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Semtech SC613
Low-Noise Regulated Charge Pump with Selectable Output
The SC613 is a versatile charge pump designed for use in battery operated power supply applications. The wide input range is matched for Li-Ion battery applications. Only two 1uF ceramic bucket capacitors are required, and the inductorless implementation provides a reduced-EMI solution.
概览
Features
- Small size – MLP micro 10-lead 3 x 3 mm package
- Selectable 5.0 V or 4.5 V output voltage
- 140 mA available with 4.5 V output
- 100 mA available with 5.0 V output
- Short-circuit protection
- Soft start function
- Shutdown current < 2 µA
- Selectable fixed frequencies of 262 kHz and 650 kHz
- Low ripple
- Regulated to ± 5%
- Ease of use
应用
- Cellular phones
- LED photo flash for cellular phones
- LED backlighting
- PDA power supplies
- Portable electronics
- Electronic books
- Wireless web appliances
Packaging
MLPD-10 (3x3x1mm)
Diagrams and Specs
Block Diagram
Click diagram to enlarge