©2004 Fairchild Semiconductor Corporation
www.fairchildsemi.com
Rev. 1.0.6
Features
• Maximum Output Current of 100mA
• Output Voltage of 5V, 8V, 12V, 15V, 18V and 24V
• Thermal Overload Protectio n
• Short Circuit Current Limiting
• Output Voltag e Offered in ±5% Toleran ce
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. Out put 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
V
I
3
2GND V
0
1
I
R
SC
REFERENCE VOLTAGE
SHORT CIRCUIT
PROTECTION
THERMAL SHUTDOWN
CIRCUIT
+
-
Inpu
t
Outpu
t
MC78LXXA/LM78LXXA/MC78L05AA
3-Terminal 0.1A Positive Volta ge Regulator
MC78LXXA/LM78LXXA/MC78L05AA
2
Absolute Maximum Ratings
Electrical Characteristics(MC78L05A/LM78L05A)
(V
I
= 10V, I
O
= 40mA, 0°C ≤ T
J
≤ 125°C, C
I
= 0.33µF, C
O
= 0.1µF, unles s otherwise specified. (Note 1)
Note:
1. The max imum st eady sta te usable output cu rrent and inpu t voltage are very depende nt on the heat s inking an d/or l ead leng th
of the pa ckage. The data above represen t pulse test con ditions w ith junc tion temper ature as indicate d at the initiatio n of test s.
2. Pow er dis sipat ion PD ≤ 0.75W.
Parameter Symbol Value Unit
Input Voltage (for V
O
= 5V, 8V)
(for V
O
= 12V to 18V)
(for V
O
=
24V) V
I
30
35
40
V
V
V
Operating Junction Temperature Range T
J
0 ~ +150 °C
Storage Temperature Range T
STG
-65 ~ +150 °C
Parameter Symbol Conditions Min. Typ. Max. Unit
Output Voltage V
O
T
J
= 25°C 4.8 5.0 5.2 V
Line Regulation (Note1) ∆V
O
T
J
= 25°C7V ≤ V
I
≤ 20V - 8 150 mV
8V ≤ V
I
≤ 20V - 6 100 mV
Load Regulation (Note1) ∆V
O
T
J
= 25°C1mA ≤ I
O
≤ 100mA - 11 60 mV
1mA ≤ I
O
≤ 40mA - 5.0 30 mV
Output Voltage V
O
7V ≤ V
I
≤ 20V 1mA ≤ I
O
≤ 40mA - - 5.25 V
7V ≤ V
I
≤ V
MAX
(Note2) 1mA ≤ I
O
≤ 70mA 4.75 - 5.25 V
Quiescent Current I
Q
T
J
= 25°C-2.05.5mA
Quiescent Current
Change With Line ∆I
Q
8V ≤V
I
≤ 20V - - 1.5 mA
With Load ∆I
Q
1mA ≤ I
O
≤ 40
mA - - 0.1 mA
Output Noise Voltage V
N
T
A
= 25°C, 10Hz ≤ f ≤ 100kHz - 40 - µV/Vo
Temperature Coefficient of V
O
∆V
O
/∆TI
O
= 5mA - -0.65 - mV/°C
Ripple Rejection RR f = 120Hz, 8V ≤ V
I
≤ 18V, T
J
= 25°C4180 - dB
Dropout Voltage V
D
T
J
= 25°C-1.7-V
MC78LXXA/LM78LXXA/MC78L05AA
3
Electrical Characteristics(MC78L08A)
(Continued)
(V
I
= 14V, I
O
= 40mA, 0°C ≤ T
J
≤ 125°C, C
I
= 0.33µF, C
O
= 0.1µF, unles s otherwise specified. (Note 1)
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 packa ge. The data ab ove represen t pulse test c onditions with junction tempera ture as ind icated at the initi ation of tests.
