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參數(shù)資料
| 型號： | MC7808CDT |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 2.25 A, 4.5-V to 18-V Input Wide Adjust Miniature Power Module 5-DIP MODULE -40 to 85 |
| 中文描述： | 8 V FIXED POSITIVE REGULATOR, PSSO2 |
| 封裝： | DPAK-3 |
| 文件頁數(shù)： | 15/16頁 |
| 文件大?。?/td> | 278K |
| 代理商： | MC7808CDT |
MC7800, MC7800A, LM340, LM340A Series
15
MOTOROLA ANALOG IC DEVICE DATA
Figure 11. Worst Case Power Dissipation versus
Ambient Temperature (Case 221A)
Figure 12. Input Output Differential as a Function
of Junction Temperature (MC78XXC, AC)
2.5
,
D
P
20
16
12
8.0
4.0
0–50
–25
0
TA, AMBIENT TEMPERATURE (
°
C)
25
50
75
100
125
150
θ
HS = 0
°
C/W
D
i
V
o
–
0.5
0–75
–50
–25
TJ, JUNCTION TEMPERATURE (
°
C)
0
25
50
75
100
125
IO = 0 mA
IO = 20 mA
IO = 1.0 A
IO = 500 mA
IO = 200 mA
VO = 2% of VO
– – –
Extended Curve for MC78XXB
θ
JC = 5
°
C/W
θ
JA = 65
°
C/W
TJ(max) = 150
°
C
θ
HS = 5
°
C/W
θ
HS = 15
°
C/W
No Heatsink
2.0
1.5
1.0
Figure 13. D2PAK Thermal Resistance and Maximum
Power Dissipation versus P.C.B. Copper Length
80
R
θ
,
J
J
°
30
40
50
60
70
1.0
1.5
2.0
2.5
3.0
3.5
0
10
20
30
25
15
5.0
L, LENGTH OF COPPER (mm)
PD(max) for TA = 50
°
C
Minimum
Size Pad
2.0 oz. Copper
L
Free Air
Mounted
Vertically
PD
R
θ
JA
DEFINITIONS
Line Regulation
– The change in output voltage for a
change in the input voltage. The measurement is made under
conditions of low dissipation or by using pulse techniques such
that the average chip temperature is not significantly affected.
Load Regulation
– The change in output voltage for a
change in load current at constant chip temperature.
Maximum Power Dissipation
– The maximum total
device dissipation for which the regulator will operate within
specifications.
Quiescent Current
– That part of the input current that is
not delivered to the load.
Output Noise Voltage
– The rms ac voltage at the output,
with constant load and no input ripple, measured over a
specified frequency range.
Long Term Stability
– Output voltage stability under
accelerated life test conditions with the maximum rated
voltage listed in the devices’ electrical characteristics and
maximum power dissipation.
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and
specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters which may be provided in Motorola
data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals”
must be validated for each customer application by customer’s technical experts. Motorola does not convey any license under its patent rights nor the rights of
others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other
applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury
or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola
and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees
arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that
Motorola was negligent regarding the design or manufacture of the part. Motorola and are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal
Opportunity/Affirmative Action Employer.
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| MC7808CDTRK | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 8V 1A Postive RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| MC7808CDTRKG | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) 8V 1A Postive RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
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