Datasheet 79lxx Datasheet

NEGATIVE VOLTAGE REGULATORS

■ OUTPUT CURRENT UP TO 100 mA

■ OUTPUT VOLTAGES OF -5; -6; -8; -9;-12;

-15 V

■ THERMAL OVERLOAD PROTECTION

■ SHORT CIRCUIT PROTECTION

■ NO EXTERNAL COMPONENTS ARE

REQUIRED

■ AVAILABLEINEITHER±5%(AC)OR±10%

(C) SELECTION

DESCRIPTION

The L79L00 series of three-terminal positive
regulators employ internal current limiting and
thermal shutdown, making them essen tially
indestructible. If adequate heat-sink is provided,
they can deliver up to 100 mA output current.
They are intended as fix ed v olt age regulators in a
wide range of applications including local or
on-card regulation for elimination of noise and
distribution problems associated w ith single-point
regulation. In addition, they can be used with
power pass elements to make high-current
voltage regulators.
The L79L00 series used as Zener diode/resistor
combination replacement, offers an effective

L79L00

SERIES

SO-8 SOT-89

TO-92

output impedanc e improvement of typically t wo
orders of magnitude, along with lowe r quiesc ent
current and lower noise.

SCHEMATIC DIAGRAM

1/15February 2003

L79L00 SERIES

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter² Value Unit

V

I
P
T
T

DC Input Voltage VO=-5to-9V

I

Output Current

O

Power Dissipation

tot

Storage Temperature Range

stg

Operating Junction Temperature Range For L79L00C, L79L00AC

op

= -12 to -15 V

V

O

Internally Limited (*)

For L79L00AB -40 to 125 °C

(*) Our SO-8 package used for Voltage Regulators is modified internally to have pins 2, 3, 6 and 7 electrically communed to the die attach
flag. This particular frame decreases the total thermal resistance of the package and increases its ability to dissipatepowerwhenan appro­priate area of copper on theprinted circuit board is available for heat-sinking. The external dimensions are the same as forthestandard SO-8.

THERMAL DATA

Symbol Parameter SO-8 TO-92 SOT-89 Unit

R

thj-case

R

thj-amb

(*) Considering 6 cm2of copper Board heat-sink.

Thermal Resistance Junction-case Max
Thermal Resistance Junction-ambient Max

20 15 °C/W

55 (*) 200 °C/W

CONNECTION DIAGRAM (top view)

-30

-35

100 mA

-40 to 150 °C
0 to 125 °C

V

2/15

SO-8

SOT-89

PIN 1 = V
PIN 2 = GND
PIN 3 = V

OUT

IN

TO-92

BOTTOM VIEW

ORDERING CODES

TYPE SO-8 TO-92 SOT-89 OUTPUT VOLTAGE

L79L05C L79L05CD L79L05CZ -5 V
L79L05AC L79L05ACD L79L05ACZ L79L05ACU -5 V
L79L05AB L79L05ABD L79L05ABZ L79L05ABU -5 V

L79L06C L79L06CD L79L06CZ -6 V
L79L06AC L79L06ACD L79L06ACZ L79L06ACU -6 V
L79L06AB L79L06ABD L79L06ABZ L79L06ABU -6 V

L79L08C L79L08CD L79L08CZ -8 V
L79L08AC L79L08ACD L79L08ACZ L79L08ACU -8 V
L79L08AB L79L08ABD L79L08ABZ L79L08ABU -8 V

L79L09C L79L09CD L79L09CZ -9 V
L79L09AC L79L09ACD L79L09ACZ L79L09ACU -9 V
L79L09AB L79L09ABD L79L09ABZ L79L09ABU -9 V

L79L12C L79L12CD L79L12CZ -12 V
L79L12AC L79L12ACD L79L12ACZ L79L12ACU -12 V
L79L12AB L79L12ABD L79L12ABZ L79L12ABU -12 V

L79L15C L79L15CD L79L15CZ -15 V
L79L15AC L79L15ACD L79L15ACZ -15 V
L79L15AB L79L15ABD L79L15ABZ -15 V

L79L00 SERIES

TEST CIRCUITS

3/15

L79L00 SERIES

ELECTRICAL CHARACTERISTICS O F L79L05 (refer to the test circuits, TJ= 0 to 125°C, VI= -10V,

I

=40mA,CI=0.33µF,CO= 0.1 µF unless otherwise specified).