2. Pow er dis sipat ion PD ≤ 0.75W.
Parameter Symbol Conditions Min. Typ. Max. Unit
Output Voltage V
O
T
J
= 25°C 7.7 8.0 8.3 V
Line Regulation (Note1) ∆V
O
T
J
= 25°C10.5V ≤ V
I
≤ 23V - 10 175 mV
11V ≤ V
I
≤ 23V - 8 125 mV
Load Regulation (Note1) ∆V
O
T
J
= 25°C1mA ≤ I
O
≤ 100mA - 15 80 mV
1mA ≤ I
O
≤ 40mA - 8.0 40 mV
Output Voltage V
O
10.5V ≤ V
I
≤ 23V 1mA ≤ I
O
≤ 40mA 7.6 - 8.4 V
10.5V ≤ V
I
≤
V
MAX
(Note2) 1mA ≤ I
O
≤ 70mA 7.6 - 8.4 V
Quiescent Current I
Q
T
J
= 25°C-2.05.5mA
Quiescent Current
Change With Line ∆I
Q
11V ≤ V
I
≤ 23V - - 1.5 mA
With Load ∆I
Q
1mA ≤ I
O
≤ 40mA - - 0.1 mA
Output Noise Voltage V
N
T
A
= 25°C, 10Hz ≤ f ≤100kHz - 60 - µV/Vo
Temperature Coefficient of V
O
∆V
O
/∆TI
O
= 5mA - -0.8 - mV/°C
Ripple Rejection RR f = 120Hz, 11V ≤ V
I
≤ 21V, T
J
= 25°C39 70 - dB
Dropout Voltage V
D
T
J
= 25°C-1.7-V
MC78LXXA/LM78LXXA/MC78L05AA
4
Electrical Characteristics(MC78L12A/LM78L12A)
(Continued)
(V
I
= 19V, I
O
= 40mA, 0°C ≤ T
J
≤ 125°C, C
I
= 0.33 µF, C
O
= 0.1µF, unless otherwise specified. (Note1))
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 packa ge. The data ab ove represen t pulse test c onditions with junction tempera ture as ind icated at the initi ation of tests.
2. Pow er dis sipat ion PD ≤ 0.75W.
Parameter Symbol Conditions Min. Typ. Max. Unit
Output Voltage V
O
T
J
= 25°C 11.5 12 12.5 V
Line Regulation (Note1) ∆V
O
T
J
= 25°C14.5V ≤ V
I
≤ 27V - 20 250 mV
16V ≤ V
I
≤ 27V - 15 200 mV
Load Regulation (Note1) ∆V
O
T
J
= 25°C1mA ≤ I
O
≤ 100mA - 20 100 mV
1mA ≤ I
O
≤ 40mA - 10 50 mV
Output Voltage V
O
14.5V ≤ V
I
≤ 27V 1mA ≤ I
O
≤ 40mA 11.4 - 12.6 V
14.5V ≤ V
I
≤
V
MAX
(Note2) 1mA ≤ I
O
≤ 70mA 11.4 - 12.6 V
Quiescent Current I
Q
T
J
= 25°C-2.16.0mA
Quiescent Current
Change With Line ∆I
Q
16V ≤ V
I
≤ 27V - - 1.5 mA
With Load ∆I
Q
1mA ≤ I
O
≤ 40mA - - 0.1 mA
Output Noise Voltage V
N
T
A
= 25°C, 10Hz ≤ f ≤ 100kHz - 80 - µV/Vo
Temperature Coefficient of V
O
∆V
O
/∆TI
O
= 5mA - -1.0 - mV/°C
Ripple Rejection RR f = 120Hz, 15V ≤ V
I
≤ 25V, T
J
= 25°C37 65 - dB
Dropout Voltage V
D
T
J
= 25°C-1.7-V
MC78LXXA/LM78LXXA/MC78L05AA
5
Electrical Characteristics(MC78L15A)
(Continued)
(V
I
= 23V, I
O
= 40mA, 0°C ≤ T
J
≤ 125°C, C
I
= 0.33 µF, C
O
= 0.1µF, unless otherwise specified. (Note1))
Note:
1. The m ax i mum s t ea dy state usa ble outp ut current a nd input vo ltage are v ery depe nd ent on th e h eat sinking an d/or lead le ngth
of the pa ckage. The data above represen t pulse test con ditions w ith junc tion temper ature as indicate d at the initiatio n of test s.
