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SC221 Datasheet Synchronous Step-down Regulator

Manufacturer: SEMTECH

Overview: SC221 x POWER MANAGEMENT 20MHz, 650mA, X-EMI™-Enabled Synchronous Step-Down.

Datasheet Details

Part number SC221
Manufacturer SEMTECH
File Size 846.73 KB
Description Synchronous Step-Down Regulator
Datasheet SC221-Semtech.pdf

General Description

„„ Patented X-EMITM Inductor Technology „„ Enables Trace Inductors in PC Board Material „„ Excellent EMI Performance „„ Efficiency up to 90% „„ 17.5µA Quiescent Current under Very Light Loads „„ Wide Input Voltage Range — 2.7V to 5.5V „„ Adjustable Output Voltage Down to 1.0V „„ Output DC Current — up to 650mA „„ High Light-load Efficiency via Automatic PSAVE Mode „„ Ultra-fast Transient Response — <1µs „„ Temperature Range — -40 to +85°C „„ Shutdown Current — 0.1µA (typical) „„ Requires Tiny 220nH Inductor „„ Requires Only 1μF of Output Capacitance „„ External Switching Frequency Synchronization „„ Protection

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