By Renesas 141
The Intersil ISL80505/10 is a single-output low-dropout voltage regulator (LDO) capable of sourcing up to 500 mA or 1 A output current. This LDO operates from input voltages of 1.8 V (ISL80505) or 2.2 V (ISL80510) to 6 V. The output voltage of ISL80505/10 can be programmed from 0.8 V to 5.5 V.
A submicron BiCMOS process is utilized for this product family to deliver the best in class analog performance and overall value. This CMOS LDO consumes significantly lower quiescent current as a function of load compared to bipolar LDOs, which translates into higher efficiency and packages with smaller footprints.
State-of-the-art internal compensation achieves a very fast load transient response and excellent PSRR. The ISL80505/10 provides an output accuracy of ±1.8% VOUT accuracy over all load, line and temperature variation (TJ = -40°C to +125°C). An external capacitor on the soft-start pin provides an adjustable soft starting of the output voltage ramp to control the inrush current. The ENABLE feature allows the part to be placed into a low quiescent current shutdown mode.
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