2. Power dissi pation PD ≤ 0.75W.
Parameter Symbol Conditions Min. Typ. Max. Unit
Output Voltage V
O
T
J
= 25°C 14.4 15 15.6 V
Line Regulation (Note1) ∆V
O
T
J
= 25°C17.5V ≤ V
I
≤ 30V - 25 300 mV
20V ≤ V
I
≤ 30V - 20 250 mV
Load Regulation (Note1) ∆V
O
T
J
= 25°C1mA ≤ I
O
≤ 100mA - 25 150 mV
1mA ≤ I
O
≤ 40mA - 12 75 mV
Output Voltage V
O
17.5V ≤ V
I
≤ 30V 1mA ≤ I
O
≤ 40mA 14.25 - 15.75 V
17.5V ≤ V
I
≤
V
MAX
(Note2) 1mA ≤ I
O
≤ 70mA 14.25 - 15.75 V
Quiescent Current I
Q
T
J
= 25°C-2.16.0mA
Quiescent Current
Change With Line ∆I
Q
20V ≤ V
I
≤ 30V - - 1.5 mA
With Load ∆I
Q
1mA ≤ I
O
≤ 40mA - - 0.1 mA
Output Noise Voltage V
N
T
A
= 25°C, 10Hz ≤ f ≤ 100kHz - 90 - µV/Vo
Temperature Coefficient of V
O
∆V
O
/∆TI
O
= 5mA - -1.3 - mV/°C
Ripple Rejection RR f = 120Hz, 18.5V≤V
I
≤28.5V, T
J
= 25 °C34 60 - dB
Dropout Voltage V
D
T
J
= 25°C-1.7-V
MC78LXXA/LM78LXXA/MC78L05AA
6
Electrical Characteristics(MC78L18A)
(Continued)
(V
I
= 27V, I
O
= 40mA, 0°C ≤ T
J
≤ 125°C, C
I
= 0.33µF, C
O
= 0.1µF, unless otherwise specified. (Note1))
Note:
1. The maxi mum st ead y state usable ou tp ut curre nt and inp ut volta ge ar e very de pende nt on the heat sinking and/ or lead le ngth
of the packa ge. The data ab ove repres ent pulse test c onditions with junction tempera ture as ind icated at the initi ation of test s.
2. Power dissi pation PD ≤ 0.75W.
Parameter Symbol Conditions Min. Typ. Max. Unit
Output Voltage V
O
T
J
= 25°C 17.3 18 18.7 V
Line Regulation (Note1) ∆V
O
T
J
= 25°C21V ≤ V
I
≤ 33V - 145 300 mV
22V ≤ V
I
≤ 33V - 135 250 mV
Load Regulation (Note1) ∆V
O
T
J
= 25°C1mA ≤ I
O
≤100mA - 30 170 mV
1mA ≤ I
O
≤ 40mA - 15 85 mV
Output Voltage V
O
21V ≤ V
I
≤ 33V 1mA ≤ I
O
≤ 40mA 17.1 - 18.9 V
21V ≤ V
I
≤
V
MAX
(Note2) 1mA ≤ I
O
≤ 70mA 17.1 - 18.9 V
Quiescent Current I
Q
T
J
= 25°C-2.26.0mA
Quiescent Current
Change With Line ∆I
Q
21V ≤ V
I
≤ 33V - - 1.5 mA
With Load ∆I
Q
1mA ≤ I
O
≤ 40mA - - 0.1 mA
Output Noise Voltage V
N
T
A
= 25°C, 10Hz ≤ f ≤ 100kHz - 150 - µV/Vo
Temperature Coefficient of V
O
∆V
O
/∆TI
O
= 5mA - -1.8 - mV/°C
Ripple Rejection RR f = 120Hz, 23V ≤ V
I
≤ 33V, T
J
= 25°C34 48 - dB
Dropout Voltage V
D
T
J
= 25°C-1.7-V
MC78LXXA/LM78LXXA/MC78L05AA
7
Electrical Characteristics(MC78L24A)
(Continued)
(V
I
= 33V, I
O
= 40mA, 0°C ≤ T
J
≤ 125°C, C
I
= 0.33µF, C
O
= 0.1µF, unless otherwise specified. (Note1))
Note:
1. The max imum st eady sta te usable output cu rrent and inpu t voltage are very depende nt on the heat s inking an d/or l ead leng th
of the pa ckage. The data above represen t pulse test con ditions w ith junc tion temper ature as indicate d at the initiatio n of test s.
