78M05 查看數據表（PDF） - Contek Microelectronics
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78M05 Datasheet PDF : 6 Pages
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78MXX
LINEAR INTEGRATED CIRCUIT
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
17.1 18.0 18.9 V
Io=5mA-350mA
Load Regulation
DVo Tj=25 C,Io=5mA-0.5A
360 mV
Line regulation
Tj=25 C,Io=5mA-200mA
DVo Vi =21V to 33V
Tj=25 C, Io =2A
180 mV
100 mV
Quiescent Current
Vi =24V to 33V,
Tj=25 C, Io =2A
Iq
Tj=25 C
50 mV
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
53
dB
Io =300mA
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
22.8 24.0 25.2 V
Io=5mA-350mA
Load Regulation
DVo Tj=25 C,Io=5mA-0.5A
Tj=25 C,Io=5mA-200mA
480 mV
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
Ripple Rejection
VN
10Hz<=f<=100KHz
170
uV
RR
Vi =28V to 38V,f=120Hz
50
dB
Io=300mA
Peak Output Current
IPK
Tj=25 C
700
mA
Short-Circuit Current
Dropout Voltage
ISC
Vi=35V, Tj=25 C
Vd
Tj=25 C
300
mA
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 Microelectronics Co.,Ltd.
5
CONTEK
http://www.contek-ic.com E-mail:sales@contek-ic.com
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