SC202A中文资料3.5MHz, 500mA Step-down Regulator With Integrated Inductor and Digital Programmable Output数据手册Semtech规格书

描述 Description

The SC202A is a high efficiency 500mA step-down regulator that includes an integrated inductor inside the package. The input voltage range makes it ideal for battery operated applications with space limitations.

特性 Features

·Input Voltage — 2.9V to 5.5V
·Output Voltage — 0.8V to 3.3V
·Output current capability — 500mA
·Internal inductor
·Programmable output voltages — 15
·High light-load efficiency via automatic PSAVE mode
·Fast transient response
·Temperature range — -40 to +85°C
·Oscillator frequency — 3.5MHz
·100% duty cycle capability
·Quiescent current — 38μA typical
·Shutdown current — 0.1μA typical
·Internal soft-start
·Over-voltage protection
·Current limit and short circuit protection
·Over-temperature protection
·Under-voltage lockout
·Floating control pin protection
·MLPQ-13 — 2.5 x 3.0 x 1.0 (mm) package
·Lead-free and halogen-free
·WEEE and RoHS compliant

应用 Application

·Point of load regulation
·Smart phones and cellular phones
·MP3/personal media players
·Personal navigation devices
·Digital cameras
·Single Li-ion cell or 3 NiMH/NiCd cell devices
·Devices with 3.3V or 5V internal power rails