2. Pow er dis sipat ion PD ≤ 0.75W.
Parameter Symbol Conditions Min. Typ. Max. Unit
Output Voltage V
O
T
J
= 25°C232425V
Line Regulation (Note1) ∆V
O
T
J
= 25°C27V ≤ V
I
≤ 38V - 160 300 mV
28V ≤ V
I
≤ 38V - 150 250 mV
Load Regulation (Note1) ∆V
O
T
J
= 25°C1mA ≤ I
O
≤ 100mA - 40 200 mV
1mA ≤ I
O
≤ 40mA - 20 100 mV
Output Voltage V
O
27V ≤ V
I
≤ 38V 1mA ≤ I
O
≤ 40mA 22.8 - 25.2 V
27V ≤ V
I
≤
V
MAX
(Note2) 1mA ≤ I
O
≤ 70mA 22.8 - 25.2 V
Quiescent Current I
Q
T
J
= 25°C-2.26.0mA
Quiescent Current
Change With Line ∆I
Q
28V ≤ V
I
≤ 38V - - 1.5 mA
With Load ∆I
Q
1mA ≤ I
O
≤ 40mA - - 0.1 mA
Output Noise Voltage V
N
T
A
= 25°C, 10Hz ≤ f ≤ 100kHz - 200 - µV/Vo
Temperature Coefficient of V
O
∆V
O
/∆TI
O
= 5mA - -2.0 - mV/°C
Ripple Rejection RR f = 120Hz, 28V ≤ V
I
≤ 38V, T
J
= 25°C34 45 - dB
Dropout Voltage V
D
T
J
= 25°C-1.7-V
MC78LXXA/LM78LXXA/MC78L05AA
8
Absolute Maximum Ratings
Electrical Characteristics(MC78L05AA)
(Continued)
(V
I
= 10V, I
O
= 40mA, 0°C ≤ T
J
≤ 125°C, C
I
= 0.33µF, C
O
= 0.1µF, unles s otherwise specified. (Note))
Note:
1. The maxi mum st ead y state usable ou tp ut curre nt and inp ut volta ge ar e very de pende nt on the heat sinking and/ or lead le ngth
of the packa ge. The data ab ove repres ent pulse test c onditions with junction tempera ture as ind icated at the initi ation of test s.
2. Power dissi pation PD ≤ 0.75W.
Parameter Symbol Value Unit
Input Voltage (for V
O
= 5V, 8V)
(for V
O
= 12V to 18V)
(for V
O
=
24V) V
I
30
35
40
V
V
V
Operating Junction Temperature Range T
J
0 ~ +150 °C
Storage Temperature Range T
STG
-65 ~ +150 °C
Parameter Symbol Conditions Min. Typ. Max. Unit
Output Voltage V
O
T
J
= 25°C 4.9 5.0 5.1 V
Line Regulation (Note1) ∆V
O
T
J
= 25°C7V ≤ V
I
≤ 20V - 8 150 mV
8V ≤ V
I
≤ 20V - 6 100 mV
Load Regulation (Note1) ∆V
O
T
J
= 25°C1mA ≤ I
O
≤ 100mA - 11 50 mV
1mA ≤ I
O
≤ 40mA - 5.0 25 mV
Output Voltage V
O
7V ≤V
I
≤20V 1mA ≤ I
O
≤ 40mA - - 5.15 V
7V ≤V
I
≤ V
MAX
(Note2) 1mA ≤ I
O
≤ 70mA 4.75 - 5.15 V
Quiescent Current I
Q
T
J
= 25°C-2.05.5mA
Quiescent Current
Change With Line ∆I
Q
8V ≤V
I
≤ 20V - - 1.5 mA
With Load ∆I
Q
1mA ≤ I
O
≤ 40
mA - - 0.1 mA
Output Noise Voltage V
N
T
A
= 25°C, 10Hz ≤ f ≤ 100kHz - 40 - µV/Vo
Temperature Coefficient of V
O
∆V
O
/∆TI
O
= 5mA - -0.65 - mV/°C
Ripple Rejection RR f = 120Hz, 8V ≤ V
I
≤ 18V, T
J
= 25°C4180 - dB
Dropout Voltage V
D
T
J
= 25°C-1.7-V
MC78LXXA/LM78LXXA/MC78L05AA
9
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 close 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
NOTE 2
µF
MC78LXXA/LM78LXXA
MC78LXXA/LM78LXXA/MC78L05AA
10
Mechanic al Dime nsions
Package Dimensions in millimeters
