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MC78L05 の電気的特性と機能

MC78L05のメーカーはMotorola Semiconductorsです、この部品の機能は「Three-Terminal Low Current Positive Voltage Regulators」です。


製品の詳細 ( Datasheet PDF )

部品番号 MC78L05
部品説明 Three-Terminal Low Current Positive Voltage Regulators
メーカ Motorola Semiconductors
ロゴ Motorola Semiconductors ロゴ 




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MC78L05 Datasheet, MC78L05 PDF,ピン配置, 機能
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

1 Page





MC78L05 pdf, ピン配列
MC78L00, A Series
ELECTRICAL CHARACTERISTICS (VI = 15 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.)
MC78L09AC, AB
MC78L09C
Characteristics
Symbol
Min
Typ
Max
Min
Typ
Max Unit
Output Voltage (TJ = +25°C)
Line Regulation
(TJ = +25°C, IO = 40 mA)
11.5 Vdc VI 24 Vdc
12 Vdc VI 24 Vdc
VO 8.6 9.0 9.4 8.3 9.0 9.7 Vdc
Regline
mV
20 175
20 200
12 125
12 150
Load Regulation
(TJ = +25°C, 1.0 mA IO 100 mA)
(TJ = +25°C, 1.0 mA IO 40 mA)
Regload
mV
– 15 90 – 15 90
– 8.0 40 – 6.0 40
Output Voltage
(11.5 Vdc VI 24 Vdc, 1.0 mA IO 40 mA)
(VI = 15 V, 1.0 mA IO 70 mA)
VO Vdc
8.5 – 9.5 8.1 – 9.9
8.5 – 9.5 8.1 – 9.9
Input Bias Current
(TJ = +25°C)
(TJ = +125°C)
IIB mA
– 3.0 6.0 – 3.0 6.0
– – 5.5 – – 5.5
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)
IIB mA
– – 1.5 – – 1.5
– – 0.1 – – 0.2
Vn
– 60 –
– 52 – µV
Ripple Rejection (IO = 40 mA,
f = 120 Hz, 13 V VI 24 V, TJ = +25°C)
RR 37 57 – 36 55 – dB
Dropout Voltage
(TJ = +25°C)
VI – VO
1.7
– 1.7 – Vdc
ELECTRICAL CHARACTERISTICS (VI = 19 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.)
MC78L12AC, AB
MC78L12C
Characteristics
Symbol
Min
Typ
Max
Min
Typ
Max Unit
Output Voltage (TJ = +25°C)
VO 11.5 12 12.5 11.1 12 12.9 Vdc
Line Regulation
(TJ = +25°C, IO = 40 mA)
14.5 Vdc VI 27 Vdc
16 Vdc VI 27 Vdc
Load Regulation
(TJ = +25°C, 1.0 mA IO 100 mA)
(TJ = +25°C, 1.0 mA IO 40 mA)
Regline
mV
– 120 250 – 120 250
– 100 200 – 100 200
Regload
20 100
10 50
mV
20 100
10 50
Output Voltage
(14.5 Vdc VI 27 Vdc, 1.0 mA IO 40 mA)
(VI = 19 V, 1.0 mA IO 70 mA)
VO Vdc
11.4 – 12.6 10.8 – 13.2
11.4 – 12.6 10.8 – 13.2
Input Bias Current
(TJ = +25°C)
(TJ = +125°C)
IIB mA
– 4.2 6.5 – 4.2 6.5
– – 6.0 – – 6.0
Input Bias Current Change
(16 Vdc VI 27 Vdc)
(1.0 mA IO 40 mA)
IIB mA
– – 1.5 – – 1.5
– – 0.1 – – 0.2
Output Noise Voltage
(TA = +25°C, 10 Hz f 100 kHz)
Vn
– 80 –
– 80 – µV
Ripple Rejection (IO = 40 mA,
f = 120 Hz, 15 V VI 25 V, TJ = +25°C)
RR 37 42 – 36 42 – dB
Dropout Voltage
(TJ = +25°C)
VI – VO
1.7
– 1.7 – Vdc
MOTOROLA ANALOG IC DEVICE DATA
3


3Pages


MC78L05 電子部品, 半導体
MC78L00, A Series
Figure 1. Dropout Characteristics
8.0
MC78L05C
Vout = 5.0 V
6.0 TJ = 25°C
IO = 1.0 mA
4.0
IO = 40 mA
2.0
IO = 100 mA
0
0 2.0 4.0 6.0 8.0 10
VI, INPUT VOLTAGE (V)
Figure 2. Dropout Voltage versus
Junction Temperature
2.5
IO = 70 mA
2.0
1.5
1.0 IO = 40 mA
IO = 1.0 mA
0.5
Dropout of Regulation is
defined as when
VO = 2% of VO
0
0 25 50 75 100
TJ, JUNCTION TEMPERATURE (°C)
125
Figure 3. Input Bias Current versus
Ambient Temperature
4.2
4.0
3.8
3.6
3.4
3.2 MC78L05C
VI = 10 V
3.0 VO= 5.0 V
IO = 40 mA
0
0 25 50 75 100
TA, AMBIENT TEMPERATURE (°C)
125
Figure 4. Input Bias Current
versus Input Voltage
5.0
4.0
3.0 MC78L05C
Vout = 5.0 V
IO = 40 mA
2.0 TJ = 25°C
1.0
0
0 5.0 10 15 20 25 30 35 40
VI, INPUT VOLTAGE (V)
Figure 5. Maximum Average Power Dissipation versus
Ambient Temperature – TO–92 Type Package
10,000
No Heatsink
1000
100
RθJA = 200°C/W
PD(max) to 25°C = 625 mW
10
25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
150
Figure 6. SOP–8 Thermal Resistance and Maximum
Power Dissipation versus P.C.B. Copper Length
170 3.2
150 2.8
PD(max) for TA = 50°C
130 2.4
110 Graph represents symmetrical layout 2.0
ÎÎÎÎÎÎÎÎÎÎÎÎÎ90
L
2.0 oz.
Copper
1.6
70 1.2
ÎÎÎ ÎÎÎL 3.0mm
50 0.8
RθJA
30 0.4
0 10 20 30 40 50
L, LENGTH OF COPPER (mm)
6 MOTOROLA ANALOG IC DEVICE DATA

6 Page



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部品番号部品説明メーカ
MC78L00

Three-Terminal Low Current Positive Voltage Regulators

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Three-Terminal Low Current Positive Voltage Regulators

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