PT6940 Series
6-A Dual Output 5-V/3.3-V Input
Integrated Switching Regulator
Performance Characteristics; Vin =5V (See Note A)
Performance Characteristics; Vin =3.3V (See Note A)
Efficiency vs. Io1 & Io2 Load Currents
Efficiency vs. Io1 & Io2 Load Currents
100
100
95
90
95
90
PT6941
PT6942
85
85
PT6946
PT6943
80
75
70
65
60
PT6947
PT6948
80
75
70
65
60
PT6944
PT6946
PT6947
PT6948
0
1
2
3
4
5
6
0
1
2
3
4
5
6
Iout (A) [Both Outputs ]
Iout (A) [Both Outputs]
Vo1 Ripple vs. Io1 & Io2 Load Currents
Vo1 Ripple vs. Io1 & Io2 Load Currents
35
30
25
20
15
10
5
35
30
25
20
15
10
5
PT6946
PT6947
PT6948
PT6941
PT6942
PT6943
PT6944
PT6946
PT6947
PT6948
0
0
0
1
2
3
4
5
6
0
1
2
3
4
5
6
Iout (A) [Both Outputs]
Iout (A) [Both Outputs]
Vo2 Ripple vs. Io1 & Io2 Load Currents
Vo2 Ripple vs. Io1 & Io2 Load Currents
35
30
25
20
15
10
5
35
30
25
20
15
10
5
PT6941
PT6946
PT6942
PT6947
PT6948
PT6943
PT5944
PT6946
PT6947
PT6948
0
0
0
1
2
3
4
5
6
0
1
2
3
4
5
6
Iout (A) [Both Outputs]
Iout (A) [Both Outputs]
Power Dissipation Vs. Io1 & Io2 Load Currents
Power Dissipation vs. Io1 & Io2 Load Currents
5
4
3
2
1
0
5
4
3
2
1
0
0
1
2
3
4
5
6
0
1
2
3
4
5
6
Iout (A) [Both Outputs]
Iout (A) [Both Outputs]
Note A: Characteristic data has been developed from actual products tested at 25°C. This data is considered typical data for the Converter.
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