CNTK 78M24, 78M18, 78M15, 78M12, 78M09 Datasheet
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78MXX LINEAR INTEGRATED CIRCUIT
1
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
78MXX LINEAR INTEGRATED CIRCUIT
2
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.
http://www.contek-ic.com E-mail:sales@contek-ic.com
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