C chesskin New Member Apr 2, 2007 #1 when i use the 120uH inductor and 470uF capacitor, the output can't provide 80mA.I follow the table 1 of the LT1073 data sheet Attachments LT1073.pdf 253.3 KB · Views: 324
when i use the 120uH inductor and 470uF capacitor, the output can't provide 80mA.I follow the table 1 of the LT1073 data sheet
justDIY Active Member Apr 2, 2007 #2 try a bigger (higher value) inductor, and make sure your inductor has sufficient current handling abilities. if it's going into saturation, that will mess everything up. also make sure you have a lot of capacitance on the input and output.
try a bigger (higher value) inductor, and make sure your inductor has sufficient current handling abilities. if it's going into saturation, that will mess everything up. also make sure you have a lot of capacitance on the input and output.
M mneary New Member Apr 3, 2007 #3 Did you include the 68 ohm resistor from Vin to Ilim? It's important. See page 12 for the location of that resistor. I'm assuming that you're using line 5 of the chart, and your input is a pair of Alkalines. Last edited: Apr 3, 2007
Did you include the 68 ohm resistor from Vin to Ilim? It's important. See page 12 for the location of that resistor. I'm assuming that you're using line 5 of the chart, and your input is a pair of Alkalines.