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Document overview
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Technical content
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 Unit Input Voltage V I 35 V Thermal Resistance Junction-Cases R θJC 5 OC/W Thermal Resistance Junction-Air R θJA 65 OC/W Operating Temperature Range T OPR 0 to + 125 OC Storage Temperature Range T S - 65 to + 150 OC
Electrical Characteristics
(0 OC < TJ < 125 OC, IO = 500 mA, VI = 15 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 8.65 9 9.35 V 5 mA IO 1 A, PO 15 W VI = 11.5 V to 24 V 8.6 9 9.4 Line Regulation 1) Regline T J = 25 OC VI = 11.5 V to 25 V - - 180 mV VI = 12 V to 17 V - - 90 Load Regulation 1) Regload T J = 25 OC IO = 5 mA to 1.5 A - - 180 mV IO = 250 mA to 750 mA - - 90 Quiescent Current I Q T J = 25 OC - - 8 mA Quiescent Current Change IQ IO = 5 mA to 1 A - - 0.5 mA VI = 12 V to 26 V - - 1.3 Output Voltage Drift VO/T I O = 5 mA - -1 - mV/ OC Output Noise Voltage V N f = 10 Hz to 100 KHz, T A = 25 OC - 58 - µV Ripple Rejection RR f = 120 Hz, V I = 13 V to 23 V 56 - - dB Dropout Voltage V Drop I O = 1 A, TJ = 25 OC - 2 - V Output Resistance R O f = 1 KHz - 15 - m Ω Short Circuit Current I SC V I = 35 V, TA = 25 OC - 250 - mA Peak Current I PK T J = 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
Dated : 17/09/2016 Rev：01 SEMTECH ELECTRONICS LTD. 7809 Typical Performance Characteristics
Dated : 17/09/2016 Rev：01 SEMTECH ELECTRONICS LTD. 7809 TO-220 PACKAGE OUTLINE