78L18 - Wing Shing Computer Components

78L18 Positive-Voltage Regulators

This series of fixed-voltage integrated-circuit voltage regulators is designed for a wide range of applications. These applications include on-card regulation for elimination of noise and distribution problems associated with single-point regulation. In addition, they can be used with power-pass elements to make high-current voltage regulators. One of these .

Features

of these regulators make them essentially immune to overload. When used as a replacement for a zener diode-resistor combination, an effective improvement in output impedance can be obtained, together with lower bias current. INPUT COMMON OUTPUT OUTPUT GND INPUT SOT-89 78L18CPK electrical characteristics at specified virtual junction temperature, VI = 26V, I o 40mA (unless otherwise noted) PARAMETER TEST CONDITIONS TJ‡ MIN 25°C Full range Full range 25°C 25 C 25°C 32 78L18 TYP MAX 18.7 18.9 18.9 360 300 UNIT 17.3 17.1 17.1 18 18 Output voltage IO=1mA to 40MA, V I= 20.5 to 33V IO = 1 m.