Fairchild Semiconductor KA78L24AZ Datasheet
KA78LXXA
3-terminal 0.1A positive voltage regulator
www.fairchildsemi.com
Features
• Maximum Output Current of 100mA
• Output Voltage of 5V, 6V, 8V, 9V,1 0V, 12V, 15V, 18V
and 24V
• Thermal Overload Protection
• Short Circuit Current Limiting
• Output Voltage Offered in ± 5% Tolerance
Description
The KA78LXX ser ies of fixe d voltage m onolithi c integrat ed
circuit voltage regulators are suitable for application that
required supply current up to 100mA.
TO-92
1
1: Output 2: GND 3: Input
8-SOP
1
1: Output 2: GND 3: GND 4: NC
5: NC 6: GND 7: GND 8: Input
Internal Block Diagram
V
I
Inpu
t
3
REFERE NCE VOLT AGE
GND
2
©2000 Fairchild Semiconductor International
THERMAL SHUTDOWN
I
+
-
CIRCUIT
SHORT CIRCUIT
PROTECTION
R
SC
V
0
Outpu
t
1
Rev. 5.0
KA78LXXA
Absolute Maximum Ratings
Parameter Symbol Value Unit
Input Voltage (for V
(for V
= 12V to 18V)
O
(for V
O =
24V
= 5V, 8V)
O
Operating Junction Temperature Range T
Storage Temperature Range T
V
I
J
STG
30
35
40
0 ~ +150 °C
-65 ~ +150 °C
Electrical Characteristi c s(K A 78L05A)
(V
= 10V, I
I
Output Voltage V
Line Regulation
= 40mA, 0
O
°C ≤ T
≤ 125
J
= 0.33 µF, CO = 0.1µF, unless otherwise specified. (Note 1)
°C, C
I
Parameter Symbol Conditions Min. Typ. Max. Unit
°C4.85.05.2V
°C
7V ≤≤≤≤ V
8V ≤≤≤≤ V
≤≤≤≤ 20V - 8 150 mV
I
≤≤≤≤ 20V
I
-
6 100 mV
∆V
TJ = 25
O
TJ = 25
O
V
V
V
Load Regulation
Output Voltage V
O
TJ = 25
7V ≤V
O
7V ≤V
°C
≤20V 1mA ≤ IO ≤ 40mA - - 5.25 V
I
≤ V
I
∆V
(Note 2)
Quiescent Current I
Quiescent Current
Change
with line ∆I
with load ∆I
Output Noise Voltage V
Temperature Coefficient of V
∆V
O
TJ = 25
Q
8V ≤V
Q
1mA ≤ I
Q
TA = 25
N
/∆TIO = 5mA - -0.65 - mV/
O
°C-2.05.5mA
≤ 20V - - 1.5 mA
I
≤ 40
O
°C, 10Hz ≤ f ≤ 100KHz - 40 - µV
Ripple Rejection RR f = 120Hz, 8V ≤ V
Dropout Voltage V
Notes:
1. The max imum st eady sta te usable output cu rrent and inpu t voltage are very depende nt on the heat si nking an d/or lead length
of the package. The data a bove rep resent p ulse tes t conditi ons with junction temper ature as indicate d at the initiatio n of test s.
2. Power dissipation ≤ 0.75W.
TJ = 25
D
°C-1.7-V
1mA ≤ I
1mA ≤ I
MAX
1mA ≤ I
mA - - 0.1 mA
≤ 18V, T
I
≤ 100mA - 11 60 mV
O
≤ 40mA - 5.0 30 mV
O
≤ 70mA 4.75 - 5.25 V
O
= 25
°C41 80 - dB
J
°C
2
Electrical Characteristi c s(K A 78L06A)
(V
= 12V, I
I
Output Voltage V
Line Regulation
= 40mA, 0
O
°C ≤ T
≤ 125
J
= 0.33 µF, CO = 0.1µF, unless otherwise specified. (Note 1)
°C, C
I
Parameter Symbol Conditions Min. Typ. Max. Unit
°C 5.75 6.0 6.25 V
°C
∆V
TJ = 25
O
TJ = 25
O
8.5V < V
9V ≥ V
I
KA78LXXA
< 20V - 64 175 mV
I
≥ 20V - 54 125 mV
Load Regulation ∆V
Output Voltage V
Quiescent Current I
Quiescent Current
Change
with line ∆I
with load ∆I
Output Noise Voltage V
Temperature Coefficient of V
∆V
O
TJ = 25
O
8.5 < V
O
8.5 < V
TJ = 25
Q
T
9 < V
Q
1mA < I
Q
TA = 25
N
/∆TIO = 5mA - 0.75 - mV/
O
°C
< 20V, 1mA < IO < 40mA 5.7 - 6.3 V
I
< V
I
MAX
°C--5.5mA
= 125
J
°C-3.96.0mA
< 20V - - 1.5 mA
I
< 40mA - - 0.1 mA
O
°C, 10Hz ≤ f ≤ 100KHz - 40 - µV
Ripple Rejection RR f = 120Hz, 10V < V
Dropout Voltage V
Notes:
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 package. The dat a above repres ent pulse test c onditions with junction temp erature as ind icated at the initi ation of tests.
