參數(shù)資料
型號： MC78M12ACT
廠商： MOTOROLA INC
元件分類： 基準電壓源/電流源
英文描述： 12Vout 1.5Amp Wide-Input Positive Step-Down ISR 3-SIP MODULE
中文描述： 12 V FIXED POSITIVE REGULATOR, PSFM3
封裝： PLASTIC, TO-220, 3 PIN
文件頁數(shù)： 7/12頁
文件大小： 189K
代理商： MC78M12ACT
MC78M00 MC78M00A Series
DEFINITIONS
7
MOTOROLA ANALOG IC DEVICE DATA
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.
Input Bias 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.
Figure 1. DPAK Thermal Resistance and Maximum
Power Dissipation versus P.C.B. Copper Length
100
Free Air
Mounted
Vertically
Figure 2. Worst Case Power Dissipation
versus Ambient Temperature (TO–220)
,
D
θ
JC = 5
°
C/W
PD(max) = 7.52 W
No Heat Sink
θ
HS = 20
°
C/W
θ
HS = 10
°
C/W
Infinite Heat
Sink
R
θ
,
J
J
°
L, LENGTH OF COPPER (mm)
PD
R
θ
JA
10
5.0
3.0
2.0
1.0
0.5
0.3
0.2
0.1
40
50
60
70
80
90
TA, AMBIENT TEMPERATURE (
°
C)
25
50
75
100
125
150
0
10
20
30
25
15
5.0
L
2.0 oz. Copper
PD(max) for TA = 50
°
C
0
0.4
0.8
1.2
1.6
2.0
2.4
Minimum
Size Pad
相關(guān)PDF資料
PDF描述
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MC78M20ACT Replaced by PTH12030W,PTH08T210W :
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC78M12ACTG 功能描述:線性穩(wěn)壓器 - 標準 12V 500mA Positive 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 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L
MC78M12BDT 功能描述:線性穩(wěn)壓器 - 標準 12V 500mA Positive 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 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L
MC78M12BDTG 功能描述:線性穩(wěn)壓器 - 標準 12V 500mA Positive 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 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L
MC78M12BDTG 制造商:ON Semiconductor 功能描述:Linear Voltage Regulator IC
MC78M12BDTRK 功能描述:線性穩(wěn)壓器 - 標準 12V 500mA Positive 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 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L
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