Motorola MC78L24ACP, MC78L18CP, MC78L12ABP, MC78L18ACP, MC78L15CP Datasheet
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Order this document by MC78L00/D
MC78L00, A
Three-Terminal Low Current Series
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
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Representative Schematic Diagram |
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Q3 |
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Q5 |
Q11 |
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Input |
15k |
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Q12 |
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Q1 |
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Q10 |
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3.8k |
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5.0k |
3.0 |
Output |
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Q4 |
Q6 |
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0±25k |
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1.9k |
19k |
2.2k |
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1.2k |
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Q9 |
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C |
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Z1 |
Q2 |
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Q8 |
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2.85k |
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Q7 |
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420 |
1.0k |
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Ground |
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ORDERING INFORMATION
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Operating |
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Device |
Temperature Range |
Package |
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MC78LXXACD* |
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SOP±8 |
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MC78LXXACP |
TJ = 0° to +125°C |
Plastic Power |
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MC78LXXCP |
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Plastic Power |
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MC78LXXABD* |
TJ = ±40° to +125°C |
SOP±8 |
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MC78LXXABP* |
Plastic Power |
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XX indicates nominal voltage
*Available in 5, 8, 9, 12 and 15 V devices.
P SUFFIX
CASE 29
Pin |
1. |
Output |
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2. GND |
1 |
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3. |
Input |
2 3 |
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D SUFFIX |
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PLASTIC PACKAGE |
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8 |
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CASE 751 |
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(SOP±8)* |
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1 |
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Pin |
1. |
Vout |
5. |
NC |
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2. |
GND |
6. |
GND |
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3. |
GND |
7. |
GND |
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4. |
NC |
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 |
MC78LXX |
Output |
Cin* |
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CO** |
0.33μF |
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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 |
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MC78L05C |
MC78L05AC |
5.0 |
MC78L08C |
MC78L08AC |
8.0 |
MC78L09C |
MC78L09AC |
9.0 |
MC78L12C |
MC78L12AC |
12 |
MC78L15C |
MC78L15AC |
15 |
MC78L18C |
MC78L18AC |
18 |
MC78L24C |
MC78L24AC |
24 |
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Motorola, Inc. 1996 |
Rev 3 |
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MC78L00, A Series |
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MAXIMUM RATINGS (TA = +125°C, unless otherwise noted.) |
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Rating |
Symbol |
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Value |
Unit |
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Input Voltage (2.6 V±8.0 V) |
VI |
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30 |
Vdc |
(12 V±18 V) |
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35 |
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(24 V) |
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40 |
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Storage Temperature Range |
Tstg |
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±65 to +150 |
°C |
Operating Junction Temperature Range |
TJ |
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0 to +150 |
°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.)
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MC78L05AC, AB |
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MC78L05C |
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Characteristics |
Symbol |
Min |
Typ |
Max |
Min |
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Typ |
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Max |
Unit |
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Output Voltage (TJ = +25°C) |
VO |
4.8 |
5.0 |
5.2 |
4.6 |
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5.0 |
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5.4 |
Vdc |
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Line Regulation |
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Regline |
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mV |
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(TJ = +25°C, IO = 40 mA) |
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7.0 Vdc ≤ VI |
≤ 20 Vdc |
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± |
55 |
150 |
± |
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55 |
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200 |
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8.0 Vdc ≤ VI |
≤ 20 Vdc |
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45 |
100 |
± |
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45 |
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150 |
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Load Regulation |
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Regload |
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mV |
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(TJ = +25°C, 1.0 mA ≤ IO |
≤ 100 mA) |
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± |
11 |
60 |
± |
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11 |
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60 |
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(TJ = +25°C, 1.0 mA ≤ IO |
≤ 40 mA) |
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± |
5.0 |
30 |
± |
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5.0 |
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30 |
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Output Voltage |
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VO |
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Vdc |
(7.0 Vdc ≤ VI ≤ 20 Vdc, 1.0 mA ≤ IO ≤ 40 mA) |
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4.75 |
± |
5.25 |
4.5 |
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± |
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5.5 |
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(VI = 10 V, 1.0 mA ≤ IO ≤ 70 mA) |
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4.75 |
± |
5.25 |
4.5 |
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± |
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5.5 |
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Input Bias Current |
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IIB |
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mA |
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(TJ = +25°C) |
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± |
3.8 |
6.0 |
± |
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3.8 |
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6.0 |
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(TJ = +125°C) |
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± |
± |
5.5 |
± |
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± |
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5.5 |
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Input Bias Current Change |
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IIB |
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mA |
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(8.0 Vdc ≤ VI |
≤ 20 Vdc) |
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± |
± |
1.5 |
± |
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± |
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1.5 |
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(1.0 mA ≤ IO |
≤ 40 mA) |
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± |
± |
0.1 |
± |
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0.2 |
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Output Noise Voltage |
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Vn |
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40 |
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± |
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40 |
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μV |
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(TA = +25°C, 10 Hz ≤ f ≤ |
100 kHz) |
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Ripple Rejection (IO = 40 mA, |
RR |
41 |
49 |
± |
40 |
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49 |
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dB |
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f = 120 Hz, 8.0 Vdc ≤ VI ≤ 18 V, TJ = +25°C) |
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Dropout Voltage (TJ = +25°C) |
VI ± VO |
± |
1.7 |
± |
± |
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1.7 |
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± |
Vdc |
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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.)
