SC202中文资料3.5MHz, 500mA Step-down Regulator with Integrated Inductor数据手册Semtech规格书

描述 Description

Not Recommended for New Designs; See SC202A
The SC202 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
• 15 programmable output voltages
• 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 typ
• Shutdown current — 0.1μA typ
• 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 rail