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79L05 D D D D D D 3-Terminal Regulators Output Current Up to 100 mA No External Components Required Internal Thermal-Overload Protection Internal Short-Circuit Current Limiting Direct Replacement for Motorola MC79L00 Series Negative-Voltage Regulators OUTPUT INPUT COMMON C I O TO-92 79L05ACZ description This series of fixed negative-voltage integrated-circuit SOT-89 voltage regulators is designed for a wide range of COMMON INPUT OUTPUT 79L05CPK applications. These include on-card regulation for elimination of noise and distribution problems associated with single-point regulation. In addition, they can be used to control series pass elements to make high-current voltage-regulator circuits. One of these regulators can deliver up to 100 mA of output current. The internal current-limiting and thermal-shutdown features make them essentially immune to overload. When used as a replacement for a zener-diode and resistor combination, these devices can provide ef fective improvement in output impedance of two orders of magnitude, with lower bias current. electrical characteristics at specified virtual junction temperature, VI =-10 V, I = 40 mA (unless otherwise noted) PARAMETER TEST CONDITIONS TJ MIN 25C Output voltage V 7 V t 20 V to I 1 mA to 40 mA At A Io =1mA to 40mA,Vi=-7V to -20V IO = 1 mA to 70 mA VI = -7V to -20V VI = -8V to -20V VI = -8V to -18V f = 120 Hz IO = 1 mA to 100 mA IO = 1 mA to 40 mA f = 10 Hz to 100 kHz Full range Full range 25C 25C 25 C 25C 25C 25 C 25C 25C 25C 125C VI = -8V to -20V IO = 1 mA to 40 mA F ll Full Full range 41 79L05 TYP MAX UNIT -4.8 -4.75 -4.75 -5 -5.2 -5.25 -5.25 150 100 V Input voltage regulation Ripple rejection Output voltage regulation Output noise voltage Dropout voltage 15 49 mV mV dB 20 10 40 1.7 60 30 mV V V mV Biasccurrent Bias current rrent Bias current change 6 5.5 1.5 0.1 mA mA mA mA Pulse-testing techniques maintain TJ as close to TA as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33-F capacitor across the input and a 0.1-F capacitor across the output. Full range for the 7 9L05 is T = 0C to 70C J 3-1 Wing Shing Computer Components Co., (H.K.)Ltd. Homepage: http://www.wingshing.com Tel:(852)2341 9276 Fax:(852)2797 8153 E-mail: wsccltd@hkstar.com WS 79L05 equivalent schematic COMMON OUTPUT INPUT absolute maximum ratings over operating free-air temperature range (unless otherwise noted) Input voltage: 79L05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -30V 150 C Operating free-air, case, or virtual junction temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lead temperature 1.6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260C Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65C to 150C recommended operating conditions 79L05 Input voltage, VI Output current, IO Operating virtual junction temperature, TJ 0 MIN -7 MAX - 20 UNIT V mA C 100 70 3-2 WS 79L05 Pad Location WS79L00 3 2 90m 1 90m chip size 1.15 x 1.35mm Pad Location Coordinates Pad N 1 2 3 Pad Name Ground Input Output X(m) 1150 115 115 Y(m) 115 690 950 3-3 |
Price & Availability of 79L05 |
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