LT1108-5 データシート PDF

LT1108 Micropower DC, DC Converter Adjustable and Fixed 5V, 12V FEATURES s s s s s s s s s DESCRIPTIO Operates at Supply Voltages from 2V to 30V Consumes Only 110 A Supply Current Works in Step-Up or Step-Down Mode Only Four External Components Required Low Battery Detector Comparator On-Chip Use

LT1999-10, LT1999-20, LT1999-50 High Voltage, Bidirectional Current Sense Amplifier Features nn Buffered Output with 3 Gain Options: 10V, V, 20V, V, 50V, V nn Gain Accuracy: 0.5% Max nn Input Common Mode Voltage Range: 5V to 80V nn AC CMRR > 80dB at 100kH- nn Input Offset Voltage: 1.5mV Max nn 3

FEATURES n 400mV Dropout Voltage n 700mA Output Current n 50μA Quiescent Current n No Protection Diodes Needed n Adjustable Output from 3.8V to 30V n 3.3V and 5V Fixed Output Voltages n Controlled Quiescent Current in Dropout n Shutdown n 16μA Quiescent Current in Shutdown n Stable with 3.3μF Out