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| Shantou Huashan Electronic Devices Co.,Ltd. H 7908 3-TERMINAL 1A NEGATIVE VOLTAGE REGULATORS The H7908 series of three terminal negative regulators are available in the TO-220 package and with several fixed output voltages, making them useful in a wide range of applications. Each type employs internal current limiting, Thermal shut down and safe area protection, making it essentially indestructible. Features Output current in Excess of 1A Output Voltages of -8V lntemal Thermal Overload Protection Short Circuit Protection Output Transistor Safe-Area Compensation 1D GND 2D INPUT 3D OUTPUT TO-220 Absolute Maximum Ratings Ta=25ae(c) VI R|E R|E JC JA Input Voltage - - - - - - - 5ae 65ae - -35V /W /W Thermal Resistance Junction-Cases- Thermal Resistance Junction-Air- Operating Temperature Range- Storage Temperature Range- - TOPR TSTG 0~125ae -65~150ae 1 Shantou Huashan Electronic Devices Co.,Ltd. H 7908 F,CO=1|I Unit TJ=25ae V IO=5.OmA to 1.0A, POU VI=-11.5V to -23V 15W, F(c) Conditions unless otherwise specified Symbol Parameter 0aeU TJU 125ae ,IO=500mA,VI=14V,CI=2.2|I Min. -7.7 Typ. -8.0 Max. -8.3 VO Output Voltage -7.6 -8.0 -8.4 10 | VO Line Regulation (Note1) 5 12 | VO Load Regulation (Note1) 4 IQ Quiescent Current 3 0.05 | IQ Quiescent Current Change 0.1 | VO/| Output Voltage Drift T VN RR VD ISC IPK Output Noise Voltage Ripple Rejection Dropout Voltage Short Circuit Current Peak Current 54 175 60 2 300 2.2 -0.6 100 mV 80 160 mV 80 6 0.5 mA 1.0 mA TJ=25ae TJ=25ae TJ=25ae TJ=25ae TJ=25ae ,VI=-10.5V to -25V ,VI=-11V to -17V ,IO=5.0mA to 1.5A ,IO=250mA to 750mA IO=5mA to 1.0A VI=-11.5V to -25V mV/ae IO=5mA |I V dB V mA A TA=25ae ,f=10Hz to 100kHz VI =10V f=120Hz, / TJ=25ae TJ=25ae TJ=25ae ,IO=1A, ,VI=-35V, 2 Shantou Huashan Electronic Devices Co.,Ltd. H 7908 3 |
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