O

Symbol Parameter Test Conditions Min. Typ. Max. Unit

V

Output Voltage TJ= 25°C -4.6 -5 -5.4 V

O

Output Voltage IO=1to40mA VI= -7 to -20 V -4.5 -5.5 V

V

O

=1to70mA VI= -10 V -4.5 -5.5

I

O

Line Regulation VI=-7to-20V TJ= 25°C 200 mV

∆V

O

=-8to-20V TJ= 25°C 150

V

I

∆V

Load Regulation IO= 1 to 100 mA TJ= 25°C 60 mV

O

=1to40mA TJ= 25°C 30

I

O

Quiescent Current TJ= 25°C 6 mA

I

d

= 125°C 5.5

T

J

Quiescent Current Change IO=1to40mA 0.2 mA

∆I

d

V

= -8 to -20 V 1.5

I

eN Output Noise Voltage B = 10Hz to 100KHz T

SVR Supply Voltage Rejection I

Dropout Voltage 1.7 V

V

d

= 40 mA f = 120Hz TJ= 25°C

O

V

= -8 to -18 V

I

= 25°C 40 µV

J

40 49 dB

ELECTRICAL CHARACTERISTICS O F L79L06 (refer to the test circuits, T
I

=40mA,CI=0.33µF,CO= 0.1 µF unless otherwise specified).

O

= 0 to 125°C, VI= -12V,

J

Symbol Parameter Test Conditions Min. Typ. Max. Unit

Output Voltage TJ= 25°C -5.52 -6 -6.48 V

V

O

V

Output Voltage IO=1to40mA VI= -8.5 to -20 V -5.4 -6.6 V

O

=1to70mA VI= -12 V -5.4 -6.6

I

O

Line Regulation VI= -8.5 to -20 V TJ= 25°C 200 mV

∆V

O

=-9to-20V TJ= 25°C 150

V

I

Load Regulation IO= 1 to 100 mA TJ= 25°C 60 mV

∆V

O

=1to40mA TJ= 25°C 30

I

O

Quiescent Current TJ= 25°C 6 mA

I

d

= 125°C 5.5

T

J

∆I

Quiescent Current Change IO=1to40mA 0.2 mA

d

= -8 to -20 V 1.5

V

I

eN Output Noise Voltage B = 10Hz to 100KHz T

SVR Supply Voltage Rejection I

Dropout Voltage 1.7 V

V

d

= 40 mA f = 120Hz TJ= 25°C

O

V

= -9 to -20 V

I

= 25°C 50 µV

J

38 46 dB

4/15

L79L00 SERIES

ELECTRICAL CHARACTERISTICS O F L79L08 (refer to the test circuits, TJ= 0 to 125°C, VI= -14V,

I

=40mA,CI=0.33µF,CO= 0.1 µF unless otherwise specified).

O

Symbol Parameter Test Conditions Min. Typ. Max. Unit

V

Output Voltage TJ= 25°C -7.36 -8 -8.64 V

O

Output Voltage IO=1to40mA VI= -10.5 to -23 V -7.2 -8.8 V

V

O

=1to70mA VI= -14 V -7.2 -8.8

I

O

Line Regulation VI= -10.5 to -23 V TJ= 25°C 200 mV

∆V

O

= -11 to -23 V TJ= 25°C 150

V

I

∆V

Load Regulation IO= 1 to 100 mA TJ= 25°C 80 mV

O

=1to40mA TJ= 25°C 40

I

O

Quiescent Current TJ= 25°C 6 mA

I

d

= 125°C 5.5

T

J

Quiescent Current Change IO=1to40mA 0.2 mA

∆I

d

V

= -11 to -23 V 1.5

I

eN Output Noise Voltage B = 10Hz to 100KHz T

SVR Supply Voltage Rejection I

Dropout Voltage 1.7 V

V

d

= 40 mA f = 120Hz TJ= 25°C

O

V

= -12 to -23 V

I

= 25°C 60 µV

J

36 45 dB

ELECTRICAL CHARACTERISTICS O F L79L09 (refer to the test circuits, T
I

=40mA,CI=0.33µF,CO= 0.1 µF unless otherwise specified).

