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78MXX LINEAR INTEGRATED CIRCUIT
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3-TERMINAL 0.5A POSITIVE
VOLTAGE REGULATOR
DESCRIPTION
The Contek78MXX family is monolithic fixed
voltage regulator integrated circuit. They are suitable
for applications that required supply current up to
0.5 A.
FEATURES
*Output current up to 0.5 A
*Fixed output voltage of 5V, 6V, 8V, 9V, 12V,
15V ,18V and 24V available
*Thermal overload shutdown protection
*Short circuit current limiting
*Output transistor SOA protection
TO-220
TO-126
1
1
1:Input 2:GND 3:Output
TEST CIRCUIT
SERIES
PASS
ELEMENT
CURRENT
GENERATOR
SOA
PROTECTION
STARTING
CIRCUIT
REFERENCE
VOLTAGE
ERROR
AMPLIFIER
THERMAL
PROTECTION
INPUT
1
OUTPUT
3
GND
2
R20
R19
REFERENCE
VOLTAGE
Contek
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
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78MXX LINEAR INTEGRATED CIRCUIT
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ABSOLUTE MAXIMUM RATINGS
( Operating temperature range applies unless otherwise specified )
PARAMETER SYMBOL VALUE UNIT
Input voltage (for Vo=5~18V)
(for Vo=24V)
VI
VI
35
40
V
V
Output Current I o 0.5 A
Power Dissipation PD Internally Limited W
Operating Junction Temperature Range
TOPR 0 +125 C
Storage Temperature Range
T
STG
-65 +150 C
Contek78M05 ELECTRICAL CHARACTERISTICS
(Refer to the test circuits, Tmin<=Tj<=125 C,Io=350mA,Vi=10V,unless otherwise specified,Ci=0.33uF,Co=0.1uF)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Tj=25 C, 4.8 5.0 5.2 V
Output Voltage Vo
Io=5mA to 350mA
Vi =7 to 20V
4.75 5 5.25 V
Load Regulation DVo Tj=25 C,Io=5mA-0.5A 100 mV
Tj=25 C,Io=5mA-200mA 50 mV
Line regulation DVo Vi =7 to 25V,Tj=25 C,Io=2A 100 mV
Vi =8 to 25V,Tj=25 C,Io=2A 50 mV
Quiescent Current Iq Tj=25 C 4.0 6.0 mA
Quiescent Current Change DIq Vi =8 to 25V,Io=200mA 0.8 mA
DIq Io=5mA-350mA 0.5 mA
Output Noise Voltage VN 10Hz<=f<=100KHz 40 uV
Ripple Rejection RR Vi =8 to 18V,f=120Hz
Io=300mA
62 dB
Peak Output Current IPK Tj=25 C 700 mA
Short-Circuit Current ISC Vi=35V, Tj=25 C 300 mA
Dropout Voltage Vd Tj=25 C,Io=500mA 2.0 V
Contek78M06 ELECTRICAL CHARACTERISTICS
(Refer to the test circuits, Tmin<=Tj<=125 C,Io=350mA,Vi=11V,unless otherwise specified,Ci=0.33uF,Co=0.1uF)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Tj=25 C, Io=5-350mA 5.75 6.0 6.25 V
Output Voltage Vo
VI =8 to 21V,
Io=5mA-350mA
5.7 6.0 6.3 V
Load Regulation DVo Tj=25 C,Io=5mA-0.5A 120 mV
Tj=25 C,Io=5mA-200mA 60 mV
Line regulation DVo Vi =8V to 25V,Tj=25 C,Io=2A 100 mV
Vi =9V to 25V,Tj=25 C,Io=2A 50 mV
Quiescent Current Iq Tj=25 C 4.0 6 mA
DIq Io=5mA to 350mA 0.5 mA
Quiescent Current Change DIq Vi =9V to 25V,Io=200mA 0.8 mA
Output Noise Voltage VN 10Hz<=f<=100kHz 45 uV
CONTEK
Contek Microelectronics Co.,Ltd.
