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PDF 78L18A Data sheet ( Hoja de datos )
| Número de pieza | 78L18A | |
| Descripción | 3-Terminal 0.1A Positive Voltage Regulator | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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MC78LXXA/LM78LXXA/MC78L05AA
3-Terminal 0.1A Positive Voltage Regulator
Features
• Maximum Output Current of 100mA
• Output Voltage of 5V, 6V, 8V, 12V, 15V, 18V and 24V
• Thermal Overload Protection
• Short Circuit Current Limiting
• Output Voltage Offered in ±5% Tolerance
Description
The MC78LXXA/LM78LXXA/MC78L05AA series of
fixed voltage monolithic integrated circuit voltage
regulators are suitable for application that required supply
current up to 100mA.
TO-92
SOT-89
GND
1 23
123
1. Output 2. GND 3. Input
8-SOP
81
1. Output 2. GND 3. GND 4. NC
5. NC 6. GND 7. GND 8. Input
Internal Block Diagram
InpuVt I
3
I
REFERENCE VOLTAGE
+
-
GND
2
THERMAL SHUTDOWN
CIRCUIT
SHORT CIRCUIT
PROTECTION
©2010 Fairchild Semiconductor Corporation
RSC
VO0 utput
1
Rev. 1.0.6
1 page  
MC78LXXA/LM78LXXA/MC78L05AA
Electrical Characteristics(MC78L12A/LM78L12A) (Continued)
(VI = 19V, IO = 40mA, 0°C ≤ TJ ≤ 125°C, CI = 0.33 μF, CO = 0.1μF, unless otherwise specified. (Note1))
Parameter
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Symbol
VO
ΔVO
ΔVO
Output Voltage
VO
Quiescent Current
IQ
Quiescent Current
Change
With Line
With Load
ΔIQ
ΔIQ
Output Noise Voltage
VN
Temperature Coefficient of VO ΔVO/ΔT
Ripple Rejection
RR
Dropout Voltage
VD
Conditions
TJ = 25°C
TJ = 25°C
14.5V ≤ VI ≤ 27V
16V ≤ VI ≤ 27V
TJ = 25°C
1mA ≤ IO ≤ 100mA
1mA ≤ IO ≤ 40mA
14.5V ≤ VI ≤ 27V 1mA ≤ IO ≤ 40mA
14.5V ≤ VI ≤
VMAX (Note2)
1mA ≤ IO ≤ 70mA
TJ = 25°C
16V ≤ VI ≤ 27V
1mA ≤ IO ≤ 40mA
TA = 25°C, 10Hz ≤ f ≤ 100kHz
IO = 5mA
f = 120Hz, 15V ≤ VI ≤ 25V, TJ = 25°C
TJ = 25°C
Min.
11.5
-
-
-
-
11.4
11.4
-
-
-
-
-
37
-
Typ.
12
20
15
20
10
-
-
2.1
-
-
80
-1.0
65
1.7
Max.
12.5
250
200
100
50
12.6
12.6
6.0
1.5
0.1
-
-
-
-
Unit
V
mV
mV
mV
mV
V
V
mA
mA
mA
μV/Vo
mV/°C
dB
V
Note:
1. The maximum steady state usable output current and input voltage are very dependent on the heat sinking and/or lead length
of the package. The data above represent pulse test conditions with junction temperature as indicated at the initiation of tests.
2. Power dissipation PD ≤ 0.75W.
5
5 Page 
Mechanical Dimensions
Package
4.58
+0.25
–0.15
TO-92
MC78LXXA/LM78LXXA/MC78L05AA
Dimensions in millimeters
0.46 ±0.10
1.27TYP
[1.27 ±0.20]
1.27TYP
[1.27 ±0.20]
3.60 ±0.20
(R2.29)
0.38
+0.10
–0.05
11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet 78L18A.PDF ] | |
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