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MC79XX 数据表(PDF) 2 Page - Fairchild Semiconductor |
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MC79XX 数据表(HTML) 2 Page - Fairchild Semiconductor |
2 / 15 page MC79XX (LM79XX) (KA79XX/A) FIXED VOLTAGE REGULATOR (NEGATIVE) ABSOLUTE MAXIMUM RATINGS (T A=+25 °C, unless otherwise specified) LM7905 ELECTRICAL CHARACTERISTICS (VI = 10V, lO = 500mA, 0 °C ≤T J ≤ +125°C, C I =2.2 µF, C O =1 µF, unless otherwise specified.) * Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used. Characteristic Symbol Value Unit Input Voltage VI -35 V Thermal Resistance Junction-Cases Junction-Air RθJC RθJA 5 65 °C / W °C /W Operating Temperature Range TOPR 0 ~ +125 °C Storage Temperature Range TSTG - 65 ~ +150 °C Characteristic Symbol Test Conditions Min Typ Max Unit TJ =+25 °C - 4.8 - 5.0 - 5.2 Output Voltage VO IO = 5mA to 1A, PO 15W VI = -7 to -20V - 4.75 -5.0 - 5.25 V VI = -7 to -20V IO=1A 5 50 VI = -8 to -12V IO=1A 2 25 VI = -7.5 to -25V 7 50 VI= -8 to -12V IO=1A 7 50 IO = 5mA to 1.5A 10 100 TJ =+25 °C IO = 250 to 750mA 3 50 Quiescent Current IQ TJ =+25 °C 3 6 mA IO = 5mA to 1A 0.05 0.5 VI = -8 to -25V 0.1 0.8 Temperature Coefficient of VD ∆V O/ ∆T IO = 5mA - 0.4 mV/ °C Output Noise Voltage VN f = 10Hz to 100KHz TA =+25 °C 40 µV Ripple Rejection RR f = 120Hz, IO = -35V ∆V I = 10V 54 60 dB Dropout Voltage VD TJ=+25 °C IO = 1A 2 V Short Circuit Current ISC TJ =+25 °C, V I = -35V 300 mA Peak Current IPK TJ =+25 °C 2.2 A Load Regulation ∆V O Line Regulation ∆V O TJ =25 °C mV mV Quiescent Current Change ∆I Q mA |
类似零件编号 - MC79XX |
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类似说明 - MC79XX |
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