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MC78L00 반도체 회로 부품 판매점

Three-Terminal Low Current Positive Voltage Regulators



Motorola Semiconductors 로고
Motorola Semiconductors
MC78L00 데이터시트, 핀배열, 회로
Order this document by MC78L00/D
Three-Terminal Low Current
Positive Voltage Regulators
The MC78L00, A Series of positive voltage regulators are inexpensive,
easy–to–use devices suitable for a multitude of applications that require a
regulated supply of up to 100 mA. Like their higher powered MC7800 and
MC78M00 Series cousins, these regulators feature internal current limiting
and thermal shutdown making them remarkably rugged. No external
components are required with the MC78L00 devices in many applications.
These devices offer a substantial performance advantage over the
traditional zener diode–resistor combination, as output impedance and
quiescent current are substantially reduced.
Wide Range of Available, Fixed Output Voltages
Low Cost
Internal Short Circuit Current Limiting
Internal Thermal Overload Protection
No External Components Required
Complementary Negative Regulators Offered (MC79L00 Series)
Available in either ±5% (AC) or ±10% (C) Selections
Representative Schematic Diagram
15k
Q1
3.8k
Q3 Q5
Q4 Q6
Input
Q11
Q12
Q10
5.0k 3.0 Output
0–25k
1.2k
Z1 Q2
420
1.9k 19k 2.2k
C Q9
Q8
Q7
1.0k
2.85k
Ground
ORDERING INFORMATION
Device
Operating
Temperature Range
MC78LXXACD*
MC78LXXACP
MC78LXXCP
TJ = 0° to +125°C
MC78LXXABD*
MC78LXXABP*
TJ = –40° to +125°C
XX indicates nominal voltage
*Available in 5, 8, 9, 12 and 15 V devices.
Package
SOP–8
Plastic Power
Plastic Power
SOP–8
Plastic Power
MC78L00, A
Series
P SUFFIX
CASE 29
Pin 1. Output
2. GND
3. Input
12 3
8
1
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SOP–8)*
Pin 1. Vout
2. GND
3. GND
4. NC
5. NC
6. GND
7. GND
8. Vin
* SOP–8 is an internally modified SO–8 package.
Pins 2, 3, 6, and 7 are electrically common to the die
attach flag. This internal lead frame modification
decreases package thermal resistance and
increases power dissipation capability when
appropriately mounted on a printed circuit board.
SOP–8 conforms to all external dimensions of the
standard SO–8 package.
Standard Application
Input
Cin*
0.33µF
MC78LXX
Output
CO**
A common ground is required between the input
and the output voltages. The input voltage must
remain typically 2.0 V above the output voltage even
during the low point on the input ripple voltage.
*Cin is required if regulator is located an
*appreciable distance from power supply filter.
**CO is not needed for stability; however, it does
*improve transient response.
DEVICE TYPE/NOMINAL VOLTAGE
10%
5% Voltage
MC78L05C
MC78L08C
MC78L09C
MC78L12C
MC78L15C
MC78L18C
MC78L24C
MC78L05AC
MC78L08AC
MC78L09AC
MC78L12AC
MC78L15AC
MC78L18AC
MC78L24AC
5.0
8.0
9.0
12
15
18
24
MOTOROLA ANALOG IC DEVICE DATA
© Motorola, Inc. 1996
Rev 3
1