2. Power dissipation ≤ 0.75W.
TJ = 25
D
°C-1.7-V
1mA < I
1mA < I
(Note), 1mA < I
< 20V, T
I
< 100mA - 12.8 80 mV
O
< 70mA - 5.8 40 mV
O
< 70mA 5.7 - 6.3 V
O
= 25
°C4046-dB
J
°C
3
KA78LXXA
Electrical Characteristi c s(K A 78L08A)
(V
= 14V, I
I
Output Voltage V
Line Regulation ∆V
Load Regulation
Output Voltage V
Quiescent Current I
Quiescent Current
Change
Output Noise Voltage V
Temperature Coefficient of V
Ripple Rejection RR f = 120Hz, 11V ≤ V
Dropout Voltage V
= 40mA, 0
O
°C ≤ T
≤ 125
J
= 0.33 µF, CO = 0.1µF, unless otherwise specified. (Note 1)
°C, C
I
Parameter Symbol Conditions Min. Typ. Max. Unit
°C7.78.08.3V
°C
°C1mA ≤ IO ≤ 100mA - 15 80 mV
≤ 23V 1mA ≤ IO ≤ 40mA 7.6 - 8.4 V
I
≤
I
(Note 2)
MAX
°C-2.05.5mA
≤ 23V - - 1.5 mA
I
≤ 40mA - - 0.1 mA
O
°C, 10Hz ≤ f ≤100KHz - 60 - µV
°C-1.7-V
∆V
with line ∆I
with load ∆I
∆V
O
TJ = 25
O
O
TJ = 25
TJ = 25
O
10.5V ≤ V
O
10.5V ≤ V
V
Q
O
TJ = 25
11V ≤ V
Q
1mA ≤ I
Q
TA = 25
N
/∆TIO = 5mA - -0.8 - mV/
TJ = 25
D
10.5V ≤ V
≤ 23V - 10 175 mV
I
11V ≤ VI ≤ 23V - 8 125 mV
1mA ≤ I
1mA ≤ I
≤ 21V, T
I
≤ 40mA - 8.0 40 mV
O
≤ 70mA 7.6 - 8.4 V
O
= 25
°C39 70 - dB
J
°C
Notes:
1. The max imum st eady sta te usable output cu rrent and inpu t voltage are very depende nt on the heat si nking an d/or lead length
of the package. The data a bove rep resent p ulse tes t conditi ons with junction temper ature as indicate d at the initiatio n of test s.
2. Power dissipation ≤ 0.75W.
4
Electrical Characteristi c s(K A 78L09A)
(V
= 15V, I
I
Output Voltage V
Line Regulation
= 40mA, 0
O
°C ≤ T
≤ 125
J
= 0.33 µF, CO = 0.1µF, unless otherwise specified. (Note 1)
°C, C
I
Parameter Symbol Conditions Min. Typ. Max. Unit
°C 8.64 9.0 9.36 V
°C
∆V
TJ = 25
O
TJ = 25
O
11.5V ≤ V
13V ≤ V
I
KA78LXXA
≤ 24V - 90 200 mV
I
≤ 24V - 100 150 mV
Load Regulation ∆V
Output Voltage V
Quiescent Current I
Quiescent Current
Change
with line ∆I
with load ∆I
Output Noise Voltage V
Temperature Coefficient of V
∆V
O
TJ = 25
O
11.5V ≤ V
O
11.5V ≤ V
V
Q
O
TJ = 25
13V ≤ V
Q
1mA ≤ I
Q
TA = 25
N
/∆TIO = 5mA - -0.9 - mV/
°C
≤ 24V 1mA ≤ I
I
I
(Note 2)
MAX
°C-2.16.0mA
≤ 24V - - 1.5 mA
I
≤ 40mA - - 0.1 mA
O
°C, 10Hz ≤ f ≤ 100KHz - 70 - µV
Ripple Rejection RR f = 120Hz, 12V ≤ V
Dropout Voltage V
Notes:
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 package. The dat a above repres ent pulse test c onditions with junction temp erature as ind icated at the initi ation of tests.
2. Power dissipation ≤ 0.75W.
TJ = 25
D
°C-1.7-V
1mA ≤ I
1mA ≤ I
≤
1mA ≤ I
≤ 22V, T
I
≤ 100mA - 20 90 mV
O
≤ 40mA - 10 45 mV
O
≤ 40mA 8.55 - 9.45 V
O
≤ 70mA 8.55 - 9.45 V
O
= 25
°C38 44 - dB
J
°C
5
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