O

= 0 to 125°C, VI= -15V,

J

Symbol Parameter Test Conditions Min. Typ. Max. Unit

Output Voltage TJ= 25°C -8.28 -9 -9.72 V

V

O

V

Output Voltage IO=1to40mA VI= -11.5 to -23 V -8.1 -9.9 V

O

=1to70mA VI= -15 V -8.1 -9.9

I

O

Line Regulation VI= -11.5 to -23 V TJ= 25°C 250 mV

∆V

O

= -12 to -23 V TJ= 25°C 200

V

I

Load Regulation IO= 1 to 100 mA TJ= 25°C 80 mV

∆V

O

=1to40mA TJ= 25°C 40

I

O

Quiescent Current TJ= 25°C 6 mA

I

d

= 125°C 5.5

T

J

∆I

Quiescent Current Change IO=1to40mA 0.2 mA

d

= -12 to -23 V 1.5

V

I

eN Output Noise Voltage B = 10Hz to 100KHz T

SVR Supply Voltage Rejection I

Dropout Voltage 1.7 V

V

d

= 40 mA f = 120Hz TJ= 25°C

O

V

= -12 to -23 V

I

= 25°C 70 µV

J

36 44 dB

5/15

L79L00 SERIES

ELECTRICAL CHARACTERISTICS O F L79L12 (refer to the test circuits, TJ= 0 to 125°C, VI= -19V,

I

=40mA,CI=0.33µF,CO= 0.1 µF unless otherwise specified).

O

Symbol Parameter Test Conditions Min. Typ. Max. Unit

V

Output Voltage TJ= 25°C -11.1 -12 -12.9 V

O

Output Voltage IO=1to40mA VI= -14.5 to -27 V -10.8 -13.2 V

V

O

=1to70mA VI= -19 V -10.8 -13.2

I

O

Line Regulation VI= -14.5 to -27 V TJ= 25°C 250 mV

∆V

O

= -16 to -27 V TJ= 25°C 200

V

I

∆V

Load Regulation IO= 1 to 100 mA TJ= 25°C 100 mV

O

=1to40mA TJ= 25°C 50

I

O

Quiescent Current TJ= 25°C 6.5 mA

I

d

= 125°C 6

T

J

Quiescent Current Change IO=1to40mA 0.2 mA

∆I

d

V

= -16 to -27 V 1.5

I

eN Output Noise Voltage B = 10Hz to 100KHz T

SVR Supply Voltage Rejection I

Dropout Voltage 1.7 V

V

d

= 40 mA f = 120Hz TJ= 25°C

O

V

= -15 to -25 V

I

= 25°C 80 µV

J

36 42 dB

ELECTRICAL CHARACTERISTICS O F L79L15 (refer to the test circuits, T
I

=40mA,CI=0.33µF,CO= 0.1 µF unless otherwise specified).

O

= 0 to 125°C, VI= -23V,

J

Symbol Parameter Test Conditions Min. Typ. Max. Unit

Output Voltage TJ= 25°C -13.8 -15 -16.2 V

V

O

V

Output Voltage IO=1to40mA VI= -17.5 to -30 V -13.5 -16.5 V

O

=1to70mA VI= -23 V -13.5 -16.5

I

O

Line Regulation VI= -17.5 to -30 V TJ= 25°C 300 mV

∆V

O

= -20 to -30 V TJ= 25°C 250

V

I

Load Regulation IO= 1 to 100 mA TJ= 25°C 150 mV

∆V

O

=1to40mA TJ= 25°C 75

I

O

Quiescent Current TJ= 25°C 6.5 mA

I

d

= 125°C 6

T

J

∆I

Quiescent Current Change IO=1to40mA 0.2 mA

d

= -20 to -30 V 1.5

V

I

eN Output Noise Voltage B = 10Hz to 100KHz T

SVR Supply Voltage Rejection I

Dropout Voltage 1.7 V

V

d

= 40 mA f = 120Hz TJ= 25°C

O

V

= -18.5 to -28.5 V

I

= 25°C 90 µV

J

33 39 dB

6/15

L79L00 SERIES

ELECTRICAL CHARACTERISTIC S OF L79L05AB AND L79L05AC (refer to t he test circuits, VI= -10V,

=40mA,CI=0.33µF,CO=0.1µF,TJ= 0 to 125° C fo r L79L 05A C, TJ= -40 t o 125°C for L79L05AB,

I

O

unless otherwise specified).

