Datasheet LT3042 (Analog Devices) - 26

LT3042
TYPICAL APPLICATIONS Paralleling Multiple LT3042s for Higher Output Current
V IN LT3042 LT3042 IN IN 5V ±5% 4.7µF 100µA 100µA – – EN/UV EN/UV + PNP PNP + Q1 Q2 200k PGFB OUT OUT PG 50mΩ OUTS 50mΩ PG OUTS SET ILIM GND PGFB 4.7µF 4.7µF ILIM GND SET 453k 49.9k VOUT = 3.3V IOUT(MAX) = 800mA DROPOUT = 350mV 0.8µV OUTPUT NOISE =  RMS 4 = 0.4µVRMS IN LT3042 LT3042 IN 100µA 100µA – – EN/UV EN/UV + PNP PNP + Q4 Q3 PGFB PGFB OUT OUT PG 50mΩ OUTS 50mΩ PG OUTS SET GND ILIM 4.7µF 4.7µF ILIM GND SET 4.7µF 8.25k 3042 TA10 3042fb 26 For more information www.linear.com/LT3042 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts