©2012 Fairchild Semiconductor Corporation
www.fairchildsemi.com
Rev. 1.0.7
Features
Maximum Output Current of 100mA
Output Voltage of 5V, 6V, 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
1. Output 2. GND 3. Input
8-SOP
1. Output 2. GND 3. GND 4. NC
5. NC 6. GND 7. GND 8. Input
1
1
SOT-89
1
GND
23
23
8
Internal Block Diagram
VI3
2GND V0
1
I
RSC
REFERENCE VOLTAGE
SHORT CIRCUIT
PROTECTION
THERMAL SHUTDOWN
CIRCUIT
+
-
Input
Output
MC78LXXA/LM78LXXA/MC78L05AA
3-Terminal 0.1A Positive Voltage Regulator
MC78LXXA/LM78LXXA/MC78L05AA
2
Absolute Maximum Ratings
Electrical Characteristics(MC78L05A/LM78L05A)
(VI = 10V, IO = 40mA, 0°C TJ 125°C, CI = 0.33μF, CO = 0.1μF, unless otherwise specified. (Note 1)
Note:
1. The maximum steady state usable output current and input voltage are very dependent on the heat sinking and/or lead length
of the package. The data above represent pulse test conditions with junction temperature as indicated at the initiation of tests.
2. Power dissipation PD 0.75W.
Parameter Symbol Value Unit
Input Voltage (for VO = 5V to 8V)
(for VO = 12V to 18V)
(for VO = 24V) VI30
35
40
V
V
V
Operating Junction Temperature Range TJ0 ~ +150 °C
Storage Temperature Range TSTG -65 ~ +150 °C
Thermal Resistance Junction-Case
TO-92 RθJC 50 °C/W
Thermal Resistance Junction-Air
TO-92
SOT-89
8-SOP
RθJA 150
225
160
°C/W
°C/W
°C/W
Parameter Symbol Conditions Min. Typ. Max. Unit
Output Voltage VOTJ = 25°C 4.8 5.0 5.2 V
Line Regulation (Note1) ΔVOTJ = 25°C7V VI 20V - 8 150 mV
8V VI 20V - 6 100 mV
Load Regulation (Note1) ΔVOTJ = 25°C1mA IO 100mA - 11 60 mV
1mA IO 40mA - 5.0 30 mV
Output Voltage VO7V VI 20V 1mA IO 40mA - - 5.25 V
7V VI VMAX
(Note2) 1mA IO 70mA 4.75 - 5.25 V
Quiescent Current IQTJ = 25°C-2.05.5mA
Quiescent Current
Change With Line ΔIQ8V VI 20V - - 1.5 mA
With Load ΔIQ1mA IO 40 mA - - 0.1 mA
Output Noise Voltage VNTA = 25°C, 10Hz f 100kHz - 40 - μV/Vo
Temperature Coefficient of VOΔVO/ΔTI
O = 5mA - -0.65 - mV/°C
Ripple Rejection RR f = 120Hz, 8V VI 18V, TJ = 25°C4180 - dB
Dropout Voltage VDTJ = 25°C-1.7-V
MC78LXXA/LM78LXXA/MC78L05AA
3
Electrical Characteristics(MC78L06A) (Continued)
(VI = 12V, IO = 40mA, 0°C TJ 125°C, CI = 0.33μF, CO = 0.1μF, unless otherwise specified. (Note 1)
Note:
1. The maximum steady state usable output current and input voltage are very dependent on the heat sinking and/or lead length
of the package. The data above represent pulse test conditions with junction temperature as indicated at the initiation of tests.
2. Power dissipation PD 0.75W.
Parameter Symbol Conditions Min. Typ. Max. Unit
Output Voltage VOTJ = 25°C 5.75 6.0 6.25 V
Line Regulation (Note1) ΔVOTJ = 25°C8.5V VI 20V - 64 175 mV
9V VI 20V - 54 125 mV
Load Regulation (Note1) ΔVOTJ = 25°C1mA IO 100mA - 12.8 80 mV
1mA IO 70mA - 5.8 40 mV
Output Voltage VO8.5 VI 20V, 1mA IO 40mA 5.7 - 6.3 V
8.5 VI VMAX(Note), 1mA IO 70mA 5.7 - 6.3 V
Quiescent Current IQTJ = 25°C--5.5mA
TJ = 125°C-3.96.0mA
Quiescent Current
Change With Line ΔIQ9 VI 20V - - 1.5 mA
With Load ΔIQ1mA IO 40mA - - 0.1 mA
Output Noise Voltage VNTA = 25°C, 10Hz f 100kHz - 40 - μV/Vo
Temperature Coefficient of VOΔVO/ΔTI
O = 5mA - 0.75 - mV/°C
Ripple Rejection RR f = 120Hz, 10V VI 20V, TJ = 25°C4046-dB
Dropout Voltage VDTJ = 25°C-1.7-V
MC78LXXA/LM78LXXA/MC78L05AA
4
Electrical Characteristics(MC78L08A) (Continued)
(VI = 14V, IO = 40mA, 0°C TJ 125°C, CI = 0.33μF, CO = 0.1μF, unless otherwise specified. (Note 1)
Note:
1. The maximum steady state usable output current and input voltage are very dependent on the heat sinking and/or lead length
of the package. The data above represent pulse test conditions with junction temperature as indicated at the initiation of tests.
2. Power dissipation PD 0.75W.
Parameter Symbol Conditions Min. Typ. Max. Unit
Output Voltage VOTJ = 25°C 7.7 8.0 8.3 V
Line Regulation (Note1) ΔVOTJ = 25°C10.5V VI 23V - 10 175 mV
11V VI 23V - 8 125 mV
Load Regulation (Note1) ΔVOTJ = 25°C1mA IO 100mA - 15 80 mV
1mA IO 40mA - 8.0 40 mV
Output Voltage VO10.5V VI 23 V 1mA IO 40mA 7.6 - 8.4 V
10.5V VI
VMAX (Note2) 1mA IO 70mA 7.6 - 8.4 V
Quiescent Current IQTJ = 25°C-2.05.5mA
Quiescent Current
Change With Line ΔIQ11V VI 23V - - 1.5 mA
With Load ΔIQ1mA IO 40mA - - 0.1 mA
Output Noise Voltage VNTA = 25°C, 10Hz f 100kHz - 60 - μV/Vo
Temperature Coefficient of VOΔVO/ΔTI
O = 5mA - -0.8 - mV/°C
Ripple Rejection RR f = 120Hz, 11V VI 21V, TJ = 25°C39 70 - dB
Dropout Voltage VDTJ = 25°C-1.7-V
MC78LXXA/LM78LXXA/MC78L05AA
5
Electrical Characteristics(MC78L12A/LM78L12A) (Continued)
(VI = 19V, IO = 40mA, 0°C TJ 125°C, CI = 0.33 μF, CO = 0.1μF, unless otherwise specified. (Note1))
Note:
1. The maximum steady state usable output current and input voltage are very dependent on the heat sinking and/or lead length
of the package. The data above represent pulse test conditions with junction temperature as indicated at the initiation of tests.
2. Power dissipation PD 0.75W.
Parameter Symbol Conditions Min. Typ. Max. Unit
Output Voltage VOTJ = 25°C 11.5 12 12.5 V
Line Regulation (Note1) ΔVOTJ = 25°C14.5V VI 27V - 20 250 mV
16V VI 27V - 15 200 mV
Load Regulation (Note1) ΔVOTJ = 25°C1mA IO 100mA - 20 100 mV
1mA IO 40mA - 10 50 mV
Output Voltage VO14.5V VI 27V 1mA IO 40mA 11.4 - 12.6 V
14.5V VI
VMAX (Note2) 1mA IO 70mA 11.4 - 12.6 V
Quiescent Current IQTJ = 25°C-2.16.0mA
Quiescent Current
Change With Line ΔIQ16V VI 27V - - 1.5 mA
With Load ΔIQ1mA IO 40mA - - 0.1 mA
Output Noise Voltage VNTA = 25°C, 10Hz f 100kHz - 80 - μV/Vo
Temperature Coefficient of VOΔVO/ΔTI
O = 5mA - -1.0 - mV/°C
Ripple Rejection RR f = 120Hz, 15V VI 25V, TJ = 25°C37 65 - dB
Dropout Voltage VDTJ = 25°C-1.7-V
MC78LXXA/LM78LXXA/MC78L05AA
6
Electrical Characteristics(MC78L15A) (Continued)
(VI = 23V, IO = 40mA, 0°C TJ 125°C, CI = 0.33 μF, CO = 0.1μF, unless otherwise specified. (Note1))
Note:
1. The maximum steady state usable output current and input voltage are very dependent on the heat sinking and/or lead length
of the package. The data above represent pulse test conditions with junction temperature as indicated at the initiation of tests.
2. Power dissipation PD 0.75W.
Parameter Symbol Conditions Min. Typ. Max. Unit
Output Voltage VOTJ = 25°C 14.4 15 15.6 V
Line Regulation (Note1) ΔVOTJ = 25°C17.5V VI 30V - 25 300 mV
20V VI 30V - 20 250 mV
Load Regulation (Note1) ΔVOTJ = 25°C1mA IO 100mA - 25 150 mV
1mA IO 40mA - 12 75 mV
Output Voltage VO17.5V VI 30V 1mA IO 40mA 14.25 - 15.75 V
17.5V VI
VMAX (Note2) 1mA IO 70mA 14.25 - 15.75 V
Quiescent Current IQTJ = 25°C-2.16.0mA
Quiescent Current
Change With Line ΔIQ20V VI 30V - - 1.5 mA
With Load ΔIQ1mA IO 40mA - - 0.1 mA
Output Noise Voltage VNTA = 25°C, 10Hz f 100kHz - 90 - μV/Vo
Temperature Coefficient of VOΔVO/ΔTI
O = 5mA - -1.3 - mV/°C
Ripple Rejection RR f = 120Hz, 18.5VVI 28.5V, TJ = 25°C34 60 - dB
Dropout Voltage VDTJ = 25°C-1.7-V
MC78LXXA/LM78LXXA/MC78L05AA
7
Electrical Characteristics(MC78L18A) (Continued)
(VI = 27V, IO = 40mA, 0°C TJ 125°C, CI = 0.33μF, CO = 0.1μF, unless otherwise specified. (Note1))
Note:
1. The maximum steady state usable output current and input voltage are very dependent on the heat sinking and/or lead length
of the package. The data above represent pulse test conditions with junction temperature as indicated at the initiation of tests.
2. Power dissipation PD 0.75W.
Parameter Symbol Conditions Min. Typ. Max. Unit
Output Voltage VOTJ = 25°C 17.3 18 18.7 V
Line Regulation (Note1) ΔVOTJ = 25°C21V VI 33V - 145 300 mV
22V VI 33V - 135 250 mV
Load Regulation (Note1) ΔVOTJ = 25°C1mA IO100mA - 30 170 mV
1mA IO 40mA - 15 85 mV
Output Voltage VO21V VI 33V 1mA IO 40mA 17.1 - 18.9 V
21V VI
VMAX (Note2) 1mA IO 70mA 17.1 - 18.9 V
Quiescent Current IQTJ = 25°C-2.26.0mA
Quiescent Current
Change With Line ΔIQ21V VI 33V - - 1.5 mA
With Load ΔIQ1mA IO 40mA - - 0.1 mA
Output Noise Voltage VNTA = 25°C, 10Hz f 100kHz - 150 - μV/Vo
Temperature Coefficient of VOΔVO/ΔTI
O = 5mA - -1.8 - mV/°C
Ripple Rejection RR f = 120Hz, 23V VI 33V, TJ = 25°C34 48 - dB
Dropout Voltage VDTJ = 25°C-1.7-V
MC78LXXA/LM78LXXA/MC78L05AA
8
Electrical Characteristics(MC78L24A) (Continued)
(VI = 33V, IO = 40mA, 0°C TJ 125°C, CI = 0.33μF, CO = 0.1μF, unless otherwise specified. (Note1))
Note:
1. The maximum steady state usable output current and input voltage are very dependent on the heat sinking and/or lead length
of the package. The data above represent pulse test conditions with junction temperature as indicated at the initiation of tests.
2. Power dissipation PD 0.75W.
Parameter Symbol Conditions Min. Typ. Max. Unit
Output Voltage VOTJ = 25°C232425V
Line Regulation (Note1) ΔVOTJ = 25°C27V VI 38V - 160 300 mV
28V VI 38V - 150 250 mV
Load Regulation (Note1) ΔVOTJ = 25°C1mA IO 100mA - 40 200 mV
1mA IO 40mA - 20 100 mV
Output Voltage VO27V VI 38V 1mA IO 40mA 22.8 - 25.2 V
27V VI
VMAX (Note2) 1mA IO 70mA 22.8 - 25.2 V
Quiescent Current IQTJ = 25°C-2.26.0mA
Quiescent Current
Change With Line ΔIQ28V VI 38V - - 1.5 mA
With Load ΔIQ1mA IO 40mA - - 0.1 mA
Output Noise Voltage VNTA = 25°C, 10Hz f 100kHz - 200 - μV/Vo
Temperature Coefficient of VOΔVO/ΔTI
O = 5mA - -2.0 - mV/°C
Ripple Rejection RR f = 120Hz, 28V VI 38V, TJ = 25°C34 45 - dB
Dropout Voltage VDTJ = 25°C-1.7-V
MC78LXXA/LM78LXXA/MC78L05AA
9
Absolute Maximum Ratings
Electrical Characteristics(MC78L05AA) (Continued)
(VI = 10V, IO = 40mA, 0°C TJ 125°C, CI = 0.33μF, CO = 0.1μF, unless otherwise specified. (Note))
Note:
1. The maximum steady state usable output current and input voltage are very dependent on the heat sinking and/or lead length
of the package. The data above represent pulse test conditions with junction temperature as indicated at the initiation of tests.