Symbol Parameter Test Conditions Min. Typ. Max. Unit

Output Voltage TJ= 25°C -4.8 -5 -5.2 V

V

O

Output Voltage IO=1to40mA VI= -7 to -20 V -4.75 -5.25 V

V

O

=1to70mA VI= -10 V -4.75 -5.25

I

O

Line Regulation VI=-7to-20V TJ= 25°C 150 mV

∆V

O

=-8to-20V TJ= 25°C 100

V

I

Load Regulation IO= 1 to 100 mA TJ= 25°C 60 mV

∆V

O

=1to40mA TJ= 25°C 30

I

O

Quiescent Current TJ= 25°C 6 mA

I

d

= 125°C 5.5

T

J

∆I

Quiescent Current Change IO=1to40mA 0.1 mA

d

= -8 to -20 V 1.5

V

I

eN Output Noise Voltage B = 10Hz to 100KHz T

SVR Supply Voltage Rejection I

Dropout Voltage 1.7 V

V

d

= 40 mA f = 120Hz TJ= 25°C

O

V

= -8 to -18 V

I

= 25°C 40 µV

J

41 49 dB

ELECTRICAL CHARACTERISTIC S OF L79L06AB AND L79L06AC (refer to t he test circuits, V

=40mA,CI=0.33µF,CO=0.1µF,TJ= 0 to 125° C fo r L79L 06A C, TJ= -40 t o 125°C for L79L06AB,

I

O

= -12V,

I

unless otherwise specified).

Symbol Parameter Test Conditions Min. Typ. Max. Unit

V

Output Voltage TJ= 25°C -5.76 -6 -6.24 V

O

Output Voltage IO=1to40mA VI= -8.5 to -20 V -5.7 -6.3 V

V

O

=1to70mA VI= -12 V -5.7 -6.3

I

O

Line Regulation VI= -8.5 to -20 V TJ= 25°C 150 mV

∆V

O

V

=-9to-20V TJ= 25°C 100

I

Load Regulation IO= 1 to 100 mA TJ= 25°C 60 mV

∆V

O

=1to40mA TJ= 25°C 30

I

O

Quiescent Current TJ= 25°C 6 mA

I

d

= 125°C 5.5

T

J

∆I

Quiescent Current Change IO=1to40mA 0.1 mA

d

= -9 to -20 V 1.5

V

I

eN Output Noise Voltage B = 10Hz to 100KHz T

SVR Supply Voltage Rejection I

Dropout Voltage 1.7 V

V

d

= 40 mA f = 120Hz TJ= 25°C

O

V

= -9 to -20 V

I

= 25°C 50 µV

J

39 46 dB

7/15

L79L00 SERIES

ELECTRICAL CHARACTERISTIC S OF L79L08AB AND L79L08AC (refer to t he test circuits, VI= -14V,

I

=40mA,CI=0.33µF,CO=0.1µF,TJ= 0 to 125° C fo r L79L 08A C, TJ= -40 t o 125°C for L79L08AB,

O

unless otherwise specified).

Symbol Parameter Test Conditions Min. Typ. Max. Unit

Output Voltage TJ= 25°C -7.68 -8 -8.32 V

V

O

Output Voltage IO=1to40mA VI= -10.5 to -23 V -7.6 -8.4 V

V

O

=1to70mA VI= -14 V -7.6 -8.4

I

O

Line Regulation VI= -10.5 to -23 V TJ= 25°C 175 mV

∆V

O

= -11 to -23 V TJ= 25°C 125

V

I

Load Regulation IO= 1 to 100 mA TJ= 25°C 80 mV

∆V

O

I

=1to40mA TJ= 25°C 40

O

Quiescent Current TJ= 25°C 6 mA

I

d

= 125°C 5.5

T

J

Quiescent Current Change IO=1to40mA 0.1 mA

∆I

d

= -11 to -23 V 1.5

V

I

eN Output Noise Voltage B = 10Hz to 100KHz T

SVR Supply Voltage Rejection I

Dropout Voltage 1.7 V

V

d

= 40 mA f = 120Hz TJ= 25°C

O

V

= -12 to -23 V

I

= 25°C 60 µV

J

37 45 dB

ELECTRICAL CHARACTERISTIC S OF L79L09AB AND L79L09AC (refer to t he test circuits, V
I

