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7808 Arkusz danych(PDF) 1 Page - SEMTECH ELECTRONICS LTD. |
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7808 Arkusz danych(HTML) 1 Page - SEMTECH ELECTRONICS LTD. |
1 / 3 page Dated:17/09/2016 Rev:02 ® SEMTECH ELECTRONICS LTD. 7808 3-terminal 1 A positive voltage regulator Features • Output Current up to 1 A • Thermal Overload Protection • Short Circuit Protection • Output Transistor Safe Operating Area Protection Absolute Maximum Ratings (Ta = 25 OC) Parameter Symbol Value Units Input Voltage VI 35 V Thermal Resistance Junction-Cases RθJC 5 O C/W Thermal Resistance Junction-Air RθJA 65 O C/W Operating Temperature Range TOPR 0 to +125 O C Storage Temperature Range TS -65 to +150 O C Electrical Characteristics (0 OC < TJ < 125 OC, IO = 500 mA, VI = 14 V, CI = 0.33 µF, CO = 0.1 µF, unless otherwise specified) Parameter Symbol Conditions Min. Typ. Max. Unit Output Voltage VO TJ = + 25 OC 7.7 8 8.3 V 5 mA IO 1 A, PO 15 W VI = 10.5 V to 23 V 7.6 8 8.4 Line Regulation 1) Regline TJ = + 25 OC VI = 10.5 V to 25 V - - 160 mV VI = 11.5 V to 17 V - - 80 Load Regulation 1) Regload TJ = + 25 OC IO = 5 mA to 1.5 A - - 160 mV IO = 250 mA to 750 mA - - 80 Quiescent Current IQ TJ = + 25 OC - - 8 mA Quiescent Current Change IQ IO = 5 mA to 1 A - - 0.5 mA VI = 10.5 V to 25 V - - 1 Output Voltage Drift VO/T IO = 5 mA - -0.8 - mV/OC Output Noise Voltage VN f = 10 Hz to 100 KHz, TA = + 25 OC - 52 - µV Ripple Rejection RR f = 120 Hz, VI = 11.5 V to 21.5 V 56 - - dB Dropout Voltage VDrop IO = 1 A, TJ = + 25 OC - 2 - V Output Resistance RO f = 1 KHz - 17 - mΩ Short Circuit Current ISC VI = 35 V, TA = + 25 OC - 230 - mA Peak Current IPK TJ = + 25 OC - 2.2 - A 1) 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. TO-220 Plastic Package |
Podobny numer części - 7808 |
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Podobny opis - 7808 |
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