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SN7912D Datasheet(PDF) 6 Page - KODENSHI_AUK CORP. |
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SN7912D Datasheet(HTML) 6 Page - KODENSHI_AUK CORP. |
6 / 17 page KSD-I0O011-002 6 Jan. 2011 REV. 02 ( VIN=-14V, CIN = 2.2uF, COUT = 1.0uF, IOUT = 500mA, TJ=0 ~125 ℃℃ ; unless otherwise specified ) Characteristic Symbol Test Condition* SN7908x Unit Min. Typ. Max. Output Voltage** VO TJ =25℃ -7.7 -8.0 -8.3 V -10.5V ≤ VIN ≤- 23.0V 5.0mA ≤ IO ≤ 1.0A, PD ≤ 15W -7.6 -8.0 -8.4 Line Regulation VO(△VI) -10.5V ≤ VIN ≤ -25.0V TJ =25℃ - 10 160 mV -11V ≤ VIN ≤ -17V - 5.0 80 Load Regulation VO(△IL) 5.0mA ≤ IO ≤ 1.5A TJ =25℃ - 12 160 mV 250mA ≤ IO ≤ 750mA - 4.0 80 Quiescent Current IQC TJ =25℃ - 3.0 6.0 mA Quiescent Current Change ∆IQC -10.5V ≤ VIN ≤ -25.0V - 0.1 1.0 mA 5.0mA ≤ IO ≤ 1.0A - 0.05 0.5 Ripple Rejection RR -11.5V ≤ VIN ≤ -21.5V f=120Hz 54 60 - dB Dropout Voltage VDROP IO=1.0A TJ =25℃ - 2.0 - V Output Noise Voltage VN 10Hz ≤ f ≤ 100kHz TA =25℃ - 175 - uV/ VO Short Circuit Current ISC VI =-35V TA =25℃ - 300 - mA Peak Output Current IPK TJ =25℃ - 2.2 - A Temperature coefficient of Output voltage △VO/ △Temp IO=5.0mA - -0.6 - mV/ °C * Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into separately. ** This specification applies only for dc power dissipation permitted by absolute maximum ratings. ◈ Electrical characteristics SN79xxx |
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