current
100
90
PT6442
80
PT6443
PT6444
PT6445
70
PT6446
PT6447
60
50
0
1
2
3
4
5
6
Iout (A)
Ripple Vs Output Current
60
50
40
PT6446
PT6447
30
PT6445
PT6444
PT6443
20
PT6442
10
0
0
1
2
3
4
5
6
Iout (A)
Power Disspiation Vs Output Current
2.5
2
1.5
PT6442/3/4
PT6445/6
1
PT6447
0.5
0
0
1
2
3
4
5
6
Iout (A)
Safe Operating Area Curves (See Note B)
PT6440 Series, V_IN =5.0V
90.0
80.0
70.0
Airflow
200LFM
60.0
120LFM
50.0
60LFM
Nat conv
40.0
30.0
20.0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Iout (A)
Safe Operating Area Curves (See Note B)
PT6440 Series, V_IN =3.3V
90.0
80.0
70.0
Airflow
200LFM
60.0
120LFM
50.0
60LFM
Nat conv
40.0
30.0
20.0
0.0
1.0
2.0
3.0
4.0
5.0
6.0
Iout (A)
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: SOA curves represent the conditions at which internal components are at or below the manufacturer’s maximum operating temperatures
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