0.46
±0.10
1.27TYP
(R2.29)
3.86MAX
[1.27
±0.20
]1.27TYP
[1.27
±0.20
]
3.60
±0.20
14.47
±0.40
1.02
±0.10
(0.25) 4.58
±0.20
4.58
+0.25
–0.15
0.38
+0.10
–0.05
0.38
+0.10
–0.05
TO-92
MC78LXXA/LM78LXXA/MC78L05AA
11
Mechanic al Dime nsions
(Continued)
Package Dimensions in millimeters
Symbol Min Nom Max
A- -1.75
A1 0.10 0.15 0.25
A2 1.25 1.45 1.50
B 0.35 0.37 0.51
C 0.19 0.20 0.25
D 4.80 4.90 5.00
E 3.80 3.90 4.00
e 1.27BSC
H 5.79 5.99 6.20
h 0.25 - 0.50
L 0.50 0.70 0.90
GP 0.36 BSC
q0 - 8
aaa - - 0.25
bbb - - 0.10
8-SOP
MC78LXXA/LM78LXXA/MC78L05AA
12
Mechanic al Dime nsions
(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
13
Ordering Information
• For information on tape & reel and ammo pack specifications, including part orientation and tape sizes, please
refer to our tape and reel data, www.fairchildsemi.com/products/discrete/pdf/to92_tr.pdf.
Product Number Package Output Voltage Tolerance Operating Temperature Shipping
LM78L05ACZ
TO-92 5% 0 ~ +125°C
Bulk
LM78L12ACZ
LM78L05ABZX Tape & Reel
LM78L05ABZXA Ammo Pack
LM78L05ACZX Tape & Reel
LM78L05ACZXA Ammo Pack
LM78L12ACZX Tape & Reel
LM78L12ACZXA Ammo Pack
Product Number Package Output Voltage Tolerance Operating Temperature Shipping
MC78L05ACP
TO-92
5%
0 ~ +125°C
Bulk
MC78L08ACP
MC78L12ACP
MC78L15ACP
MC78L18ACP
MC78L24ACP
MC78L05ACD 8-SOPMC78L08ACD
MC78L12ACD
MC78L05ACH SOT-89MC78L08ACH
MC78L12ACH
MC78L05AACP
TO-92
2%
MC78L05AACPXA
5%
Ammo Pack
MC78L05ABPX Tape & Reel
MC78L05ABPXA Ammo Pack
MC78L05ACPX Tape & Reel
MC78L05ACPXA Ammo Pack
MC78L06ACPXA
MC78L08ACPX Tape & Reel
MC78L08ACPXA Ammo PackMC78L09ACPXA
MC78L10ACPXA
MC78L12ACPX Tape & Reel
MC78L12ACPXA Ammo Pack
MC78L15ACPX Tape & Reel
MC78L15ACPXA Ammo Pack
MC78L18ACPX Tape & Reel
MC78L18ACPXA Ammo Pack
MC78L24ACPX Tape & Reel
MC78L24ACPXA Ammo Pack
MC78LXXA/LM78LXXA/MC78L05AA
5/31/04 0.0m 001
Stock#DSxxxxxxxx
2004 Fairchild Semiconductor Corporation
LIFE SU PP ORT POL ICY
FAIRCHILD’ S PRODUCTS ARE NOT AUTHORIZ ED FOR USE AS CRI TICAL C OMPONENTS IN LIFE SUPP ORT DEVI CES
OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
CORPORA TION. As used he rein :
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 syst em who se fai lure to pe rform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effec tiv ene ss.
www.fairchildsemi.com
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MA KE CHANGES WITHOUT FURTHER NOTICE TO ANY
PRO DUCTS HEREIN TO IMPROVE RELIABILITY, FUN CTION OR DESIG N. FAIRCHILD DO ES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER
DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIG HTS, NOR THE RIGHTS OF OT HERS.
