PT6320 Datasheet, PDF (2/7 Pages) Texas Instruments – 3 AMP ADJUSTABLE LOW VOLTAGE INPUT INTEGRATED SWITCHING REGULATORS

CHARACTERISTIC DATA
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PT6320 Series
PT6323, 3.3 VDC (See Note 1)
PT6322, 5.0 VDC (See Note 1)
Efficiency vs Output Current
100
90
Vin
80
9.0V
12.0V
70
15.0V
20.0V
26.0V
60
50
40
0
0.5
1
1.5
2
2.5
3
Iout-(Amps)
Efficiency vs Output Current
100
90
80
70
60
50
40
0
0.5
1
1.5
2
2.5
3
Iout-(Amps)
Vin
9.0V
12.0V
15.0V
24.0V
30.0V
38.0V
Ripple vs Output Current
160
140
120
V
Vin
100
26.0V
20.0V
80
15.0V
12.0V
60
9.0V
40
20
0
0
0.5
1
1.5
2
2.5
3
Iout-(Amps)
Ripple vs Output Current
180
160
140
Vin
38.0V
120
30.0V
24.0V
100
15.0V
12.0V
80
9.0V
60
40
20
0
0
0.5
1
1.5
2
2.5
3
Iout-(Amps)
Thermal Derating (Ta)
3
2.5
(See Note 2)
60°C
70°C
2
85°C
1.5
1
0.5
0
9
11 13 15 17 19 21 23 25 27
Vin-(Volts)
Thermal Derating (T_a) (See Note 2)
3
50°C
60°C
2.5
2
70°C
85°C
1.5
1
0.5
0
9
13 17 21 25 29 33 37
Vin-(Volts)
Power Dissipation vs Output Current
3.5
3
2.5
Vin
26.0V
2
20.0V
15.0V
1.5
12.0V
9.0V
1
0.5
0
0
0.5
1
1.5
2
2.5
3
Iout-(Amps)
Power Dissipation vs Output Current
3.5
3
2.5
Vin
38.0V
2
30.0V
24.0V
15.0V
1.5
12.0V
9.0V
1
0.5
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: Thermal derating graphs are developed in free air convection cooling of 40-60 LFM. (See Thermal Application note.)
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