78L24A 반도체 회로 부품 판매점
3-Terminal 0.1A Positive Voltage Regulator
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 Fairchild Semiconductor |
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
MC78LXXA/LM78LXXA/MC78L05AA
Absolute Maximum Ratings
Parameter
Input Voltage (for VO = 5V to 8V)
(for VO = 12V to 18V)
(for VO = 24V)
Operating Junction Temperature Range
Storage Temperature Range
Thermal Resistance Junction-Case
TO-92
Thermal Resistance Junction-Air
TO-92
SOT-89
8-SOP
Symbol
VI
TJ
TSTG
RθJC
RθJA
Value
30
35
40
0 ~ +150
-65 ~ +150
50
150
225
160
Unit
V
V
V
°C
°C
°C/W
°C/W
°C/W
°C/W
Electrical Characteristics(MC78L05A/LM78L05A)
(VI = 10V, IO = 40mA, 0°C ≤ TJ ≤ 125°C, CI = 0.33μF, CO = 0.1μF, unless otherwise specified. (Note 1)
Parameter
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Symbol
VO
ΔVO
ΔVO
Output Voltage
VO
Quiescent Current
IQ
Quiescent Current With Line
Change
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
7V ≤ VI ≤ 20V
8V ≤ VI ≤ 20V
TJ = 25°C
1mA ≤ IO ≤ 100mA
1mA ≤ IO ≤ 40mA
7V ≤ VI ≤ 20V 1mA ≤ IO ≤ 40mA
7V ≤ VI ≤ VMAX
(Note2)
1mA ≤ IO ≤ 70mA
TJ = 25°C
8V ≤VI ≤ 20V
1mA ≤ IO ≤ 40 mA
TA = 25°C, 10Hz ≤ f ≤ 100kHz
IO = 5mA
f = 120Hz, 8V ≤ VI ≤ 18V, TJ = 25°C
TJ = 25°C
Min.
4.8
-
-
-
-
-
Typ.
5.0
8
6
11
5.0
-
Max.
5.2
150
100
60
30
5.25
Unit
V
mV
mV
mV
mV
V
4.75 - 5.25 V
- 2.0 5.5 mA
- - 1.5 mA
- - 0.1 mA
- 40 - μV/Vo
- -0.65 - mV/°C
41 80 -
dB
- 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.
2
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78L24A regulator
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