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參數(shù)資料
| 型號： | LM78LXX |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 3-Terminal Positive Regulators |
| 中文描述： | 三端穩(wěn)壓器正 |
| 文件頁數(shù)： | 6/14頁 |
| 文件大小： | 685K |
| 代理商： | LM78LXX |
LM78LXX Electrical Characteristics
Limits in standard typeface are for T
J
= 25C,
Bold typeface
applies over 0C to 125C for SO-8 and TO-92 packages, and 40C to 85C for micro SMD package.
Limits are
guaranteed by production testing or correlation techniques using standard Statistical Quality Control (SQC) methods. Unless
otherwise specified: I
O
= 40mA, C
I
= 0.33μF, C
O
= 0.1μF. (Continued)
LM78L12AC
(Continued)
Unless otherwise specified, V
IN
= 19V
Symbol
Parameter
V
IN
(Min)
Minimum Value of Input Voltage
Required to Maintain Line Regulation
Conditions
Min
Typ
Max
Units
13.7
14.5
V
LM78L15AC
Unless otherwise specified, V
IN
= 23V
Symbol
V
O
Output Voltage
Parameter
Conditions
Min
14.4
Typ
15.0
Max
15.6
Units
V
17.5V
≤
V
IN
≤
30V
1mA
≤
I
O
≤
40mA
(Note 3)
1mA
≤
I
O
≤
70mA
(Note 3)
17.5V
≤
V
IN
≤
30V
20V
≤
V
IN
≤
30V
1mA
≤
I
O
≤
100mA
1mA
≤
I
O
≤
40mA
14.25
15.75
14.25
15.75
V
O
Line Regulation
37
25
35
12
3
250
140
150
75
5
1
0.1
mV
V
O
Load Regulation
I
Q
Quiescent Current
Quiescent Current Change
mA
I
Q
20V
≤
V
IN
≤
30V
1mA
≤
I
O
≤
40mA
V
n
Output Noise Voltage
Ripple Rejection
90
μV
f = 120 Hz
18.5V
≤
V
IN
≤
28.5V
37
51
dB
I
PK
Peak Output Current
Average Output Voltage Tempco
140
mA
I
O
= 5mA
1.3
mV/C
V
IN
(Min)
Minimum Value of Input Voltage
Required to Maintain Line Regulation
16.7
17.5
V
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device
outside of its stated operating conditions.
Note 2:
Human body model, 1.5 k
in series with 100pF.
Note 3:
Power dissipation
≤
0.75W.
Note 4:
Recommended minimum load capacitance of 0.01μF to limit high frequency noise.
Note 5:
Typical thermal resistance values for the packages are:
Z
Package:
θ
JC
= 60 C/W, =
θ
JA
= 230 C/W
M
Package:
θ
JA
= 180 C/W
micro SMD
Package:
θ
JA
= 230.9C/W
L
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|---|---|
| LM78LXX_10 | 制造商:HTC 制造商全稱:HTC Korea TAEJIN Technology Co. 功能描述:3-TERMINAL 0.1A POSITIVE VOLTAGE REGULATOR |
| LM78LXX_12 | 制造商:HTC 制造商全稱:HTC Korea TAEJIN Technology Co. 功能描述:3-TERMINAL 0.1A POSITIVE VOLTAGE REGULATOR |
| LM78LXXA | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:3-Terminal 0.1A Positive Voltage Regulator |
| LM78LXXA3 | 制造商:CYSTEKEC 制造商全稱:Cystech Electonics Corp. 功能描述:Low Current Positive Voltage Regulator |
| LM78LXXM3 | 制造商:CYSTEKEC 制造商全稱:Cystech Electonics Corp. 功能描述:Low Current Positive Voltage Regulator |
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