Semtech TS30042
High Efficiency 1A/2A Current-Mode Synchronous Buck Converter, 1MHz

Not recommended for new designs.
Overview
Features
- Fixed output voltage choices: 1.5V, 1.8V, 2.5V, 3.3V, and 5V with +/- 2% output tolerance
- Adjustable version output voltage range: 0.9V to (VCC - 1V) with +/- 1.5% reference
- Wide input voltage range: 4.5V to 40V (42V Abs Max)
- 1MHz +/- 10% fixed switching frequency
- Continuous output current: 1A (TS30041), 2A (TS30042)
- High efficiency up to 95%
- Current mode PWM control with PFM mode for improved light load efficiency
- Voltage supervisor for VOUT reported at the PG pin
- Input supply under voltage lockout
- Soft start for controlled startup with no overshoot
- Full protection for over-current, over-temperature, and
- UT over-voltage
- SYNC function on EN/SYNC pin to control switching frequency
- Less than 10uA in standby mode
- Low external component count
Applications
- On-card switching regulators
- Set-top box, DVD, LCD, LED supply
- Industrial power supplies
Packaging
- Packaged in a 16 lead QFN package – 3x3mm