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参数资料
| 型号： | PT7681N |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 30 A SWITCHING REGULATOR, 350 kHz SWITCHING FREQ-MAX, MSMA27 |
| 封装： | ROHS COMPLIANT, METAL, SIP-27 |
| 文件页数： | 9/14页 |
| 文件大小： | 305K |
| 代理商： | PT7681N |
For technical support and more information, see inside back cover or visit www.ti.com
Performance Characteristics; VOUT =3.3V (See Note A)
Safe Operating Area Curves (See Note B)
Efficiency vs Output Current; VIN =5V
Ripple vs Output Current
Power Dissipation vs Output Current; VIN =5V
PT7681, VIN =5VDC, VOUT =3.3V
PT7681—5V
Typical Characteristics
20
30
40
50
60
70
80
90
0
5
10
15
20
25
30
Iout (A)
Ambient
Temperature
(°C)
400LFM
200LFM
60LFM
Nat conv
Airflow
20
30
40
50
60
70
80
90
0
5
10
15
20
25
30
Iout (A)
Ambient
Temperature
(
°C)
400LFM
200LFM
60LFM
Nat conv
Airflow
PT7681, VIN =5VDC, VOUT =2.5V
Note A: All characteristic data in the above graphs has been developed from actual products tested at 25°C. This data is considered typical for the ISR.
Note B: SOA curves represent operating conditions at which internal components are at or below manufacturer’s maximum rated operating temperatures.
50
60
70
80
90
100
0
5
10
15
20
25
30
Iout (A)
Efficiency
-
%
0.00
2.00
4.00
6.00
8.00
10.00
12.00
0
5
10
15
20
25
30
Iout (A)
Pd
-
Watts
0
10
20
30
40
50
60
0
5
10
15
20
25
30
Iout (A)
Ripple
-
mV
5.5V
5.0V
4.5V
VIN
30-A Programmable ISR
With Margin Up/Down Controls
SLTS177
B - DECEMBER 2002 - REVISED JULY 2006
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