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STOD1317BTPUR Datasheet(PDF) 1 Page - STMicroelectronics |
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STOD1317BTPUR Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 22 page  This is information on a product in full production. April 2013 DocID022607 Rev 2 1/22 22 STOD1317B 170 mA 13 V, high efficiency boost converter + LDO Datasheet - production data Features Operating input voltage range from 2.6 V to 4.8 V ±1% output voltage tolerance Low output ripple True-shutdown Short-circuit protection Digital low power function Very high efficiency at light load thanks to pulse skipping operation Very fast line and load transients 1.2 MHz switching frequency 1 µA max. quiescent current DFN12L (3 x 3 x 0.8 mm) Applications Single rail AMOLED display Cellular phones Battery powered equipment Description The STOD1317B is a fixed frequency, high efficiency, boost DC-DC converter with cascaded LDO able to provide output voltages ranging from 6 V to 13 V starting with an input voltage from 2.6 V to 4.8 V. The device is designed to supply loads that are very sensitive to output ripple such as AMOLED display panels. A dedicated LDO is able to suppress any ripple and noise coming out from the DC-DC converter. The LDO works with a constant drop in order to maintain high efficiency in the whole operating range. The low RDSon N- channel and P-channel MOSFET switches are integrated and contribute to achieving high efficiency. The true-shutdown feature allows physical disconnection of the battery from the load when the device is in shutdown mode. The control technique is able to maintain efficiency higher than 85% at light loads and higher than 80% at full load. The device includes soft-start control, inrush current limiter, thermal shutdown and inductor peak current limit. The STOD1317B is packaged in DFN12L (3 x 3 x 0.8 mm) height. DFN12L (3 x 3 mm) Table 1. Device summary Order code Marking Package Packaging STOD1317BTPUR 1317B DFN12L (3 x 3 mm) 3000 parts per reel www.st.com |
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