PT6305_14 Datasheet, PDF (2/6 Pages) Texas Instruments – Internal Short Circuit Protection

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CHARACTERISTIC DATA
PT6305, 3.3 VDC
(See Note 1)
PT6307, 2.1 VDC
(See Note 1)
PT6308, 1.2 VDC
(See Note 1)
Efficiency vs Output Current
100
90
80
70
60
50
40
0 0.5 1 1.5 2 2.5 3
Iout-(Amps)
Vin
4.5V
5.0V
5.5V
8.0V
9.0V
Ripple vs Output Current
100
80
Vin
9.0V
60
8.0V
5.5V
40
5.0V
4.5V
20
0
0 0.5 1 1.5 2 2.5 3
Iout-(Amps)
Minimum Input Voltage
4.5
(See Note 2)
4.3
4.1
3.9
3.7
3.5
0
0.5
1
1.5
2
2.5
3
Iout-(Amps)
Thermal Derating (Ta)
3
(See Note 3)
70°C
2.5
85°C
2
90°C
1.5
95°C
1
0.5
0
4.5
6.5
8.5
10.5
Vin-(Volts)
Efficiency vs Output Current
100
90
80
70
60
50
40
0 0.5 1 1.5 2 2.5 3
Iout-(Amps)
Vin
4.5V
5.0V
5.5V
8.0V
9.0V
Ripple vs Output Current
100
80
Vin
9.0V
60
8.0V
5.5V
40
5.0V
4.5V
20
0
0 0.5 1 1.5 2 2.5 3
Iout-(Amps)
Minimum Input Voltage
4.5
(See Note 2)
4.25
4
3.75
3.5
0
0.5
1
1.5
2
2.5
3
Iout-(Amps)
Thermal Derating (Ta)
3
2.5
2
(See Note 3)
85°C
90°C
95°C
1.5
1
0.5
0
4.5
6.5
8.5
10.5
Vin-(Volts)
Efficiency vs Output Current
100
90
80
70
60
50
40
0 0.5 1 1.5 2 2.5 3
Iout-(Amps)
Vin
4.5V
5.0V
5.5V
6.0V
Ripple vs Output Current
100
80
Vin
60
6.0V
5.5V
40
5.0V
4.5V
20
0
0 0.5 1 1.5 2 2.5 3
Iout-(Amps)
Minimum Input Voltage
4.5
(See Note 2)
4.25
4
3.75
3.5
0
0.5
1
1.5
2
2.5
3
Iout-(Amps)
Thermal Derating (Ta)
3
2.5
(See Note 3)
85°C
90°C
2
1.5
1
0.5
0
4.5
5
5.5
6
Vin-(Volts)
Power Dissipation vs Output Current
3
2.5
2
1.5
1
0.5
Vin
9.0V
8.0V
5.5V
5.0V
4.5V
Power Dissipation vs Output Current
3
2.5
Vin
2
9.0V
8.0V
1.5
5.5V
1
5.0V
4.5V
0.5
Power Dissipation vs Output Current
3
2.5
Vin
2
6.0V
1.5
5.5V
5.0V
1
4.5V
0.5
0
0 0.5 1 1.5 2 2.5 3
Iout-(Amps)
0
0 0.5 1 1.5 2 2.5 3
Iout-(Amps)
0
0
0.5
1 1.5
2
2.5
3
Iout-(Amps)
Note 1: All data listed in the above graphs, except for derating data, has been developed from actual products tested at 25°C. This data is considered typical data for the ISR.
Note 2: Minimum Vin data is typical and is not guaranteed. The data corresponds to a 2% output voltage drop.
Note 3: Thermal derating graphs are developed in free air convection cooling of 40-60 LFM with no optional heat tab soldered in a printed circuit board. (See Thermal Application Notes).
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