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78MXX LINEAR INTEGRATED CIRCUIT
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PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Ripple Rejection RR Vi =9V to 19V,f=120Hz,Tj=25 C
Io=300mA
59 dB
Peak Output Current IPK Tj=25 C 700 mA
Short-Circuit Current ISC Vi=35V, Tj=25 C 300 mA
Dropout Voltage Vd Tj=25 C 2.0 V
Contek 78M08 ELECTRICAL CHARACTERISTICS
(Refer to the test circuits, Tmin<=Tj<=125 C,Io=350mA,Vi=14V,unless otherwise specified,Ci=0.33uF,Co=0.1uF)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Tj=25 C 7.7 8.0 8.3 V
Output Voltage Vo
Vi =10.5V to 23V,
Io=5mA-350mA
7.6 8.0 8.4 V
Load Regulation DVo Tj=25 C,Io=5mA-0.5A 160 mV
Tj=25 C,Io=5mA-200mA 80 mV
Line regulation DVo Vi =10.5V to 25V
Tj=25 C,Io=2A
100 mV
Vi =11V to 25V
Tj=25 C,Io=2A
50 mV
Quiescent Current Iq Tj=25 C 4.0 6 mA
Quiescent Current Change DIq Vi =10.5V to 25V,Io=200mA 0.8 mA
DIq Io=5mA to 350mA 0.5 mA
Output Noise Voltage VN 10Hz<=f<=100KHz 52 uV
Ripple Rejection RR Vi =11.5V to 21.5V,
f=120Hz,Io=300mA
56 dB
Peak Output Current IPK Tj=25 C 700 mA
Short-Circuit Current ISC Vi=35V, Tj=25 C 300 mA
Dropout Voltage Vd Tj=25 C,Io=500mA 2.0 V
Contek 78M09 ELECTRICAL CHARACTERISTICS
(Refer to the test circuits, Tmin<=Tj<=125 C,Io=350mA,Vi=17V,unless otherwise specified,Ci=0.33uF,Co=0.1uF)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Tj=25 C 8.64 9 9.36 V
Output Voltage Vo
Vi =12.5V to 25V,
Io=5mA-350mA
8.55 9 9.45 V
Load Regulation DVo Tj=25 C,Io=5mA-0.5A 200 mV
Tj=25 C,Io=5mA-200mA 100 mV
Line regulation DVo Vi =12.5V to 25 V
Tj=25 C,Io=2A
100 mV
Vi =13V to 25V
Tj=25 C,Io=2A
50 mV
Quiescent Current Iq Tj=25 C 4.1 6 mA
Quiescent Current Change DIq Vi =12.5V to 25V,Io=200mA 0.8 mA
DIq Io=5mA-350mA 0.5 mA
Output Noise Voltage VN 10Hz<=f<=100kHz 65 uV
Ripple Rejection RR Vi =13V to 23V,f=120Hz
Io=300mA
55 dB
Peak Output Current IPK Tj=25 C 700 mA
Short-Circuit Current ISC Vi=35V, Tj=25 C 300 mA
Dropout Voltage Vd Tj=25 C,Io=500mA 2.0 V
CONTEK
Contek Microelectronics Co.,Ltd.
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78MXX LINEAR INTEGRATED CIRCUIT
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Contek78M12 ELECTRICAL CHARACTERISTICS
(Refer to the test circuits, Tmin<=Tj<=125 C,Io=350mA,Vi=19V,unless otherwise specified,Ci=0.33uF,Co=0.1uF)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Tj=25 C 11.5 12.0 12.5 V
Output Voltage Vo
Vi =14.5V to 27V,
Io=5mA-350mA
11.4 12.0 12.6 V
Load Regulation DVo Tj=25 C,IO=5mA-0.5A 240 mV
Tj=25 C,IO=5mA-2A 120 mV
Line regulation DVo Vi =14.5V to 30V
Tj=25 C,Io=2A
100 mV
Vi =16V to 30V
Tj=25 C,Io=2A
50 mV
Quiescent Current Iq Tj=25 C 4.1 6.0 mA
Quiescent Current Change DIq Vi =14.5V to 30V,Io=200mA 0.8 mA
DIq Io=5mA-350mA 0.5 mA
Output Noise Voltage VN 10Hz<=f<=100kHz 75 uV
Ripple Rejection RR Vi =15V to 25V,f=120Hz
Io=300mA
55 dB
Peak Output Current IPK Tj=25 C 700 mA
Short-Circuit Current ISC Vi=35V, Tj=25 C 300 mA
Dropout Voltage Vd Tj=25 C,Io=500mA 2.0 V
Contek78M15 ELECTRICAL CHARACTERISTICS
(Refer to the test circuits, Tmin<=Tj<=125 C,Io=350mA,Vi=23V,unless otherwise specified,Ci=0.33uF,Co=0.1uF)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Tj=25 C 14.4 15.0 15.6 V
Output Voltage Vo
Vi =17.5V to 30V,
