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參數(shù)資料
| 型號： | PT78SR112S |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | -1.5 AMP NEGATIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR |
| 中文描述： | -1.5放大器負降壓集成開關穩(wěn)壓器 |
| 文件頁數(shù)： | 2/3頁 |
| 文件大小： | 222K |
| 代理商： | PT78SR112S |
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
23
W
ide
Input
Range
Pr
oducts
DA
T
A
SHEETS
CHARACTERISTIC
DA T A
PT79SR105, -5.0 VDC (See Note 1)
PT79SR112, -12.0 VDC (See Note 1)
PT79SR115, -15.0 VDC (SeeNote1)
Efficiency vs Output Current
Ripple vs Output Current
Power Dissipation vs Output Current
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 soldered in a printed circuit board. (See Thermal Application Notes.)
Thermal Derating (Ta)
(See Note 2)
Thermal Derating (Ta)
(See Note 2)
Thermal Derating (Ta)
(See Note 2)
PT79SR100 Series
Efficiency
-
%
Ripple-(mV)
Iout-(Amps)
PD-(W
atts)
Efficiency
-
%
Ripple-(mV)
Iout-(Amps)
PD-(W
atts)
Efficiency
-
%
Ripple-(mV)
Iout-(Amps)
PD-(W
atts)
Iout-(Amps)
Vin-(Volts)
Iout-(Amps)
Vin-(Volts)
Iout-(Amps)
Vin-(Volts)
40
50
60
70
80
90
100
0
0.25
0.5
0.75
1
1.25
1.5
9V
10.0V
15.0V
20.0V
25.0V
30.0V
Vin
0
10
20
30
40
50
60
0
0.25
0.5
0.75
1
1.25
1.5
30.0V
25.0V
20.0V
15.0V
10.0V
9V
Vin
0
0.5
1
1.5
2
0
0.25
0.5
0.75
1
1.25
1.5
30.0V
25.0V
20.0V
15.0V
10.0V
9V
Vin
40
50
60
70
80
90
100
0
0.25
0.5
0.75
1
1.25
1.5
16.0V
20.0V
25.0V
30.0V
Vin
0
0.5
1
1.5
2
2.5
0
0.25
0.5
0.75
1
1.25
1.5
30.0V
25.0V
20.0V
16.0V
Vin
40
50
60
70
80
90
100
0
0.25
0.5
0.75
1
1.25
1.5
19.0V
21.0V
24.0V
27.0V
30.0V
Vin
0
30
60
90
120
150
0
0.25
0.5
0.75
1
1.25
1.5
30.0V
27.0V
24.0V
21.0V
19.0V
Vin
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
7
9 11 13 15 17 19 21 23 25 27 29 31
60C
70C
85C
50C
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
15
17
19
21
23
25
27
29
31
60C
70C
85C
50C
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
18
20
22
24
26
28
30
60C
70C
85C
50C
0
20
40
60
80
100
0
0.25
0.5
0.75
1
1.25
1.5
30.0V
25.0V
20.0V
16.0V
Vin
0
0.5
1
1.5
2
2.5
0
0.25
0.5
0.75
1
1.25
1.5
30.0V
27.0V
24.0V
21.0V
19.0V
Vin
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PT78SR112V | 制造商:TI 制造商全稱:Texas Instruments 功能描述:-1.5 AMP NEGATIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR |
| PT78SR115H | 制造商:TI 制造商全稱:Texas Instruments 功能描述:-1.5 AMP NEGATIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR |
| PT78SR115S | 制造商:TI 制造商全稱:Texas Instruments 功能描述:-1.5 AMP NEGATIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR |
| PT78SR115V | 制造商:TI 制造商全稱:Texas Instruments 功能描述:-1.5 AMP NEGATIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR |
| PT78SR152H | 制造商:TI 制造商全稱:Texas Instruments 功能描述:-1.5 AMP NEGATIVE STEP-DOWN INTEGRATED SWITCHING REGULATOR |
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