=40mA,CI=0.33µF,CO=0.1µF,TJ= 0 to 125° C fo r L79L 09A C, TJ= -40 t o 125°C for L79L09AB,

O

= -15V,

I

unless otherwise specified).

Symbol Parameter Test Conditions Min. Typ. Max. Unit

Output Voltage TJ= 25°C -8.64 -9 -9.36 V

V

O

Output Voltage IO=1to40mA VI= -11.5 to -23 V -8.55 -9.45 V

V

O

=1to70mA VI= -15 V -8.55 -9.45

I

O

∆V

Line Regulation VI= -11.5 to -23 V TJ= 25°C 225 mV

O

= -12 to -23 V TJ= 25°C 150

V

I

Load Regulation IO= 1 to 100 mA TJ= 25°C 80 mV

∆V

O

=1to40mA TJ= 25°C 40

I

O

Quiescent Current TJ= 25°C 6 mA

I

d

T

= 125°C 5.5

J

Quiescent Current Change IO=1to40mA 0.1 mA

∆I

d

= -12 to -23 V 1.5

V

I

eN Output Noise Voltage B = 10Hz to 100KHz T

SVR Supply Voltage Rejection I

Dropout Voltage 1.7 V

V

d

= 40 mA f = 120Hz TJ= 25°C

O

V

= -12 to -23 V

I

= 25°C 70 µV

J

37 44 dB

8/15

L79L00 SERIES

ELECTRICAL CHARACTERISTIC S OF L79L12AB AND L79L12AC (refer to t he test circuits, VI= -19V,

I

=40mA,CI=0.33µF,CO=0.1µF,TJ= 0 to 125° C fo r L79L 12A C, TJ= -40 t o 125°C for L79L12AB,

O

unless otherwise specified).

Symbol Parameter Test Conditions Min. Typ. Max. Unit

Output Voltage TJ= 25°C -11.5 -12 -12.5 V

V

O

Output Voltage IO=1to40mA VI= -14.5 to -27 V -11.4 -12.6 V

V

O

=1to70mA VI= -19 V -11.4 -12.6

I

O

Line Regulation VI= -14.5 to -27 V TJ= 25°C 250 mV

∆V

O

= -16 to -27 V TJ= 25°C 200

V

I

Load Regulation IO= 1 to 100 mA TJ= 25°C 100 mV

∆V

O

I

=1to40mA TJ= 25°C 50

O

Quiescent Current TJ= 25°C 6.5 mA

I

d

= 125°C 6

T

J

Quiescent Current Change IO=1to40mA 0.1 mA

∆I

d

= -16 to -27 V 1.5

V

I

eN Output Noise Voltage B = 10Hz to 100KHz T

SVR Supply Voltage Rejection I

Dropout Voltage 1.7 V

V

d

= 40 mA f = 120Hz TJ= 25°C

O

V

= -15 to -25 V

I

= 25°C 80 µV

J

37 42 dB

ELECTRICAL CHARACTERISTIC S OF L79L15AB AND L79L15AC (refer to t he test circuits, V
I

=40mA,CI=0.33µF,CO=0.1µF,TJ= 0 to 125° C fo r L79L 15A C, TJ= -40 t o 125°C for L79L15AB,

O

= -23V,

I

unless otherwise specified).