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MC78L08AC, AB |
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MC78L08C |
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Characteristics |
Symbol |
Min |
Typ |
Max |
Min |
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Typ |
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Max |
Unit |
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Output Voltage (TJ = +25°C) |
VO |
7.7 |
8.0 |
8.3 |
7.36 |
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8.0 |
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8.64 |
Vdc |
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Line Regulation |
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Regline |
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mV |
(TJ = +25°C, IO = 40 mA) |
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10.5 Vdc ≤ VI ≤ 23 Vdc |
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20 |
175 |
± |
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20 |
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200 |
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11 Vdc ≤ VI ≤ 23 Vdc |
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12 |
125 |
± |
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12 |
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150 |
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Load Regulation |
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Regload |
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mV |
(TJ = +25°C, 1.0 mA ≤ IO |
≤ 100 mA) |
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15 |
80 |
± |
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15 |
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80 |
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(TJ = +25°C, 1.0 mA ≤ IO |
≤ 40 mA) |
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8.0 |
40 |
± |
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6.0 |
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40 |
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Output Voltage |
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VO |
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Vdc |
(10.5 Vdc ≤ VI ≤ 23 Vdc, 1.0 mA ≤ IO ≤ 40 mA) |
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7.6 |
± |
8.4 |
7.2 |
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± |
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8.8 |
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(VI = 14 V, 1.0 mA ≤ IO ≤ 70 mA) |
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7.6 |
± |
8.4 |
7.2 |
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± |
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8.8 |
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Input Bias Current |
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IIB |
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mA |
(TJ = +25°C) |
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± |
3.0 |
6.0 |
± |
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3.0 |
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6.0 |
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(TJ = +125°C) |
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± |
± |
5.5 |
± |
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± |
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5.5 |
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Input Bias Current Change |
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IIB |
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mA |
(11 Vdc ≤ VI ≤ 23 Vdc) |
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± |
± |
1.5 |
± |
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± |
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1.5 |
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(1.0 mA ≤ IO ≤ 40 mA) |
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± |
± |
0.1 |
± |
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± |
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0.2 |
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Output Noise Voltage |
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Vn |
± |
60 |
± |
± |
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52 |
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± |
μV |
(TA = +25°C, 10 Hz ≤ f ≤ |
100 kHz) |
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Ripple Rejection (IO = 40 mA, |
RR |
37 |
57 |
± |
36 |
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55 |
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± |
dB |
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f = 120 Hz, 12 V ≤ VI ≤ 23 V, TJ = +25°C) |
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Dropout Voltage (TJ = +25°C) |
VI ± VO |
± |
1.7 |
± |
± |
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1.7 |
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± |
Vdc |
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2 |
MOTOROLA ANALOG IC DEVICE DATA |
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.)
