Semtech | SC189ASKTRT

The SC189ASKTRT is a part of SC189 series synchronous step-down regulator. It has a operating temperature ranging from -40°C to +125°C and its available in SOT-23-5 package.

The SC189 is a high efficiency, synchronous step-down regulator providing up to 1.5A output current in either an ultra-small 2mm x 2mm, low profile package or a low cost SOT23-5 package. The device requires only three external filter components for a complete step down regulator solution

Features:

• Input Voltage Range — 2.9 to 5.5 V
• Output Voltage Range — 0.8V to 3.3 V
• Output Current — up to 1.5 A
• Ultra-Small Footprint — <1mm Height Solution
• Switching Frequency — 2.5 MHz
• Efficiency Up to 93%
• Low Output Noise Across Load Range
• Excellent Transient Response
• Start Up into Pre-Bias Output
• 100% Duty-Cycle Low Dropout Operation
• <1μA Shutdown Current
• Internal Soft Start
• Input Under-Voltage Lockout
• Output Over-Voltage, Current Limit Protection
• Over-Temperature Protection
• Adjustable Output Voltage

Application:

• Bluetooth Radios
• DSC and PMPs
• GPS Devices
• xDSL Systems
• POL Regulators
• Portable HDD
• Wireless LAN