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KA78LXXA
3-terminal 0.1A positive voltage regulator
Features
* Maximum Output Current of 100mA * Output Voltage of 5V, 6V, 8V, 9V,10V, 12V, 15V, 18V and 24V * Thermal Overload Protection * Short Circuit Current Limiting * Output Voltage Offered in 5% Tolerance
Description
The KA78LXX series of fixed voltage monolithic integrated 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
VI Input 3
I
THERMAL SHUTDOWN CIRCUIT
REFERENCE VOLTAGE
+ -
SHORT CIRCUIT PROTECTION
RSC
GND 2
V0 Output 1
Rev. 5.0
(c)2000 Fairchild Semiconductor International
KA78LXXA
Absolute Maximum Ratings
Parameter Input Voltage (for VO = 5V, 8V) (for VO = 12V to 18V) (for VO = 24V Operating Junction Temperature Range Storage Temperature Range Symbol VI Value 30 35 40 0 ~ +150 -65 ~ +150 Unit V V V C C
TJ TSTG
Electrical Characteristics(KA78L05A)
(VI = 10V, IO = 40mA, 0 C TJ 125 C, CI = 0.33 F, CO = 0.1F, unless otherwise specified. (Note 1) Parameter Output Voltage Line Regulation Symbol VO VO VO TJ = 25 C TJ = 25 C TJ = 25 C 7V VI 20V Output Voltage Quiescent Current Quiescent Current Change Output Noise Voltage Temperature Coefficient of VO Ripple Rejection Dropout Voltage with line with load VO IQ IQ IQ VN VO/T RR VD 7V VI VMAX (Note 2) TJ = 25 C 8V VI 20V 1mA IO 40 mA TA = 25 C, 10Hz f 100KHz IO = 5mA f = 120Hz, 8V VI 18V, TJ = 25 C TJ = 25 C 7V VI 20V 8V VI 20V 1mA IO 100mA 1mA IO 40mA 1mA IO 40mA 1mA IO 70mA Conditions Min. 4.8 4.75 41 Typ. 5.0 8 6 11 5.0 2.0 40 -0.65 80 1.7 Max. 5.2 150 100 60 30 5.25 5.25 5.5 1.5 0.1 Unit V mV mV mV mV V V mA mA mA V mV/ C dB V
Load Regulation
Notes: 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 0.75W.
2
KA78LXXA
Electrical Characteristics(KA78L06A)
(VI = 12V, IO = 40mA, 0 C TJ 125 C, CI = 0.33 F, CO = 0.1F, unless otherwise specified. (Note 1) Parameter Output Voltage Line Regulation Symbol VO VO VO VO IQ with line with load IQ IQ VN RR VD TJ = 25 C TJ = 25 C TJ = 25 C 8.5V < VI < 20V 9V VI 20V 1mA < IO < 100mA 1mA < IO < 70mA Conditions Min. 5.75 5.7 5.7 40 Typ. 6.0 64 54 12.8 5.8 3.9 40 0.75 46 1.7 Max. 6.25 175 125 80 40 6.3 6.3 5.5 6.0 1.5 0.1 Unit V mV mV mV mV V V mA mA mA mA V mV/ C dB V
Load Regulation Output Voltage Quiescent Current Quiescent Current Change
8.5 < VI < 20V, 1mA < IO < 40mA 8.5 < VI < VMAX(Note), 1mA < IO < 70mA TJ = 25 C TJ = 125 C 9 < VI < 20V 1mA < IO< 40mA TA = 25 C, 10Hz f 100KHz IO = 5mA f = 120Hz, 10V < VI < 20V, TJ = 25 C TJ = 25 C
Output Noise Voltage Ripple Rejection Dropout Voltage
Temperature Coefficient of VO VO/T
Notes: 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 0.75W.
3
KA78LXXA
Electrical Characteristics(KA78L08A)
(VI = 14V, IO = 40mA, 0 C TJ 125 C, CI = 0.33 F, CO = 0.1F, unless otherwise specified. (Note 1) Parameter Output Voltage Line Regulation Symbol VO VO TJ = 25 C TJ = 25 C TJ = 25 C 10.5V VI 23V 11V VI 23V 1mA IO 100mA 1mA IO 40mA 10.5V VI 23V 1mA IO 40mA Output Voltage Quiescent Current Quiescent Current Change Output Noise Voltage Temperature Coefficient of VO Ripple Rejection Dropout Voltage with line with load VO IQ IQ IQ VN VO/T RR VD 10.5V VI VMAX (Note 2) TJ = 25 C 11V VI 23V 1mA IO 40mA TA = 25 C, 10Hz f 100KHz IO = 5mA f = 120Hz, 11V VI 21V, TJ = 25 C TJ = 25 C 1mA IO 70mA Conditions Min. 7.7 7.6 7.6 39 Typ. 8.0 10 8 15 8.0 2.0 60 -0.8 70 1.7 Max. 8.3 175 125 80 40 8.4 8.4 5.5 1.5 0.1 Unit V mV mV mV mV V V mA mA mA V mV/ C dB V
Load Regulation
VO
Notes: 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 0.75W.
