ST MICROELECTRONICS uA 78L08 SMD Datasheet

MC78L00A Series,
NCV78L00A

100 mA Positive Voltage
Regulators

The MC78L00A 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.

Features

• 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 (MC79L00A Series)

• Pb−Free Packages are Available

• NCV Prefix for Automotive and Other Applications Requiring Site

and Control Changes

3.0

Input

Output

15k

Q1

3.8k

Q3 Q5

Q4 Q6

Q11

Q12

Q10

5.0k

0-25k

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1

2

3

STRAIGHT LEAD

BULK PACK

TO−92

P SUFFIX

CASE 029

8

1

*SOIC−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. SOIC−8 conforms to all ex­ternal dimensions of the standard SO−8 package.

1

2

3

BENT LEAD

TAPE & REEL

AMMO PACK

Pin: 1. Output

2. Ground

3. Input

SOIC−8*

D SUFFIX

CASE 751

Q2

1.9k 19k 2.2k

C

Q8

Q7

1.0k

Q9

2.85k

Ground

1.2k

Z1

420

Figure 1. Representative Schematic Diagram

Input

Cin*

0.33 mF

MC78LXXA

Output

CO**

0.1 mF

Figure 2. Standard Application

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.

© Semiconductor Components Industries, LLC, 2010

January, 2010 − Rev. 15

1 Publication Order Number:

PIN CONNECTIONS

18

V

OUT

2

GND

3

GND

4

NC

(Top View)

V

IN

7

GND

6

GND

5

NC

ORDERING INFORMATION

See detailed ordering and shipping information in the package
dimensions section on page 10 of this data sheet.

DEVICE MARKING INFORMATION

See general marking information in the device marking
section on page 16 of this data sheet.

MC78L00A/D

MC78L00A Series, NCV78L00A

ABSOLUTE MAXIMUM RATINGS

Rating Symbol Value Unit

Input Voltage (5.0 V−9.0 V)

Input Voltage (12 V−18 V)
Input Voltage (24 V)

Storage Temperature Range T

Maximum Junction Temperature T

Moisture Sensitivity Level MSL 1 −

ESD Capability, Human Body Model (Note 1) ESD

ESD Capability, Machine Model (Note 1) ESD

ESD Capability, Charged Device Model (Note 1) ESD

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.

1. This device series incorporates ESD protection and is tested by the following methods:
ESD Human Body Model tested per AEC−Q100−002 (EIA/JESD22−A114)
ESD Machine Model tested per AEC−Q100−003 (EIA/JESD22−A115)
ESD Charged Device Model tested per EIA/JES D22/C101, Field Induced Charge Model.

THERMAL CHARACTERISTICS

Rating Symbol Value Unit

Package Dissipation PD Internally Limited W

Thermal Characteristics, TO−92
Thermal Resistance, Junction−to−Ambient

Thermal Characteristics, SOIC8
Thermal Resistance, Junction−to−Ambient

2. Thermal Resistance, Junction−to−Ambient depends on P.C.B. Copper area. See details in Figure 8.

Thermal Resistance, Junction−to−Case is not defined. SOIC 8 lead and TO-92 packages that do not have a heat sink like other packages
may have. This is the reason that a Theta JC is never specified. A little heat transfer will occur through the package but since it is plastic, it is
minimal. The majority of the heat that is transferred is through the leads where they connect to the circuit board.

V

I

30

Vdc
35
40

stg

J

HBM

MM

CDM

R

q

JA

R

q

JA

−65 to +150 °C

150 °C

2000 V

200 V

2000 V

200 °C/W

Refer to Figure 8 °C/W

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MC78L00A Series, NCV78L00A

ELECTRICAL CHARACTERISTICS (V

= 10 V, IO = 40 mA, CI = 0.33 mF, CO = 0.1 mF, − 40°C < TJ < +125°C (for MC78LXXAB,

I

NCV78L05A), 0°C < TJ < +125°C (for MC78LXXAC), unless otherwise noted.)