MC78L00 데이터시트, 핀배열, 회로
MC78L00, A Series
MAXIMUM RATINGS (TA = +125°C, unless otherwise noted.)
Rating
Symbol
Input Voltage (2.6 V–8.0 V)
Input Voltage (12 V–18 V)
Input Voltage (24 V)
VI
Storage Temperature Range
Operating Junction Temperature Range
Tstg
TJ
Value
30
35
40
–65 to +150
0 to +150
Unit
Vdc
°C
°C
ELECTRICAL CHARACTERISTICS (VI = 10 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, – 40°C < TJ < +125°C (for MC78LXXAB),
0°C < TJ < +125°C (for MC78LXXAC), unless otherwise noted.)
MC78L05AC, AB
MC78L05C
Characteristics
Symbol
Min
Typ
Max
Min
Typ
Max Unit
Output Voltage (TJ = +25°C)
Line Regulation
(TJ = +25°C, IO = 40 mA)
7.0 Vdc VI 20 Vdc
8.0 Vdc VI 20 Vdc
Load Regulation
(TJ = +25°C, 1.0 mA IO 100 mA)
(TJ = +25°C, 1.0 mA IO 40 mA)
Output Voltage
(7.0 Vdc VI 20 Vdc, 1.0 mA IO 40 mA)
(VI = 10 V, 1.0 mA IO 70 mA)
Input Bias Current
(TJ = +25°C)
(TJ = +125°C)
Input Bias Current Change
(8.0 Vdc VI 20 Vdc)
(1.0 mA IO 40 mA)
Output Noise Voltage
(TA = +25°C, 10 Hz f 100 kHz)
Ripple Rejection (IO = 40 mA,
f = 120 Hz, 8.0 Vdc VI 18 V, TJ = +25°C)
Dropout Voltage (TJ = +25°C)
VO 4.8 5.0 5.2 4.6 5.0 5.4 Vdc
Regline
mV
55 150
55 200
45 100
45 150
Regload
mV
– 11 60 – 11 60
– 5.0 30 – 5.0 30
VO Vdc
4.75 – 5.25 4.5 – 5.5
4.75 – 5.25 4.5 – 5.5
IIB mA
– 3.8 6.0 – 3.8 6.0
– – 5.5 – – 5.5
IIB mA
– – 1.5 – – 1.5
– – 0.1 – – 0.2
Vn
– 40 –
– 40 – µV
RR 41 49 – 40 49 – dB
VI – VO
1.7
– 1.7 – Vdc
ELECTRICAL CHARACTERISTICS (VI = 14 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, – 40°C < TJ < +125°C (for MC78LXXAB),
0°C < TJ < +125°C (for MC78LXXAC), unless otherwise noted.)
MC78L08AC, AB
MC78L08C
Characteristics
Symbol
Min
Typ
Max
Min
Typ
Max Unit
Output Voltage (TJ = +25°C)
Line Regulation
(TJ = +25°C, IO = 40 mA)
10.5 Vdc VI 23 Vdc
11 Vdc VI 23 Vdc
Load Regulation
(TJ = +25°C, 1.0 mA IO 100 mA)
(TJ = +25°C, 1.0 mA IO 40 mA)
Output Voltage
(10.5 Vdc VI 23 Vdc, 1.0 mA IO 40 mA)
(VI = 14 V, 1.0 mA IO 70 mA)
Input Bias Current
(TJ = +25°C)
(TJ = +125°C)
Input Bias Current Change
(11 Vdc VI 23 Vdc)
(1.0 mA IO 40 mA)
Output Noise Voltage
(TA = +25°C, 10 Hz f 100 kHz)
Ripple Rejection (IO = 40 mA,
f = 120 Hz, 12 V VI 23 V, TJ = +25°C)
Dropout Voltage (TJ = +25°C)
VO 7.7 8.0 8.3 7.36 8.0 8.64 Vdc
Regline
mV
20 175
20 200
12 125
12 150
Regload
mV
– 15 80 – 15 80
– 8.0 40 – 6.0 40
VO Vdc
7.6 – 8.4 7.2 – 8.8
7.6 – 8.4 7.2 – 8.8
IIB mA
– 3.0 6.0 – 3.0 6.0
– – 5.5 – – 5.5
IIB mA
– – 1.5 – – 1.5
– – 0.1 – – 0.2
Vn
– 60 –
– 52 – µV
RR 37 57 – 36 55 – dB
VI – VO
1.7
– 1.7 – Vdc
2 MOTOROLA ANALOG IC DEVICE DATA




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