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Semtech TS30042
High Efficiency 1A/2A Current-Mode Synchronous Buck Converter, 1MHz
The TS30041 (1A) and TS30042 (2A) are DC/DC synchronous switching regulators with fully integrated power switches, internal compensation, and full fault protection. The switching frequency of 1MHz enables the use of small filter components resulting in minimal board space and reduced BOM costs.
概览
功能
- 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
应用
- On-card switching regulators
- Set-top box, DVD, LCD, LED supply
- Industrial power supplies
封装
- Packaged in a 16 lead QFN package – 3x3mm