Characteristics Symbol Min Typ Max Unit

Output Voltage (TJ = +25°C) V

Line Regulation

(TJ = +25°C, IO = 40 mA)

7.0 Vdc ≤ V

8.0 Vdc ≤ V

≤ 20 Vdc

I

≤ 20 Vdc

I

Load Regulation

(TJ = +25°C, 1.0 mA ≤ I
(TJ = +25°C, 1.0 mA ≤ I

≤ 100 mA)

O

≤ 40 mA)

O

Output Voltage

(7.0 Vdc ≤ V

≤ 20 Vdc, 1.0 mA ≤ I

I

(VI = 10 V, 1.0 mA ≤ I

≤ 70 mA)

O

≤ 40 mA)

O

Input Bias Current

(TJ = +25°C)
(TJ = +125°C)

Input Bias Current Change

(8.0 Vdc ≤ V
(1.0 mA ≤ I

≤ 20 Vdc)

I

≤ 40 mA)

O

Output Noise Voltage

(TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)

Ripple Rejection (IO = 40 mA,

f = 120 Hz, 8.0 Vdc ≤ V

≤ 18 V, TJ = +25°C)

I

Dropout Voltage (TJ = +25°C) V

NOTE: NCV78L05A: T

= −40°C, T

low

= +125°C. Guaranteed by design. NCV prefix is for automotive and other applications requiring

high

site and change control.

MC78L05AC, AB, NCV78L05A

4.8 5.0 5.2 Vdc

−

−

−

−

4.75

4.75

−

−

−

−

55
45

11

5.0

3.8

150
100

60
30

−

−

5.25

5.25

6.0

−

−

−

5.5

1.5

0.1

− 40 − mV

Reg

Reg

DI

O

line

load

V

O

I

IB

IB

V

n

RR 41 49 − dB

I

− V

O

− 1.7 − Vdc

mV

mV

Vdc

mA

mA

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MC78L00A Series, NCV78L00A

ELECTRICAL CHARACTERISTICS (V

= 14 V, IO = 40 mA, CI = 0.33 mF, CO = 0.1 mF, − 40°C < TJ < +125°C (for MC78LXXAB),

I

0°C < TJ < +125°C (for MC78LXXAC), unless otherwise noted.)

Characteristics Symbol Min Typ Max Unit

Output Voltage (TJ = +25°C) V

Line Regulation

(TJ = +25°C, IO = 40 mA)

10.5 Vdc ≤ V
11 Vdc ≤ V

≤ 23 Vdc

I

≤ 23 Vdc

I

Load Regulation

(TJ = +25°C, 1.0 mA ≤ I
(TJ = +25°C, 1.0 mA ≤ I

≤ 100 mA)

O

≤ 40 mA)

O

Output Voltage

(10.5 Vdc ≤ V

≤ 23 Vdc, 1.0 mA ≤ I

I

(VI = 14 V, 1.0 mA ≤ I

≤ 70 mA)

O

≤ 40 mA)

O

Input Bias Current

(TJ = +25°C)
(TJ = +125°C)

Input Bias Current Change

(11 Vdc ≤ V
(1.0 mA ≤ I

≤ 23 Vdc)

I

≤ 40 mA)

O

Output Noise Voltage

(TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)

Ripple Rejection (IO = 40 mA,

f = 120 Hz, 12 V ≤ V

≤ 23 V, TJ = +25°C)

I

Dropout Voltage (TJ = +25°C) V

MC78L08AC, AB

7.7 8.0 8.3 Vdc

−

−

−

−

7.6

7.6

−

−

−

−

20
12

15

8.0

3.0

175
125

80
40

−

−

8.4

8.4

6.0

−

−

−

5.5

1.5

0.1

− 60 − mV

Reg

Reg

DI

O

line

load

V

O

I

IB

IB

V

n

RR 37 57 − dB

I

− V

O

− 1.7 − Vdc

mV

mV

Vdc

mA

mA

ELECTRICAL CHARACTERISTICS (V

= 15 V, IO = 40 mA, CI = 0.33 mF, CO = 0.1 mF, − 40°C < TJ < +125°C (for MC78LXXAB),

I

0°C < TJ < +125°C (for MC78LXXAC), unless otherwise noted.)

