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TS30111-M033 Datasheet(PDF) 1 Page - Semtech Corporation |
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TS30111-M033 Datasheet(HTML) 1 Page - Semtech Corporation |
1 / 21 page TS30111 Final Datasheet Rev 1.0 June 2, 2015 www.semtech.com 1 of 21 Semtech TS30111 TRIUNE PRODUCTS High Efficiency 700mA Current-Mode Synchronous Buck DC/DC Regulator, 1MHz Features • Fixed output voltage choices: 1.5V, 1.8V, 2.5V, 3.3V, and 5V Adjustable version output voltage range: 0.8V to 5V • Wide input voltage range 4.5V to 16V (18V Abs Max) • 1MHz +/- 10% fixed switching frequency • Continuous output current: 700mA • High efficiency – up to 90% • 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 VOUT over-voltage • Less than 10uA in standby mode • Low external component count Summary Specification • Junction operating temperature -40 °C to 125 °C • Packaged in a 16pin QFN (3x3) Description The TS30111 is a DC/DC synchronous switching regulator 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. The TS30111 utilizes current mode feedback in normal regulation PWM mode. When the regulator is placed in standby (EN is low), the device draws less than 10uA quiescent current. The TS30111 integrates a wide range of protection circuitry including input supply under-voltage lockout, output voltage soft start, current limit, and thermal shutdown. The TS30111 includes supervisory reporting through the PG (Power Good) open drain output to interface other components in the system. Applications • On-card switching regulators • Set-top box, DVD, LCD, LED supply • Industrial power supplies Typical Applications VOUT Adjustable Output VSW VCC FB BST VCC PG PG RTOP RBOT 10 kohm (optional) VOUT EN EN CBYPASS CBST LOUT COUT VOUT Fixed Output EN VSW VCC FB VCC EN PG PG 10 kohm (optional) VOUT BST |
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