2. Power dissipation PD 0.75W.
Parameter Symbol Value Unit
Input Voltage (for VO = 5V to 8V)
(for VO = 12V to 18V)
(for VO = 24V) VI30
35
40
V
V
V
Operating Junction Temperature Range TJ0 ~ +150 °C
Storage Temperature Range TSTG -65 ~ +150 °C
Parameter Symbol Conditions Min. Typ. Max. Unit
Output Voltage VOTJ = 25°C 4.9 5.0 5.1 V
Line Regulation (Note1) ΔVOTJ = 25°C7V VI 20V - 8 150 mV
8V VI 20V - 6 100 mV
Load Regulation (Note1) ΔVOTJ = 25°C1mA IO 100mA - 11 50 mV
1mA IO 40mA - 5.0 25 mV
Output Voltage VO7V VI ≤20V 1mA IO 40mA - - 5.15 V
7V VI VMAX
(Note2) 1mA IO 70mA 4.75 - 5.15 V
Quiescent Current IQTJ = 25°C-2.05.5mA
Quiescent Current
Change With Line ΔIQ8V VI 20V - - 1.5 mA
With Load ΔIQ1mA IO 40 mA - - 0.1 mA
Output Noise Voltage VNTA = 25°C, 10Hz f 100kHz - 40 - μV/Vo
Temperature Coefficient of VOΔVO/ΔTI
O = 5mA - -0.65 - mV/°C
Ripple Rejection RR f = 120Hz, 8V VI 18V, TJ = 25°C4180 - dB
Dropout Voltage VDTJ = 25°C-1.7-V
MC78LXXA/LM78LXXA/MC78L05AA
10
Typical Application
’( )’ : 8SOP Type
Notes:
1. To specify an output voltage, substitute voltage value for “XX”.
2. Bypass Capacitors are recommend for optimum stability and transient response and should be located as clo se as possible
to the regulator
KA78LXXA
NOTE 1
INPUT OUTPUT
1(1)
2(2,3,6,7)
3(8)
C1
0.33 μF
NOTE 2 0. 1
NO T E 2
μF
MC78LXXA/LM78LXXA
MC78LXXA/LM78LXXA/MC78L05AA
11
Mechanical Dimensions
Package Dimensions in millimeters
D
APPROVED
July-14-2008
TO-92 Straight Lead for Bulk Packing
MC78LXXA/LM78LXXA/MC78L05AA
12
Mechanical Dimensions (Continued)
Package Dimensions in millimeters
D
APPROVED
July-14-2008
TO-92 Formed Lead For T&R and Ammo Packing
MC78LXXA/LM78LXXA/MC78L05AA
13
Mechanical Dimensions (Continued)
Package Dimensions in millimeters
8-SOP
4.92
±0.20
0.194
±0.008
0.41
±0.10
0.016
±0.004
1.27
0.050
5.72
0.225
1.55
±0.20
0.061
±0.008
0.1~0.25
0.004~0.001
6.00
±0.30
0.236
±0.012
3.95
±0.20
0.156
±0.008
0.50
±0.20
0.020
±0.008
5.13
0.202 MAX
#1
#4 #5
0~8°
#8
0.56
0.022
()
1.80
0.071
MAX0.10
MAX0.004
MAX
MIN
+
0.10
-0.05
0.15+
0.004
-0.002
0.006
MC78LXXA/LM78LXXA/MC78L05AA
14
Mechanical Dimensions (Continued)
Package Dimensions in millimeters
SOT-89
0.40
±0.10
2.50
±0.20
(0.50)
(0.40
)
4.10
±0.20
0.40
+0.10
–0.05
0.50
±0.10
1.65
±0.10
4.50
±0.20
1.50
±0.20
C0.2
1.50 TYP 1.50 TYP
(1.10)
MC78LXXA/LM78LXXA/MC78L05AA
3/8/12 0.0m 001
Stock#DS400727
© 2012 Fairchild Semiconductor Corporation
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES
OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, and (c) whose failure to
perform when properly used in accordance with
instructions for use provided in the labeling, can be
reasonably expected to result in a significant injury of the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY
PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRC HILD DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUC T OR CIRCUIT DESCRIBED HEREIN ; NEITHER
DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
Ordering Information
Product Number Package Output Voltage Tolerance Operating Temperature
LM78L05ACZ TO-92 5% 0 ~ +125°C
LM78L12ACZ
Product Number Package Output Voltage Tolerance Operating Temperature
MC78L05ACP
TO-92
5% 0 ~ +125°C
MC78L06ACP
MC78L08ACP
MC78L12ACP
MC78L15ACP
MC78L18ACP
MC78L24ACP
MC78L05ACD 8-SOPMC78L08ACD
MC78L12ACD
MC78L05ACH SOT-89MC78L08ACH
MC78L12ACH
MC78L05AACP TO-92 2%