Characteristics Symbol Min Typ Max Unit

Output Voltage (TJ = +25°C) V

Line Regulation

(TJ = +25°C, IO = 40 mA)

11.5 Vdc ≤ V
12 Vdc ≤ V

≤ 24 Vdc

I

≤ 24 Vdc

I

Load Regulation

(TJ = +25°C, 1.0 mA ≤ I
(TJ = +25°C, 1.0 mA ≤ I

≤ 100 mA)

O

≤ 40 mA)

O

Output Voltage

(11.5 Vdc ≤ V

≤ 24 Vdc, 1.0 mA ≤ I

I

(VI = 15 V, 1.0 mA ≤ I

≤ 70 mA)

O

≤ 40 mA)

O

Input Bias Current

(TJ = +25°C)
(TJ = +125°C)

Input Bias Current Change

(11 Vdc ≤ V
(1.0 mA ≤ I

≤ 23 Vdc)

I

≤ 40 mA)

O

Output Noise Voltage

(TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)

Ripple Rejection (IO = 40 mA,

f = 120 Hz, 13 V ≤ V

≤ 24 V, TJ = +25°C)

I

Dropout Voltage

(TJ = +25°C)

MC78L09AC, AB

8.6 9.0 9.4 Vdc

−

−

−

−

8.5

8.5

−

−

−

−

20
12

15

8.0

3.0

175
125

90
40

−

−

9.5

9.5

6.0

−

−

−

5.5

1.5

0.1

− 60 − mV

Reg

Reg

DI

O

line

load

V

O

I

IB

IB

V

n

RR 37 57 − dB

V

I

− V

O

− 1.7 − Vdc

mV

mV

Vdc

mA

mA

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MC78L00A Series, NCV78L00A

ELECTRICAL CHARACTERISTICS (V

= 19 V, IO = 40 mA, CI = 0.33 mF, CO = 0.1 mF, − 40°C < TJ < +125°C (for MC78LXXAB),

I

0°C < TJ < +125°C (for MC78LXXAC), unless otherwise noted.)

Characteristics Symbol Min Typ Max Unit

Output Voltage (TJ = +25°C) V

Line Regulation

= +25°C, IO = 40 mA)

(T

J

14.5 Vdc ≤ V
16 Vdc ≤ V

≤ 27 Vdc

I

≤ 27 Vdc

I

Load Regulation

= +25°C, 1.0 mA ≤ I

(T

J

(TJ = +25°C, 1.0 mA ≤ I

≤ 100 mA)

O

≤ 40 mA)

O

Output Voltage

(14.5 Vdc ≤ V

≤ 27 Vdc, 1.0 mA ≤ I

I

(VI = 19 V, 1.0 mA ≤ I

≤ 70 mA)

O

≤ 40 mA)

O

Input Bias Current

(TJ = +25°C)
(TJ = +125°C)

Input Bias Current Change

(16 Vdc ≤ V
(1.0 mA ≤ I

≤ 27 Vdc)

I

≤ 40 mA)

O

Output Noise Voltage

(TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)

Ripple Rejection (IO = 40 mA,

f = 120 Hz, 15 V ≤ V

≤ 25 V, TJ = +25°C)

I

Dropout Voltage

(TJ = +25°C)

MC78L12AC, AB

11.5 12 12.5 Vdc

−

−

−

−

11.4

11.4

−

−

−

−

120
100

20
10

−

−

4.2

−

−

−

250
200

100

50

12.6

12.6

6.5

6.0

1.5

0.1

− 80 − mV

Reg

Reg

DI

O

line

load

V

O

I

IB

IB

V

n

RR 37 42 − dB

V

I

− V

O

− 1.7 − Vdc

mV

mV

Vdc

mA

mA

ELECTRICAL CHARACTERISTICS (V

S 0°C < T

< +125°C (for MC78LXXAC), unless otherwise noted.)