Io=5mA-350mA
14.25 15.0 15.75 V
Load Regulation DVo Tj=25 C,Io=5mA-0.5A 300 mV
Tj=25 C,Io=5mA-200mA 150 mV
Line regulation DVo Vi =17.5V to 30V
Tj=25 C, Io =2A
100 mV
Vi =20V to 30V
Tj=25 C, Io =2A
50 mV
Quiescent Current Iq Tj=25 C 4.1 6.0 mA
Quiescent Current Change DIq Vi =17.5V to 30V,Io=200mA 0.8 mA
DIq Io=5mA-350mA 0.5 mA
Output Noise Voltage VN 10Hz<=f<=100KHz 90 uV
Ripple Rejection RR Vi =18.5V to 28.5V
f=120Hz,Io=300mA
54 dB
Peak Output Current IPK Tj=25 C 700 mA
Short-Circuit Current ISC Vi=35V, Tj=25 C 300 mA
Dropout Voltage Vd Tj=25 C,Io=500mA 2.0 V
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
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78MXX LINEAR INTEGRATED CIRCUIT
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Contek78M18 ELECTRICAL CHARACTERISTICS
(Refer to the test circuits, Tmin<=Tj<=125 C,Io=350mA,Vi=26V,unless otherwise specified,Ci=0.33uF,Co=0.1uF)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Tj=25 C 17.3 18.0 18.7 V
Output Voltage Vo
Vi =20.5V to 33V
Io=5mA-350mA
17.1 18.0 18.9 V
Load Regulation DVo Tj=25 C,Io=5mA-0.5A 360 mV
Tj=25 C,Io=5mA-200mA 180 mV
Line regulation DVo Vi =21V to 33V
Tj=25 C, Io =2A
100 mV
Vi =24V to 33V,
Tj=25 C, Io =2A
50 mV
Quiescent Current Iq Tj=25 C 4.2 6 mA
Quiescent Current Change DIq Vi =21V to 33V, Io =200mA 0.8 mA
DIq Io=5mA-350mA 0.5 mA
Output Noise Voltage VN 10HzM<=f<=100KHz 100 uV
Ripple Rejection RR Vi =22V to 32V,f=120Hz
Io =300mA
53 dB
Peak Output Current IPK Tj=25 C 700 mA
Short-Circuit Current ISC Vi=35V, Tj=25 C 300 mA
Dropout Voltage Vd Tj=25 C 2.0 V
Contek78M24 ELECTRICAL CHARACTERISTICS
(Refer to the test circuits, Tmin<=Tj<=125 C,Io=350mA,Vi=33V,unless otherwise specified,Ci=0.33uF,Co=0.1uF)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Tj=25 C 23.0 24.0 25.0 V
Output Voltage Vo
Vi =27V to 38V
Io=5mA-350mA
22.8 24.0 25.2 V
Load Regulation DVo Tj=25 C,Io=5mA-0.5A 480 mV
Tj=25 C,Io=5mA-200mA 240 mV
Line regulation DVo Vi =27V to 38V
Tj=25 C,Io=2A
100 mV
Vi =28V to 38V
Tj=25 C,Io=2A
50 mV
Quiescent Current Iq Tj=25 C, 4.2 6.0 mA
Quiescent Current Change DIq Vi =27V to 38V,Io=200mA 0.8 mA
DIq Io=5mA-350mA 0.5 mA
Output Noise Voltage VN 10Hz<=f<=100KHz 170 uV
Ripple Rejection RR Vi =28V to 38V,f=120Hz
Io=300mA
50 dB
Peak Output Current IPK Tj=25 C 700 mA
Short-Circuit Current ISC Vi=35V, Tj=25 C 300 mA
Dropout Voltage Vd Tj=25 C 2.0 V
Note 1: The Maximum steady state usable output current are dependent on input voltage, heat sinking, lead
length of the package and copper pattern of PCB. The data above represents pulse test conditions with
junction temperatures specified at the initiation of test.
Note 2: Power dissipation<0.5W
CONTEK
Contek Microelectronics Co.,Ltd.
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78MXX LINEAR INTEGRATED CIRCUIT
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APPLICATION CIRCUIT
Contek
78MXX
3
2
1
C0
0.1mF
C1
0.33mF
Vi Vo
Note 1: To specify an output voltage, substitute voltage value for " MXX".
Note 2: Bypass capacitors are recommended for optimum stability and transient response and should be located
as close as possible to the regulators.
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
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