TS51221 Datasheet | SEMTECH

High Efficiency Regulator IC for Wireless Power Receiver Applications TRIUNE PRODUCTS 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 5.5V with +/- 1.5% reference - Wide input voltage range: 4.5V to 24V - 1MHz +/- 10% fixed switching frequency - Input under voltage lockout - Full protection for over-current, over-temperature, and - VLo OUw T over-voltage external ponent count Summary Specification - Junction operating temperature -40 °C to 125 °C - Packaged in a 16pin QFN (3x3) Description The TS51221 is a high-efficiency regulator device for lowpower wireless power receiver applications. The switching frequency of 1MHz enables the use of small filter ponents resulting in minimal board space and reduced BOM costs. The TS51221 integrates a wide range of protection circuitry including input supply under-voltage lockout, output voltage soft start, current limit, and thermal shutdown. Applications - Wireless Charging for portable devices - Wear-ables, medical monitors - Bluetooth headsets - Smart watches Typical Application Circuit DC Supply Application Processor TS51231 Application Processor Load TS51221 Final Datasheet April 6, 2015 Transmitter...