4
KA78LXXA
Electrical Characteristics(KA78L09A)
(VI = 15V, IO = 40mA, 0 C TJ 125 C, CI = 0.33 F, CO = 0.1F, unless otherwise specified. (Note 1) Parameter Output Voltage Line Regulation Symbol VO VO VO TJ = 25 C TJ = 25 C TJ = 25 C 11.5V VI 24V 13V VI 24V 1mA IO 100mA 1mA IO 40mA Conditions Min. 8.64 8.55 8.55 38 Typ. 9.0 90 100 20 10 2.1 70 -0.9 44 1.7 Max. 9.36 200 150 90 45 9.45 9.45 6.0 1.5 0.1 Unit V mV mV mV mV V V mA mA mA V mV/ C dB V
Load Regulation
11.5V VI 24V 1mA IO 40mA Output Voltage Quiescent Current Quiescent Current Change Output Noise Voltage Temperature Coefficient of VO Ripple Rejection Dropout Voltage with line with load VO IQ IQ IQ VN VO/T RR VD 11.5V VI VMAX (Note 2) TJ = 25 C 13V VI 24V 1mA IO 40mA TA = 25 C, 10Hz f 100KHz IO = 5mA f = 120Hz, 12V VI 22V, TJ = 25 C TJ = 25 C 1mA IO 70mA
Notes: 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 0.75W.
5
KA78LXXA
Electrical Characteristics(KA78L10A)
(VI = 16V, IO = 40mA, 0 C TJ 125 C, CI = 0.33 F, CO = 0.1F, unless otherwise specified. (Note 1) Parameter Output Voltage Line Regulation Symbol VO VO VO TJ = 25 C TJ = 25 C TJ = 25 C 12.5 < VI < 25V 14V VI 25V 1mA IO 100mA 1mA IO 70mA 12.5V < VI < 25V, 1mA < IO < 40mA Output Voltage VO 12.5V < VI < VMAX (Note2) 1mA < IO < 70mA TJ = 25 C TJ =125 C 12.5 < VI < 25V 1mA < IO < 40mA TA = 25 C, 10Hz < f < 100KHz IO = 5mA f = 120Hz, 15V < VI < 25V, TJ = 25 C TJ = 25 C Conditions Min. 9.6 9.5 9.5 38 Typ. 10.0 100 100 20 10 4.2 74 0.95 43 1.7 Max. 10.4 220 170 94 47 10.5 10.5 6.0 6.5 1.5 0.1 V Unit V mV mV mV mV
Load Regulation
Quiescent Current Quiescent Current Change Output Noise Voltage Temperature Coefficient of VO Ripple Rejection Dropout Voltage with line with load
IQ IQ IQ VN VO/T RR VD
mA mA mA V mV/ C dB V
Notes: 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 0.75W.
6
KA78LXXA
Electrical Characteristics(KA78L12A)
(VI = 19V, IO = 40mA, 0 C TJ 125 C, CI = 0.33 F, CO = 0.1F, unless otherwise specified. (Note 1) Parameter Output Voltage Line Regulation Symbol VO VO VO TJ = 25 C TJ = 25 C TJ = 25 C 14.5V VI 27V 16V VI 27V 1mA IO 100mA 1mA IO 40mA 14.5V VI 27V 1mA IO 40mA Output Voltage Quiescent Current Quiescent Current Change Output Noise Voltage Temperature Coefficient of VO Ripple Rejection Dropout Voltage with line with load VO IQ IQ IQ VN VO/T RR VD 14.5V VI VMAX (Note 2) TJ = 25 C 16V VI 27V 1mA IO 40mA TA = 25 C, 10Hz f 100KHz
IO = 5mA
Conditions
Min. 11.5 11.4 11.4 37 -
Typ. 12 20 15 20 10 2.1 80 -1.0 65 1.7
Max. 12.5 250 200 100 50 12.6 12.6 6.0 1.5 0.1 -
Unit V mV mV mV mV V V mA mA mA V mV/ C dB V
Load Regulation
1mA IO 70mA
f = 120Hz, 15V VI 25V, TJ = 25 C TJ = 25 C
Notes: 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 0.75W.
7
KA78LXXA
Electrical Characteristics(KA78L15A)
(VI = 23V, IO = 40mA, 0 C TJ 125 C, CI = 0.33 F, CO = 0.1F, unless otherwise specified. (Note 1) Parameter Output Voltage Line Regulation Symbol VO VO VO TJ = 25 C TJ = 25 C TJ = 25 C 17.5V VI 30V Output Voltage Quiescent Current Quiescent Current Change with line with load VO IQ IQ IQ VN RR VD 17.5V VI VMAX (Note 2) TJ = 25 C 20V VI 30V 1mA IO 40mA TA = 25 C, 10Hz f 100KHz IO = 5mA f = 120Hz, 18.5V VI 28.5V, TJ = 25 C TJ = 25 C 17.5V VI 30V 20V VI 30V 1mA IO 100mA 1mA IO 40mA 1mA IO 40mA 1mA IO 70mA Conditions Min. 14.4 14.25 14.25 34 Typ. Max. 15 25 20 25 12 2.1 90 -1.3 60 1.7 15.6 300 250 150 75 15.75 15.75 6.0 1.5 0.1 Unit V mV mV mV mV V V mA mA mA V mV/ C dB V
Load Regulation
Output Noise Voltage Ripple Rejection Dropout Voltage
Temperature Coefficient of VO VO/T
Notes: 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 0.75W.
