Renesas Electronics ISL805xx High Performance Low Dropout Voltage Regulator
Der Intersil ISL805xx Hochleistungs-Low-Dropout-Spannungsregler ist ein Low-Dropout-Spannungsregler (LDO) mit einem Einzel-Ausgang, der über eine Quellenkapazität von bis zu 1A Ausgangsstrom verfügt. Die Ausgangsspannung kann von 0,8V bis 5,5V programmiert werden. Ein Submikron-BiCMOS-Prozess liefert eine analoge Leistung und einen Gesamtwert der Spiztenklasse.
A submicron BiCMOS process delivers 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 ISL805x provides an output accuracy of ±1.8% VOUT accuracy overall 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.
Merkmale
- ±1.8% VOUT accuracy guaranteed over line, load and TJ = -40°C to +125°C
- Very low dropout voltage at VOUT = 2.5V:
- ISL80505: 45mV
- ISL80510: 130mV
- Stable with a 4.7μF output ceramic capacitor
- Very fast transient response
- Programmable output soft-start time
- Excellent PSRR over wide frequency range
- Current limit protection
- Thermal shutdown function
- Available in an 8 Ld DFN package
