参数资料
型号: 78SR174VC
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 1.5 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, SMA3
封装: ROHS COMPLIANT, VERTICAL MOUNT PACKAGE-3
文件页数: 2/6页
文件大小: 193K
代理商: 78SR174VC
For assistance or to order, call (800) 531-5782
Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com
3
DA
T
A
SHEETS
CHARACTERISTIC
DA T A
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
9
1317
2125
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
9
12
1518
212427
3033
3639
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
16
19
22
25
28
31
34
37
40
78SR133_ 3.3 VDC
(See Note 1)
78SR105_ 5.0 VDC (See Note 1)
78SR112_ 12.0 VDC (See Note 1)
Efficiency vs Output Current
Ripple vs Output Current
Thermal Derating (Ta)
(See Note 2)
Power Dissipation vs Output Current
Efficiency
(%)
Ripple
(mV)
Iout
(A)
Pd
(W
atts)
Efficiency
(%)
Efficiency
(%)
Ripple
(mV)
Ripple
(mV)
Iout
(A)
Iout
(A)
Pd
(W
atts)
Pd
(W
atts)
Iout (A)
Vin (Volts)
85°C
60°C
70°C
85°C
70°C
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 Notes.)
60°C
70°C
78SR100
Series
Efficiency vs Output Current
Ripple vs Output Current
Thermal Derating (Ta)
(See Note 2)
Thermal Derating (Ta)
(See Note 2)
Power Dissipation vs Output Current
40
50
60
70
80
90
100
0.0
0.5
1.0
1.5
7.0V
10.0V
15.0V
20.0V
25.0V
30.0V
Vin
0
10
20
30
40
50
60
0.0
0.5
1.0
1.5
7.0V
10.0V
15.0V
20.0V
25.0V
30.0V
Vin
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0.0
0.5
1.0
1.5
7.0V
10.0V
15.0V
20.0V
25.0V
30.0V
Vin
40
50
60
70
80
90
100
0.0
0.5
1.0
1.5
7.0V
10.0V
15.0V
20.0V
25.0V
30.0V
Vin
0
10
20
30
40
50
60
70
80
0.0
0.5
1.0
1.5
7.0V
10.0V
15.0V
20.0V
25.0V
30.0V
Vin
60°C
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0.0
0.5
1.0
1.5
7.0V
10.0V
15.0V
20.0V
25.0V
30.0V
Vin
40
50
60
70
80
90
100
0.0
0.5
1.0
1.5
14.0V
20.0V
25.0V
30.0V
35.0V
Vin
0
20
40
60
80
100
120
140
0.0
0.5
1.0
1.5
14.0V
20.0V
25.0V
30.0V
35.0V
Vin
0.0
0.5
1.0
1.5
2.0
2.5
0.0
0.5
1.0
1.5
14.0V
20.0V
25.0V
30.0V
35.0V
Vin
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