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參數(shù)資料
| 型號(hào)： | PT5548N |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, SMA3 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大小： | 195K |
| 代理商： | PT5548N |
For technical support and more information, see inside back cover or visit www.ti.com
SLTS175 FEBRUARY 2003
Note A:
Characteristic data 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.
Efficiency vs Output Current
Ripple vs Output Current
Power Dissipation vs Output Current
PT5545, 9VDC (See Note A)
Safe Operating Area; Vin =5V (See Note B)
Typical Characteristics
PT5540 Series
12-W 5-V Input Step-Up (Boost)
Integrated Switching Regulator
Efficiency vs Output Current
Ripple vs Output Current
Power Dissipation vs Output Current
PT5542, 15VDC (See Note A)
Safe Operating Area; Vin =5V (See Note B)
Efficiency vs Output Current
Ripple vs Output Current
Power Dissipation vs Output Current
PT5541, 12VDC (See Note A)
Safe Operating Area; Vin =5V (See Note B)
50
60
70
80
90
100
0
0.2
0.4
0.6
0.8
1
Iout (A)
Efficiency
-
%
9.0V
7.0V
5.0V
VIN
0
50
100
150
200
250
300
0
0.2
0.4
0.6
0.8
1
Iout (A)
Ripple
-
mV
5.0V
6.0V
7.0V
8.0V
9.0V
VIN
0
0.5
1
1.5
2
2.5
0
0.2
0.4
0.6
0.8
1
Iout (A)
Pd
-
Watts
5.0V
6.0V
7.0V
8.0V
9.0V
VIN
50
60
70
80
90
100
0
0.15
0.3
0.45
0.6
0.75
Iout (A)
Efficiency
-
%
9.0V
8.0V
7.0V
6.0V
5.0V
VIN
0
40
80
120
160
200
240
0
0.15
0.3
0.45
0.6
0.75
Iout (A)
Ripple
-
mV
5.0V
6.0V
7.0V
8.0V
9.0V
VIN
0
0.5
1
1.5
2
2.5
0
0.15
0.3
0.45
0.6
0.75
Iout (A)
Pd
-
Watts
5.0V
6.0V
7.0V
8.0V
9.0V
VIN
50
60
70
80
90
100
0
0.3
0.6
0.9
1.2
1.5
Iout (A)
Efficiency
-
%
8.0V
7.0V
6.0V
5.0V
V
IN
0
50
100
150
200
250
0
0.3
0.6
0.9
1.2
1.5
Iout (A)
Ripple
-
mV
5.0V
6.0V
7.0V
8.0V
VIN
0
0.5
1
1.5
2
2.5
0
0.3
0.6
0.9
1.2
1.5
Iout (A)
Pd
-
Watts
5.0V
6.0V
7.0V
8.0V
VIN
20
30
40
50
60
70
80
90
0
0.2
0.4
0.6
0.8
1
Iout (A)
Ambient
Temperature
(°C)
200LFM
120LFM
60LFM
Nat Conv
Airflow
20
30
40
50
60
70
80
90
0
0.15
0.3
0.45
0.6
0.75
Iout (A)
Ambient
Temperature
(
°C)
200LFM
120LFM
60LFM
Nat Conv
Airflow
20
30
40
50
60
70
80
90
0
0.3
0.6
0.9
1.2
1.5
Iout (A)
Ambient
Temperature
(
°C)
200LFM
120LFM
60LFM
Nat Conv
Airflow
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