IL1085

IL1085 www.DataSheet4U.com IC of adjustable voltage regulator of positive polarity with low residual voltage and load current 3 А TO-220 IC IL1084 is a powerful adjustable voltage regulator of positive polarity with low residual voltage and load current 3,2 А. IC of powerful adjustable voltage regulator with low residual voltage lower than 1,5A and reference voltage 1,25 V is purposed for producing constant temperature-stabilized voltage of positive polarity by means of the value set by external resistive divider and used in electronic equipment as a source of stabilized supply. Properties: 1 2 3 Вывод 1. Регулировка 2. Выход 3. Вход Reference voltage 1,25V Output current up to 3,2 A Input-output voltage difference, UIN - UO up to 30 V Residual voltage lower than 1,5 V Overload protection Embedded temperature protection Operation range of chip temperature from 0 up to +125°С. Table 1 – Description of regulator IC pins in 3-pin package ТО-220 Pin No. Description Name 01 Adjustment Adjust 02 Output Output 03 Input Input 1 IL1085 www.DataSheet4U.com D1 Input Output 02 R1 IAdj Co UO UIN 03 IL1085 01 Adjust Cin R2 С1, С2 – smoothing capacitors, C1=10 mkF, С2=100 mkF (Ta), D1 - IC R1, R2 - resistors, R1=121 Ом ± 1%, R2 – adjusted with accuracy 1%. Output voltage Uo, V, is defined by formula:: U O = U ref (1 + R2 ) + I Adj R 2 , R1 Where U ref - reference voltage, V, I Adj - adjustment current, mkA. Since IADJ has values not more than 120 mkA, in...