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MC78L15A Schematic ( PDF Datasheet ) - Fairchild Semiconductor

Teilenummer MC78L15A
Beschreibung 3-Terminal 0.1A Positive Voltage Regulator
Hersteller Fairchild Semiconductor
Logo Fairchild Semiconductor Logo 




Gesamt 14 Seiten
MC78L15A Datasheet, Funktion
www.fairchildsemi.com
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






MC78L15A Datasheet, Funktion
MC78LXXA/LM78LXXA/MC78L05AA
Electrical Characteristics(MC78L15A) (Continued)
(VI = 23V, IO = 40mA, 0°C TJ 125°C, CI = 0.33 μF, CO = 0.1μF, unless otherwise specified. (Note1))
Parameter
Symbol
Conditions
Min. Typ. Max. Unit
Output Voltage
VO TJ = 25°C
14.4 15 15.6 V
Line Regulation (Note1)
ΔVO TJ = 25°C
17.5V VI 30V
20V VI 30V
- 25 300 mV
- 20 250 mV
Load Regulation (Note1)
ΔVO TJ = 25°C
1mA IO 100mA - 25 150 mV
1mA IO 40mA
- 12 75 mV
Output Voltage
17.5V VI 30V 1mA IO 40mA 14.25 - 15.75 V
VO
17.5V VI
VMAX (Note2)
1mA IO 70mA
14.25 - 15.75 V
Quiescent Current
IQ TJ = 25°C
- 2.1 6.0 mA
Quiescent Current
Change
With Line ΔIQ
With Load ΔIQ
20V VI 30V
1mA IO 40mA
- - 1.5 mA
- - 0.1 mA
Output Noise Voltage
VN TA = 25°C, 10Hz f 100kHz
- 90 - μV/Vo
Temperature Coefficient of VO ΔVO/ΔT IO = 5mA
- -1.3 - mV/°C
Ripple Rejection
RR f = 120Hz, 18.5VVI 28.5V, TJ = 25°C 34 60 - dB
Dropout Voltage
VD TJ = 25°C
- 1.7 -
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.
6

6 Page









MC78L15A pdf, datenblatt
MC78LXXA/LM78LXXA/MC78L05AA
Mechanical Dimensions (Continued)
Package
8-SOP
1.55 ±0.20
0.061 ±0.008
Dimensions in millimeters
MIN
0.1~0.25
0.004~0.001
#1 #8
#4 #5
6.00 ±0.30
0.236 ±0.012
3.95 ±0.20
0.156 ±0.008
1.80
0.071
MAX
0.50 ±0.20
0.020 ±0.008
5.72
0.225
12

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