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TPS82672SIP Fiches technique(PDF) 2 Page - Texas Instruments |
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TPS82672SIP Fiches technique(HTML) 2 Page - Texas Instruments |
2 / 13 page Introduction www.ti.com 1 Introduction The TPS82671, TPS82672, TPS82675, TPS82690 and TPS82695 devices are series of high-frequency, synchronous, step-down dc-dc converters optimized for battery-powered portable applications. Intended for low-power applications, the TPS8267x support up to 600-mA load current and the TPS8269 support up to 500-mA and all allow the use of low-cost chip inductors and capacitors. With a wide input voltage range of 2.3 V to 4.8 V, the devices support applications powered by lithium-ion (Li-Ion) batteries with extended voltage ranges. Different fixed voltage output versions of the TPS826xx are available. These converters operate at a regulated 5.5-MHz (TPS8267x) and 4-MHz (TPS8269x) switching frequency and enter a power-save mode operation under light load currents in order to maintain high efficiency over the entire load current range. A PFM mode extends the battery life by reducing the quiescent current to 17 µA (typ) during light load operation. 1.1 Features • Input voltage range: 2.3 V up to 4.8 V • Fixed output voltages • Up to 600-mA output current (TPS8267x) • Up to 500-mA output current (TPS8269x) • 5.5-MHz regulated frequency operation (TPS8267x) • 4-MHz regulated frequency operation (TPS8269x) • Output capacitor discharge (optional) • Total solution size: < 6.7 mm 2 1.2 Applications • Cell phones, smart phones • WLAN, GPS, and Bluetooth® applications • DTV tuners • Point-of-Load (PoL) applications 1.3 EVM Ordering Options Table 1 provides the ordering information for the various EVM options. Table 1. Ordering Information Maximum Output Orderable EVM Number Device Part Number Output Voltage Current TPS82671EVM-646 TPS82671 1.8 V 600 mA TPS82672EVM-646 TPS82672 1.5 V 600 mA TPS82675EVM-646 TPS82675 1.2 V 600 mA TPS82690EVM-646 TPS82690 2.8 V 500 mA TPS82695EVM-646 TPS82695 2.5 V 500 mA 2 TPS826xxEVM SLVU383D – October 2010 – Revised November 2011 Submit Documentation Feedback Copyright © 2010–2011, Texas Instruments Incorporated |
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