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MC78L09AC, AB |
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MC78L09C |
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Characteristics |
Symbol |
Min |
Typ |
Max |
Min |
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Typ |
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Max |
Unit |
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Output Voltage (TJ = +25°C) |
VO |
8.6 |
9.0 |
9.4 |
8.3 |
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9.0 |
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9.7 |
Vdc |
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Line Regulation |
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Regline |
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mV |
(TJ = +25°C, IO = 40 mA) |
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11.5 Vdc ≤ VI ≤ 24 Vdc |
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± |
20 |
175 |
± |
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20 |
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200 |
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12 Vdc ≤ VI ≤ 24 Vdc |
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± |
12 |
125 |
± |
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12 |
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150 |
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Load Regulation |
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Regload |
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mV |
(TJ = +25°C, 1.0 mA ≤ IO |
≤ 100 mA) |
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± |
15 |
90 |
± |
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15 |
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90 |
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(TJ = +25°C, 1.0 mA ≤ IO |
≤ 40 mA) |
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± |
8.0 |
40 |
± |
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6.0 |
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40 |
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Output Voltage |
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VO |
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Vdc |
(11.5 Vdc ≤ VI ≤ 24 Vdc, 1.0 mA ≤ IO ≤ 40 mA) |
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8.5 |
± |
9.5 |
8.1 |
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± |
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9.9 |
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(VI = 15 V, 1.0 mA ≤ IO ≤ 70 mA) |
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8.5 |
± |
9.5 |
8.1 |
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± |
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9.9 |
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Input Bias Current |
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IIB |
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mA |
(TJ = +25°C) |
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± |
3.0 |
6.0 |
± |
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3.0 |
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6.0 |
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(TJ = +125°C) |
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± |
± |
5.5 |
± |
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± |
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5.5 |
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Input Bias Current Change |
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IIB |
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mA |
(11 Vdc ≤ VI ≤ 23 Vdc) |
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± |
± |
1.5 |
± |
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± |
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1.5 |
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(1.0 mA ≤ IO ≤ 40 mA) |
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± |
± |
0.1 |
± |
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± |
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0.2 |
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Output Noise Voltage |
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Vn |
± |
60 |
± |
± |
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52 |
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± |
μV |
(TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) |
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Ripple Rejection (IO = 40 mA, |
RR |
37 |
57 |
± |
36 |
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55 |
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± |
dB |
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f = 120 Hz, 13 V ≤ VI ≤ 24 V, TJ = +25°C) |
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Dropout Voltage |
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VI ± VO |
± |
1.7 |
± |
± |
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1.7 |
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± |
Vdc |
(TJ = +25°C) |
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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.)
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MC78L12AC, AB |
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MC78L12C |
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Characteristics |
Symbol |
Min |
Typ |
Max |
Min |
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Typ |
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Max |
Unit |
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Output Voltage (TJ = +25°C) |
VO |
11.5 |
12 |
12.5 |
11.1 |
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12 |
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12.9 |
Vdc |
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Line Regulation |
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Regline |
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mV |
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(TJ = +25°C, IO = 40 mA) |
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14.5 Vdc ≤ VI ≤ 27 Vdc |
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± |
120 |
250 |
± |
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120 |
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250 |
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16 Vdc ≤ VI ≤ 27 Vdc |
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± |
100 |
200 |
± |
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100 |
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200 |
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Load Regulation |
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Regload |
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mV |
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(TJ = +25°C, 1.0 mA ≤ IO |
≤ 100 mA) |
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± |
20 |
100 |
± |
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20 |
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100 |
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(TJ = +25°C, 1.0 mA ≤ IO |
≤ 40 mA) |
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± |
10 |
50 |
± |
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10 |
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50 |
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Output Voltage |
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VO |
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Vdc |
(14.5 Vdc ≤ VI ≤ 27 Vdc, 1.0 mA ≤ IO ≤ 40 mA) |
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11.4 |
± |
12.6 |
10.8 |
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± |
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13.2 |
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(VI = 19 V, 1.0 mA ≤ IO ≤ 70 mA) |
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11.4 |
± |
12.6 |
10.8 |
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± |
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13.2 |
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Input Bias Current |
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IIB |
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mA |
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(TJ = +25°C) |
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± |
4.2 |
6.5 |
± |
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4.2 |
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6.5 |
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(TJ = +125°C) |
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± |
± |
6.0 |
± |
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± |
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6.0 |
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Input Bias Current Change |
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IIB |
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mA |
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(16 Vdc ≤ VI |
≤ 27 Vdc) |
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± |
± |
1.5 |
± |
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± |
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1.5 |
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(1.0 mA ≤ IO |
≤ 40 mA) |
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± |
± |
0.1 |
± |
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± |
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0.2 |
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Output Noise Voltage |
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Vn |
± |
80 |
± |
± |
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80 |
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± |
μV |
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(TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) |
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Ripple Rejection (IO = 40 mA, |
RR |
37 |
42 |
± |
36 |
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42 |
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± |
dB |
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f = 120 Hz, 15 V ≤ VI ≤ 25 V, TJ = +25°C) |
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Dropout Voltage |
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VI ± VO |
± |
1.7 |
± |
± |
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1.7 |
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± |
Vdc |
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(TJ = +25°C) |
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MOTOROLA ANALOG IC DEVICE DATA |
3 |
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