Fairchild Semiconductor MC78L24A, MC78L18A, MC78L15A, MC78L12A, MC78L05AA Datasheet

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MC78LXXA/LM78LXXA/MC78L05AA

3-Terminal 0.1A Positive Voltage Regulator

Features

• Maximum Output Current of 100mA

• Output Voltage of 5V, 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

2

1

3

1. Output 2. GND 3. Input

8-SOP

8

1. Output 2. GND 3. GND 4. NC

5. NC 6. GND 7. GND 8. Input

SOT-89

GND

1

23

1

Internal Block Diagram

V

I

Inpu

t

3

REFERE NCE VOLT AGE

GND

2

©2002 Fairchild Semiconductor Corporation

THERMAL SHUTDOWN

I

+

-

CIRCUIT

SHORT CIRCUIT

PROTECTION

R

SC

V

0

Outpu

1

t

Rev. 1.0.4

MC78LXXA/LM78LXXA/MC78L05AA

Absolute Maximum Ratings

Parameter Symbol Value Unit

Input Voltage (for V
(for V

= 12V to 18V)

O

(for V

O =

24V)

= 5V, 8V)

O

Operating Junction Temperature Range T
Storage Temperature Range T

V

I

J

STG

30
35
40

0 ~ +150 °C

-65 ~ +150 °C

V
V
V

Electrical Characteristics(MC78L05A/LM78L05A)

(V

= 10V, I

I

Parameter Symbol Conditions Min. Typ. Max. Unit

Output Voltage V
Line Regulation (Note1)

Load Regulation (Note1)

Output Voltage V

Quiescent Current I
Quiescent Current

Change
Output Noise Voltage V

Temperature Coefficient of V
Ripple Rejection RR f = 120Hz, 8V ≤ V
Dropout Voltage V

= 40mA, 0°C

O

≤ T

≤ 125°C, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. (Note 1)

J

∆V
∆V

With Line ∆I
With Load ∆I

∆V

O

TJ = 25°C4.85.05.2V

O

TJ = 25°C

O

O

TJ = 25°C
7V ≤ V

O

7V ≤ V

≤ 20V 1mA ≤ IO ≤ 40mA - - 5.25 V

I

≤ V

I

(Note 2)
TJ = 25°C-2.05.5mA

Q

8V ≤V

Q

1mA ≤ I

Q

TA = 25°C, 10Hz ≤ f ≤ 100kHz - 40 - µV/Vo

N

/∆TIO = 5mA - -0.65 - mV/°C

O

TJ = 25°C-1.7-V

D

≤ 20V - - 1.5 mA

I

≤ 40

O

7V ≤≤≤≤ V
8V ≤≤≤≤ V
1mA ≤ I
1mA ≤ I

MAX

1mA ≤ I

mA - - 0.1 mA

I

≤≤≤≤ 20V - 8 150 mV

I

≤≤≤≤ 20V - 6 100 mV

I

≤ 100mA - 11 60 mV

O

≤ 40mA - 5.0 30 mV

O

≤ 70mA 4.75 - 5.25 V

O

≤ 18V, T

= 25°C4180 - dB

J

Note:

1. The max imum st eady sta te usable output cu rrent and inpu t voltage are very depende nt on the heat si nking an d/or lead length
of the package. The data a bove rep resent p ulse tes t conditi ons with junction temper ature as indicate d at the initiatio n of test s.

2. Power dissipation P

≤ 0.75W.

D

2

MC78LXXA/LM78LXXA/MC78L05AA

Electrical Characteristics(MC78L08A)

(V

I

= 14V, I

= 40mA, 0°C ≤ TJ ≤ 125°C, CI = 0.33µF, CO = 0.1µF, unless otherwise specified. (Note 1)

O

(Continued)

Parameter Symbol Conditions Min. Typ. Max. Unit

Output Voltage V
Line Regulation (Note1) ∆V

Load Regulation (Note1) ∆V

Output Voltage V

Quiescent Current I
Quiescent Current

Change

With Line ∆I
With Load ∆I

Q

Output Noise Voltage V
Temperature Coefficient of V

∆V

O

O

Ripple Rejection RR f = 120Hz, 11V ≤ V
Dropout Voltage V

Note:

1. The ma ximum ste ady stat e usable output curre nt and input vo ltage ar e very d epende nt on th e heat s inking a nd/or lead le ngth
of the package. The dat a above repres ent pulse test c onditions with junction temp erature as ind icated at the initi ation of tests.

2. Power dissipation P

≤ 0.75W.

