µA78L00 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS010I – JANUARY 1976 – REVISED JULY 1999
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
D
3-Terminal Regulators
D
Output Current up to 100 mA
D
No External Components
D
Internal Thermal-Overload Protection
D
Internal Short-Circuit Current Limiting
D
Direct Replacements for Fairchild µA78L00
Series
description
This series of fixed-voltage integrated-circuit
voltage regulators is designed for a wide range of
applications. These applications include on-card
regulation for elimination of noise and distribution
problems associated with single-point regulation.
In addition, they can be used with power-pass
elements to make high-current voltage regulators.
One of these regulators can deliver up to 100 mA
of output current. The internal limiting and
thermal-shutdown features of these regulators
make them essentially immune to overload. When
used as a replacement for a zener diode-resistor
combination, an effective improvement in output
impedance can be obtained, together with lower
bias current.
The µA78L00C series is characterized for
operation over the virtual junction temperature
range of 0°C to 125°C.
AVAILABLE OPTIONS
PACKAGED DEVICES
T
SMALL OUTLINE
(D)
PLASTIC CYLINDRICAL
(LP)
SOT-89
(PK)
CHIP
FORM
OUTPUT VOLTAGE TOLERANCE
(Y)
5% 10% 5% 10% 5% 10%
0°C to
125°C
2.6
5
6.2
8
9
10
12
15
µA78L02ACD
µA78L05ACD
µA78L06ACD
µA78L08ACD
µA78L09ACD
µA78L10ACD
µA78L12ACD
µA78L15ACD
–
µA78L05CD
µA78L06CD
µA78L08CD
µA78L09CD
–
µA78L12CD
µA78L15CD
µA78L02ACLP
µA78L05ACLP
µA78L06ACLP
µA78L08ACLP
µA78L09ACLP
µA78L10ACLP
µA78L12ACLP
µA78L15ACLP
µA78L02CLP
µA78L05CLP
µA78L06CLP
µA78L08CLP
µA78L09CLP
µA78L10CLP
µA78L12CLP
µA78L15CLP
µA78L02ACPK
µA78L05ACPK
µA78L06ACPK
µA78L08ACPK
µA78L09ACPK
µA78L10ACPK
µA78L12ACPK
µA78L15ACPK
µA78L02CPK
µA78L05CPK
µA78L06CPK
µA78L08CPK
µA78L09CPK
µA78L10CPK
µA78L12CPK
µA78L15CPK
µA78L02Y
µA78L05Y
µA78L06Y
µA78L08Y
µA78L09Y
µA78L10Y
µA78L12Y
µA78L15Y
D and LP packages are available taped and reeled. Add the suffix R to the device type (e.g., µA78L05ACDR). The PK package is only available
taped and reeled (e.g., µA78L02ACPKR). Chip forms are tested at TA = 25°C.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 1999, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
D PACKAGE
(TOP VIEW)
1
2
3
4
8
7
6
5
OUTPUT
COMMON
COMMON
NC
INPUT
COMMON
COMMON
NC
LP PACKAGE
(TOP VIEW)
PK PACKAGE
(TOP VIEW)
NC – No internal connection
INPUT
COMMON
OUTPUT
INPUT
COMMON
OUTPUT
TO–226AA
µA78L00 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS010I – JANUARY 1976 – REVISED JULY 1999
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
schematic
20 kΩ
1 kΩ to 14 kΩ
INPUT
OUTPUT
COMMON
NOTE: Resistor values shown are nominal.
1.4 kΩ
µA78L00 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS010I – JANUARY 1976 – REVISED JULY 1999
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
absolute maximum ratings over operating temperature range (unless otherwise noted)
†
µA78Lxx UNIT
µA78L02AC, µA78L05C–µA78L09C, µA78L10AC
30
I
µA78L12C, µA78L12AC, µA78L15C, µA78L15AC
35
D package 97
Package thermal impedance, θJA (see Notes 1 and 2)
LP package 156
°C
PK package 52
Virtual junction temperature range, T
J
0 to 150 °C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260 °C
Storage temperature range, T
stg
–65 to 150 °C
†
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable
ambient temperature is PD = (TJ(max) – TA)/θJA. Operating at the absolute maximum TJ of 150°C can impact reliability. Due to
variations in individual device electrical characteristics and thermal resistance, the built-in thermal-overload protection may be
activated at power levels slightly above or below the rated dissipation.
2. The package thermal impedance is calculated in accordance with JESD 51, except for through-hole packages, which use a trace
length of zero.
recommended operating conditions
MIN MAX UNIT
µA78L02AC
4.75 20
µA78L05C, µA78L05AC
7 20
µA78L06C, µA78L06AC
8.5 20
µA78L08C, µA78L08AC
10.5 23
I
µA78L09C, µA78L09AC
11.5 24
µA78L10AC
12.5 25
µA78L12C, µA78L12AC
14.5 27
µA78L15C, µA78L15AC
17.5 30
Output current, I
O
100 mA
Operating virtual junction temperature, T
J
0 125 °C
µA78L00 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS010I – JANUARY 1976 – REVISED JULY 1999
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics at specified virtual junction temperature, VI = 9 V, IO = 40 mA (unless
otherwise noted)
25°C
2.5 2.6 2.7
Output voltage
0°C to 125°C
2.45 2.75
V
IO = 1 mA to 70 mA
0°C to 125°C
2.45 2.75
Ripple rejection VI = 6 V to 20 V, f = 120 Hz 25°C 43 51 dB
Output voltage regulation
Output noise voltage f = 10 Hz to 100 kHz 25°C 30 µV
Dropout voltage 25°C 1.7 V
†
Pulse-testing techniques maintain TJ as close to TA as possible. Thermal effects must be taken into account separately . All characteristics are
measured with a 0.33-µF capacitor across the input and a 0.1-µF capacitor across the output.
electrical characteristics at specified virtual junction temperature, VI = 10 V, IO = 40 mA (unless
otherwise noted)
25°C 4.6 5 5.4 4.8 5 5.2
Output voltage
0°C to 125°C
4.5 5.5 4.75 5.25
V
IO = 1 mA to 70 mA
0°C to 125°C
4.5 5.5 4.75 5.25
Input
VI = 7 V to 20 V
voltage regulation
VI = 8 V to 20 V
Ripple rejection VI = 8 V to 18 V, f = 120 Hz 25°C 40 49 41 49 dB
Output
IO = 1 mA to 100 mA
voltage regulation
IO = 1 mA to 40 mA
Output
noise voltage
f = 10 Hz to 100 kHz 25°C 42 42 µV
Dropout voltage 25°C 1.7 1.7 V
current change
IO = 1 mA to 40 mA
†
Pulse-testing techniques maintain TJ as close to TA as possible. Thermal effects must be taken into account separately . All characteristics are
measured with a 0.33-µF capacitor across the input and a 0.1-µF capacitor across the output.