Symbol Parameter Test Conditions Min. Typ. Max. Unit

Output Voltage TJ= 25°C -14.4 -15 -15.6 V

V

O

Output Voltage IO=1to40mA VI= -17.5 to -30 V -14.25 -15.75 V

V

O

=1to70mA VI= -23 V -14.25 -15.75

I

O

∆V

Line Regulation VI= -17.5 to -30 V TJ= 25°C 300 mV

O

= -20 to -30 V TJ= 25°C 250

V

I

Load Regulation IO= 1 to 100 mA TJ= 25°C 150 mV

∆V

O

=1to40mA TJ= 25°C 75

I

O

Quiescent Current TJ= 25°C 6.5 mA

I

d

T

= 125°C 6

J

Quiescent Current Change IO=1to40mA 0.1 mA

∆I

d

= -20 to -30 V 1.5

V

I

eN Output Noise Voltage B = 10Hz to 100KHz T

SVR Supply Voltage Rejection I

Dropout Voltage 1.7 V

V

d

= 40 mA f = 120Hz TJ= 25°C

O

V

= -18.5 to -28.5 V

I

= 25°C 90 µV

J

34 39 dB

9/15

L79L00 SERIES

SO-8 MECHANICAL DATA

DIM.

A 1.35 1.75 0.053 0.069
A1 0.10 0.25 0.04 0.010
A2 1.10 1.65 0.043 0.065

B 0.33 0.51 0.013 0.020

C 0.19 0.25 0.007 0.010

D 4.80 5.00 0.189 0.197

E 3.80 4.00 0.150 0.157

e 1.27 0.050

H 5.80 6.20 0.228 0.244

h 0.25 0.50 0.010 0.020

L 0.40 1.27 0.016 0.050

k ˚ (max.)

ddd 0.1 0.04

MIN. TYP MAX. MIN. TYP. MAX.

mm. inch

8

10/15

0016023/C

L79L00 SERIES

SOT-89 MECHANICAL DATA

mm. mils

DIM.

MIN. TYP MAX. MIN. TYP. MAX.

A 1.4 1.6 55.1 63.0

B 0.44 0.56 17.3 22.0
B1 0.36 0.48 14.2 18.9

C 0.35 0.44 13.8 17.3
C1 0.35 0.44 13.8 17.3

D 4.4 4.6 173.2 181.1
D1 1.62 1.83 63.8 72.0

E 2.29 2.6 90.2 102.4

e 1.42 1.57 55.9 61.8
e1 2.92 3.07 115.0 120.9

H 3.94 4.25 155.1 167.3

L 0.89 1.2 35.0 47.2

P025H

11/15

L79L00 SERIES

TO-92 MECHANICA DATA

mm. mils

DIM.

MIN. TYP MAX. MIN. TYP. MAX.

A 4.32 4.95 170.1 194.9

b 0.36 0.51 14.2 20.1

D 4.45 4.95 175.2 194.9

E 3.30 3.94 129.9 155.1

e 2.41 2.67 94.9 105.1

e1 1.14 1.40 44.9 55.1

L 12.7 15.49 500.0 609.8

R 2.16 2.41 85.0 94.9

S1 0.92 1.52 36.2 59.8

W 0.41 0.56 16.1 22.0

12/15

0102782/C

L79L00 SERIES

Tape & Reel SO-8 MECHANICAL DATA

mm. inch

DIM.

MIN. TYP MAX. MIN. TYP. MAX.

A 330 12.992

C 12.8 13.2 0.504 0.519

D 20.2 0.795

N 60 2.362

T 22.4 0.882
Ao 8.1 8.5 0.319 0.335
Bo 5.5 5.9 0.216 0.232
Ko 2.1 2.3 0.082 0.090
Po 3.9 4.1 0.153 0.161

P 7.9 8.1 0.311 0.319

13/15

L79L00 SERIES

Tape & Reel SOT89 MECHANICA L DATA

DIM.

MIN. TYP MAX. MIN. TYP. MAX.

A 180 7.086

C 12.8 13.0 13.2 0.504 0.512 0.519

D 20.2 0.795

N 60 2.362

T 14.4 0.567
Ao 4.70 4.80 4.90 0.185 0.189 0.193
Bo 4.30 4.40 4.50 0.169 0.173 0.177
Ko 1.70 1.80 1.90 0.067 0.071 0.075
Po 3.9 4.0 4.1 0.153 0.157 0.161

P 7.9 8.0 8.1 0.311 0.315 0.319

mm. inch

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L79L00 SERIES

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