Typical Characteristics
PT5071—12V
1.5 Amp, 12V Step-Up/Step-Down
Integrated Switching Regulator
Safe Operating Area Curves (See Note B)
PT5071 Performance, V =12V (See Note A)
o
PT5071, V =7V
Efficiency vs Output Current
in
90
90.0
80.0
70.0
80
70
60
50
Airflow
VIN
200LFM
120LFM
60LFM
60.0
50.0
40.0
30.0
20.0
7.0V
12.0V
16.0V
Nat conv
0
0.3
0.6
0.9
1.2
1.5
0.0
0.3
0.6
0.9
0.9
0.9
1.2
1.2
1.2
1.5
1.5
1.5
Iout (A)
Iout (A)
Ripple vs Output Current
PT5071, V =12V
in
90.0
80.0
70.0
60.0
50.0
40.0
30.0
20.0
250
200
150
100
50
Airflow
VIN
200LFM
120LFM
60LFM
7.0V
12.0V
16.0V
Nat conv
0
0.0
0.3
0.6
Iout (A)
0
0.3
0.6
0.9
1.2
1.5
Iout (A)
PT5071, V =16V
Power Dissipation vs Output Current
in
5
4
3
2
1
0
90.0
80.0
70.0
60.0
50.0
40.0
30.0
20.0
Airflow
VIN
200LFM
120LFM
60LFM
16.0V
12.0V
7.0V
Nat conv
0
0.3
0.6
0.9
1.2
1.5
0.0
0.3
0.6
Iout (A)
Iout (A)
Note A: All Characteristic data in the above graphs has been developed from actual products tested at 25°C. This data is considered typical data for the ISR.
Note B: SOA curves represent operating conditions at which internal components are at or below manufacturer’s maximum rated operating temperatures.
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