Products
Power Management
Semtech SC195
3.5MHz, 500mA Synchronous Step Down DC-DC Regulator
The SC195 is a high efficiency, 500mA step down regulator designed to operate with an input voltage range of 2.9V to 5.5 V. The input voltage range makes it ideal for battery operated applications with space limitations.
Overview
Features
- Input Voltage — 2.9V to 5.5V
- Output Voltage — 0.8V to 3.3V
- Output current capability — 500mA
- Efficiency up to 94%
- 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-UT8 1.5 x 1.5 x 0.6 (mm) package
- Pb free, Halogen free, and RoHS/WEEE compliant
Applications
- 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
Packaging
- MLPQ-UT8
Order Codes
- SC195ULTRT: Lead Free, Halogen Free, RoHS/WEEE Complaint, 3000 pcs, Tape and Reel Only
- SC195EVB: SC195 Evaluation Board
Diagrams and Specs
Block Diagram
Click diagram to enlarge