D

TJ = 25°C 7.7 8.0 8.3 V

O

TJ = 25°C

O

TJ = 25°C1mA ≤ I

O

O

10.5V ≤ V

10.5V ≤ V
V

MAX

I

I

(Note 2)

10.5V ≤ V
11V ≤ V

1mA ≤ I

≤ 23V 1mA ≤ IO ≤ 40mA 7.6 - 8.4 V

≤

1mA ≤ I

≤ 23V - 10 175 mV

I

≤ 23V - 8 125 mV

I

≤ 100mA - 15 80 mV

O

≤ 40mA - 8.0 40 mV

O

≤ 70mA 7.6 - 8.4 V

O

TJ = 25°C-2.05.5mA
11V ≤ V

Q

1mA ≤ I

Q

TA = 25°C, 10Hz ≤ f ≤100kHz - 60 - µV/Vo

N

/∆TIO = 5mA - -0.8 - mV/

TJ = 25°C-1.7-V

D

≤ 23V - - 1.5 mA

I

≤ 40mA - - 0.1 mA

O

≤ 21V, T

I

= 25°C39 70 - dB

J

°C

3

MC78LXXA/LM78LXXA/MC78L05AA

Electrical Characteristics(MC78L12A/LM78L12A)

(V

I

= 19V, I

= 40mA, 0°C ≤ TJ ≤ 125°C, CI = 0.33 µF, CO = 0.1µF, unless otherwise specified. (Note 1)

O

(Continued)

Parameter Symbol Conditions Min. Typ. Max. Unit

Output Voltage V
Line Regulation (Note1) ∆V

Load Regulation (Note1) ∆V

Output Voltage V

Quiescent Current I
Quiescent Current

Change

With Line ∆I

With Load ∆I
Output Noise Voltage V
Temperature Coefficient of V

∆V

O

O

Ripple Rejection RR f = 120Hz, 15V ≤ V
Dropout Voltage V

Note:

1. The ma ximum ste ady stat e usable output curre nt and input vo ltage ar e very d epende nt on th e heat s inking a nd/or lead le ngth
of the package. The dat a above repres ent pulse test c onditions with junction temp erature as ind icated at the initi ation of tests.

2. Power dissipation P

≤ 0.75W.

D

TJ = 25°C 11.5 12 12.5 V

O

≤

14.5V ≤ V
16V ≤ V
1mA ≤ I
1mA ≤ I

1mA ≤ I

TJ = 25°C

O

TJ = 25°C

O

14.5V ≤ V

O

14.5V ≤ V
V

MAX

TJ = 25°C-2.16.0mA

Q

16V ≤ V

Q

1mA ≤ I

Q

TA = 25°C, 10Hz ≤ f ≤ 100kHz - 80 - µV/Vo

N

≤ 27V 1mA ≤ IO ≤ 40mA 11.4 - 12.6 V

I

I

(Note 2)

≤ 27V - - 1.5 mA

I

≤ 40mA - - 0.1 mA

O

≤ 27V - 20 250 mV

I

≤ 27V - 15 200 mV

I

≤ 100mA - 20 100 mV

O

≤ 40mA - 10 50 mV

O

≤ 70mA 11.4 - 12.6 V

O

/∆TIO = 5mA - -1.0 - mV/°C

≤ 25V, T

I

TJ = 25°C-1.7-V

D

= 25°C37 65 - dB

J

4

MC78LXXA/LM78LXXA/MC78L05AA

Electrical Characteristics(MC78L15A)

(V

I

= 23V, I

= 40mA, 0°C ≤ TJ ≤ 125°C, CI = 0.33 µF, CO = 0.1µF, unless otherwise specified. (Note 1)

O

(Continued)

Parameter Symbol Conditions Min. Typ. Max. Unit

Output Voltage V
Line Regulation (Note1) ∆V

Load Regulation (Note1) ∆V

Output Voltage V

Quiescent Current I
Quiescent Current

Change

With Line ∆I

With Load ∆I
Output Noise Voltage V
Temperature Coefficient of V

∆V

O

O

Ripple Rejection RR f = 120Hz, 18.5V≤V
Dropout Voltage V

Note:

1. The maximum s tea dy state usable output cur re nt and input voltage are very dependent on the heat sinking and/or le ad le ngth
of the package. The data a bove rep resent p ulse tes t conditi ons with junction temper ature as indicate d at the initiatio n of test s.

2. Power dissipation P

≤ 0.75W.

D

TJ = 25°C 14.4 15 15.6 V

O

≤

17.5V ≤ V
20V ≤ V
1mA ≤ I
1mA ≤ I

1mA ≤ I

TJ = 25°C

O

TJ = 25°C

O

17.5V ≤ V

O

17.5V ≤ V
V

MAX

TJ = 25°C-2.16.0mA

Q

20V ≤ V

Q

1mA ≤ I

Q

TA = 25°C, 10Hz ≤ f ≤ 100kHz - 90 - µV/Vo

N

≤ 30V 1mA ≤ IO ≤ 40mA 14.25 - 15.75 V

I

I

(Note 2)

≤ 30V - - 1.5 mA

I

≤ 40mA - - 0.1 mA

O

≤ 30V - 25 300 mV

I

≤ 30V - 20 250 mV

I

≤ 100mA - 25 150 mV

O

≤ 40mA - 12 75 mV

O

≤ 70mA 14.25 - 15.75 V

O

/∆TIO = 5mA - -1.3 - mV/°C

≤28.5V, T

I

TJ = 25°C-1.7-V

D

= 25°C34 60 - dB

J

5