J

= 23 V, IO = 40 mA, CI = 0.33 mF, CO = 0.1 mF, − 40°C < TJ < +125°C (for MC78LXXAB),

I

Characteristics Symbol Min Typ Max Unit

Output Voltage (TJ = +25°C) V

Line Regulation

(TJ = +25°C, IO = 40 mA)

17.5 Vdc ≤ V
20 Vdc ≤ V

≤ 30 Vdc

I

≤ 30 Vdc

I

Load Regulation

(TJ = +25°C, 1.0 mA ≤ I
(TJ = +25°C, 1.0 mA ≤ I

≤ 100 mA)

O

≤ 40 mA)

O

Output Voltage

(17.5 Vdc ≤ V

≤ 30 Vdc, 1.0 mA ≤ I

I

(VI = 23 V, 1.0 mA ≤ I

≤ 70 mA)

O

≤ 40 mA)

O

Input Bias Current

(TJ = +25°C)
(TJ = +125°C)

Input Bias Current Change

(20 Vdc ≤ V
(1.0 mA ≤ I

≤ 30 Vdc)

I

≤ 40 mA)

O

Output Noise Voltage

(TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)

Ripple Rejection (IO = 40 mA,

f = 120 Hz, 18.5 V ≤ V

≤ 28.5 V, TJ = +25°C)

I

Dropout Voltage

(TJ = +25°C)

MC78L15AC, AB / NCV78L15A

14.4 15 15.6 Vdc

−

−

−

−

14.25

14.25

−

−

−

−

130
110

25
12

−

−

4.4

−

−

−

300
250

150

75

15.75

15.75

6.5

6.0

1.5

0.1

− 90 − mV

Reg

Reg

DI

O

line

load

V

O

I

IB

IB

V

n

RR 34 39 − dB

V

I

− V

O

− 1.7 − Vdc

mV

mV

Vdc

mA

mA

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MC78L00A Series, NCV78L00A

ELECTRICAL CHARACTERISTICS (V

= 27 V, IO = 40 mA, CI = 0.33 mF, CO = 0.1 mF, 0 °C < TJ < +125°C, unless otherwise noted.)

I

Characteristics Symbol Min Typ Max Unit

Output Voltage (TJ = +25°C) V

Line Regulation

(TJ = +25°C, IO = 40 mA)

21.4 Vdc ≤ V

20.7 Vdc ≤ V
22 Vdc ≤ V
21 Vdc ≤ V

≤ 33 Vdc

I

≤ 33 Vdc

I

≤ 33 Vdc

I

≤ 33 Vdc

I

Load Regulation

(TJ = +25°C, 1.0 mA ≤ I
(TJ = +25°C, 1.0 mA ≤ I

≤ 100 mA)

O

≤ 40 mA)

O

Output Voltage

(21.4 Vdc ≤ V
(20.7 Vdc ≤ V

≤ 33 Vdc, 1.0 mA ≤ I

I

≤ 33 Vdc, 1.0 mA ≤ I

I

(VI = 27 V, 1.0 mA ≤ I
(VI = 27 V, 1.0 mA ≤ I

≤ 70 mA)

O

≤ 70 mA)

O

≤ 40 mA)

O

≤ 40 mA)

O

Input Bias Current

(TJ = +25°C)
(TJ = +125°C)

Input Bias Current Change

(22 Vdc ≤ V
(21 Vdc ≤ V
(1.0 mA ≤ I

≤ 33 Vdc)

I

≤ 33 Vdc)

I

≤ 40 mA)

O

Output Noise Voltage

(TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)

Ripple Rejection (IO = 40 mA,

f = 120 Hz, 23 V ≤ V

≤ 33 V, TJ = +25°C)

I

Dropout Voltage

(TJ = +25°C)

MC78L18AC

17.3 18 18.7 Vdc

−

−

−

−

17.1

17.1

−

−

−

−

45

35

30
15

3.1

325

275

170

85

−

−

18.9

18.9

6.5

−

−

−

6.0

1.5

0.1

− 150 − mV

Reg

Reg

DI

O

line

load

V

O

I

IB

IB

V

n

RR 33 48 − dB

V

I

− V

O

− 1.7 − Vdc

mV

mV

Vdc

mA

mA

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