参数资料
型号: 78HT300
厂商: Texas Instruments, Inc.
英文描述: Wide Input Positive Step-Down ISR Family
中文描述: 宽输入正步降 ISR 系列
文件页数: 2/3页
文件大小: 187K
代理商: 78HT300
For assistance or to order, call
(800) 531-5782
7 8 H T 3 0 0
Power Trends, Inc.
27715 Diehl Road, Warrenville, IL 60555
(800) 531-5782
Fax: (630) 393-6902
http://www.powertrends.com
C H A R A C T E R I S T I C D A T A
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)
78HT305_ 5.0 VDC
(See Note 1)
Efficiency vs Output Current
Ripple vs Output Current
Power Dissipation vs Output Current
E
R
P
Iout (A)
Iout (A)
Iout (A)
S e r i e s
Vin
Vin
Vin
40
50
60
70
80
90
100
0.0
0.5
1.0
1.5
2.0
2.5
3.0
8.0V
10.0V
15.0V
20.0V
28.0V
0
10
20
30
40
50
60
0.0
0.5
1.0
1.5
2.0
2.5
3.0
8.0V
10.0V
15.0V
20.0V
28.0V
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
8.0V
10.0V
15.0V
20.0V
28.0V
Thermal Derating (T
a
)
(See Note 2)
I
Vin (Volts)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
8
12
16
20
24
28
60°C
70°C
85°C
50°C
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