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LM7809 数据手册 - Contek Microelectronics
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LM7809数据手册
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LM78XX LINEAR INTEGRATED CIRCUIT
5
Contek LM7815 ELECTRICAL CHARACTERISTICS
( VI=23V, Io=0.5A, Tj= 0 C - 125 C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Tj=25 C, IO=5mA - 1.0A 14.4 15.0 15.6 V
Output Voltage Vo
V
I =17.5V to 30V,
I
O=5mA - 1.0A,PD<15W
14.25 15.75 V
Load Regulation DVo Tj=25 C,IO=5mA - 1.5A 150 mV
Tj=25 C,IO=0.25A - 0.75A 75 mV
Line regulation DVo VI =18.5V to 30V,Tj=25 C 150 mV
VI =17.7V to 30V,
Tj=25 C, I
O =1A
150 mV
Quiescent Current Iq Tj=25 C, IO=<1A 8.0 mA
Quiescent Current Change DIq VI =17.5V to 30V 1.0 mA
DIq IO=5mA - 1.0A 0.5 mA
Output Noise Voltage VN 10Hz<=f<=100kHz 90 mV
Temperature coefficient of Vo DVo/ DT Io=5mA -1.8 mV/ C
Ripple Rejection RR VI =18.5V to 28.5V
f=120Hz,Tj=25 C
54 70 dB
Peak Output Current IPK Tj=25 C 1.8 A
Short-Circuit Current ISC VI=35V, Tj=25 C 250 mA
Dropout Voltage Vd Tj=25 C 2.0 V
Contek LM7818 ELECTRICAL CHARACTERISTICS
( VI=27V, Io=0.5A, Tj= 0 C - 125 C, C1=0.33uF, Co=0.1uF, unless otherwise specified )(Note 1)
PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Tj=25 C, IO=5mA - 1.0A 17.3 18.0 18.7 V
Output Voltage Vo
V
I =21V to 33V,I O=5mA - 1.0A 17.1 18.9 V
Load Regulation DVo Tj=25 C,IO=5mA - 1.5A 180 mV
Tj=25 C,IO=0.25A - 0.75A 90 mV
Line regulation DVo VI =21V to 33V,Tj=25 C 180 mV
VI =21V to 33V,
Tj=25 C, I
O =<1A,PD<15W
180 mV
Quiescent Current Iq Tj=25 C, IO=<1A 8.0 mA
Quiescent Current Change DIq VI =21.5V to 33V 1.0 mA
DIq IO=5mA - 1.0A 0.5 mA
Output Noise Voltage VN 10Hz<=f<=100kHz 110 mV
Temperature coefficient of Vo DVo/ DT Io=5mA -2.2 mV/ C
Ripple Rejection RR VI =22V - 32V,f=120Hz,Tj=25 C 53 69 dB
Peak Output Current IPK Tj=25 C 1.8 A
Short-Circuit Current ISC VI=35V, Tj=25 C 250 mA
Dropout Voltage Vd Tj=25 C 2.0 V
CONTEK
Contek Microelectronics Co.,Ltd.
http://www.contek-ic.com E-mail:sales@contek-ic.com
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