8
KA78LXXA
Electrical Characteristics(KA78L18A)
(VI = 27V, IO = 40mA, 0 C TJ 125 C, CI = 0.33 F, CO = 0.1F, unless otherwise specified. (Note 1) Parameter Output Voltage Line Regulation Symbol VO VO VO TJ = 25 C TJ = 25 C TJ = 25 C 21V VI 33V Output Voltage Quiescent Current Quiescent Current Change Output Noise Voltage Temperature Coefficient of VO Ripple Rejection Dropout Voltage with line with load VO IQ IQ IQ VN VO/T RR VD 21V VI VMAX (Note 2) TJ = 25 C 21V VI 33V 1mA IO 40mA TA = 25 C, 10Hz f 100KHz IO = 5mA f = 120Hz, 23V VI 33V, TJ = 25 C TJ = 25 C 21V VI 33V 22V VI 33V 1mA IO100mA 1mA IO 40mA 1mA IO 40mA 1mA IO 70mA Conditions Min. 17.3 17.1 17.1 34 Typ. 18 145 135 30 15 2.2 150 -1.8 48 1.7 Max. 18.7 300 250 170 85 18.9 18.9 6.0 1.5 0.1 Unit V mV mV mV mV V V mA mA mA V mV/ C dB V
Load Regulation
Notes: 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 0.75W.
9
KA78LXXA
Electrical Characteristics(KA78L24A)
(VI = 33V, IO = 40mA, 0 C TJ 125 C, CI = 0.33 F, CO = 0.1F, unless otherwise specified. (Note 1) Parameter Output Voltage Line Regulation Symbol VO VO VO TJ = 25 C TJ = 25 C TJ = 25 C 27V VI 38V Output Voltage Quiescent Current Quiescent Current Change Output Noise Voltage Temperature Coefficient of VO Ripple Rejection Dropout Voltage with line with load VO IQ IQ IQ VN VO/T RR VD 27V VI VMAX (Note 2) TJ = 25 C 28V VI 38V 1mA IO 40mA TA = 25 C, 10Hz f 100KHz IO = 5mA f = 120Hz, 28V VI 38V, TJ = 25 C TJ = 25 C 27V VI 38V 28V VI 38V 1mA IO 100mA 1mA IO 40mA 1mA IO 40mA 1mA IO 70mA Conditions Min. 23 22.8 22.8 34 Typ. 24 160 150 40 20 2.2 200 -2.0 45 1.7 Max. 25 300 250 200 100 25.2 25.2 6.0 1.5 0.1 Unit V mV mV mV mV V V mA mA mA V mV/ C dB V
Load Regulation
Notes: 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 0.75W.
10
KA78LXXA
Typical Application
3(8) INPUT C1 0.33 F NOTE 2
KA78LXXA NOTE 1 2(2,3,6,7)
1(1)
OUTPUT 0. 1 F NOTE 2
'( )' : 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
11
KA78LXXA
Mechanical Dimensions
Package
TO-92
4.58 -0.15
+0.25
14.47 0.40
0.46 0.10
4.58 0.20
1.27TYP [1.27 0.20] 3.60 0.20
1.27TYP [1.27 0.20]
0.38 -0.05
+0.10
3.86MAX
1.02 0.10
0.38 -0.05
+0.10
(R2.29)
12
(0.25)
KA78LXXA
Mechanical Dimensions(Continued)
Package
8-SOP
MIN 1.55 0.20 0.061 0.008 0.1~0.25 0.004~0.001
#1
#8 4.92 0.20 0.194 0.008 5.13 MAX 0.202
( #4 #5 6.00 0.30 0.236 0.012
+0.10 0.15 -0.05 +0.004 0.006 -0.002
0.56 ) 0.022 1.80 MAX 0.071 MAX0.10 MAX0.004 3.95 0.20 0.156 0.008 5.72 0.225 0.50 0.20 0.020 0.008
0~
8
1.27 0.050
0.41 0.10 0.016 0.004
13
KA78LXXA
Ordering Information
Product Number KA78L05AZ KA78L06AZ KA78L08AZ KA78L09AZ KA78L10AZ KA78L12AZ KA78L15AZ KA78L18AZ KA78L24AZ KA78L05AD KA78L08AD KA78L12AD KA78L24AD 8 SOP 0 ~ + 125 C TO-92 Package Operating Temperature
14
KA78LXXA
15
KA78LXXA
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 INTERNATIONAL. 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.
www.fairchildsemi.com 7/13/00 0.0m 001 Stock#DSxxxxxxxx 2000 Fairchild Semiconductor International
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.

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