Semtech SC190
Synchronous Buck Converter with Programmable Output

Not recommended for new designs.
Overview
Features
- Less than 1mV Supply Ripple
- Output Voltage Regulated by Either the Switching Regulator or Linear Regulator
- Dynamic Handover Between Linear and Switching Regulator for Maximum Efficiency
- 2.7V to 5.5V Input Range
- 300mA Guaranteed Output Current
- 10µA quiescent current at light loads
- Fixed Frequency 1MHz Operation or 750kHz to 1.5MHz Clocked Operation
- No Schottky Diode Required
- Up to 95% Efficiency (VIN=BP)
- Over-current Protection
- Over-voltage Protection
- Over-temperature Protection
- Soft Start
- Low Output Noise < 100µVrms
- MLP-10, 3 x 3mm Lead-frame, Lead-free Package
Applications
- Cell Phones
- Cordless Phones
- Notebook and Subnotebook Computers
- PDAs and Mobile Communicators
- WLAN Peripherals
- 1 Li-Ion or 3 NiMH/NiCd Powered Devices
Packaging
- MLP-10
Order Codes
- SC190AIMLTRT: Lead-free, RoHS and WEEE compliant, 3000 pcs. Tape & Reel
- SC190BIMLTRT: Lead-free, RoHS and WEEE compliant, 3000 pcs. Tape & Reel
- SC190CIMLTRT: Lead-free, RoHS and WEEE compliant, 3000 pcs. Tape & Reel
- SC190DIMLTRT: Lead-free, RoHS and WEEE compliant, 3000 pcs. Tape & Reel