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TPS62232 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS62232 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 36 page V IN GND V OUT C2 L1 Totalarea 12mm² 1.8V V OUT 2.05V-6V V IN 2.2 F m C IN L 1/2.2 H m C 4.7 F OUT m TPS62231 VIN EN MODE SW FB GND TPS62230, TPS62231, TPS62232, TPS62233, TPS62234, TPS62235, TPS62236 TPS62237, TPS62238, TPS62239, TPS622310, TPS622311, TPS622312 TPS622313, TPS622314, TPS622315, TPS622316, TPS622317, TPS622318 www.ti.com SLVS941E – APRIL 2009 – REVISED DECEMBER 2010 2 MHz / 3 MHz Ultra Small Step Down Converter in 1x1.5 SON Package 1 FEATURES DESCRIPTION • 2 MHz / 3 MHz Switch Frequency The TPS6223X device family is a high frequency • Up to 94% Efficiency synchronous step down DC-DC converter optimized • Output Peak Current up to 500mA for battery powered portable applications. It supports up to 500mA output current and allows the use of tiny • Excellent AC and Transient Load Regulation and low cost chip inductors and capacitors. • High PSRR (up to 90dB) With a wide input voltage range of 2.05V to 6V the • Small External Output Filter Components 1 μH/ device supports applications powered by Li-Ion 4.7 μF batteries with extended voltage range. The minimum • VIN range from 2.05V to 6V input voltage of 2.05V allows as well the operation • Optimized Power Save Mode For Low Output from Li-primary or two alkaline batteries. Different Ripple Voltage fixed output voltage versions are available from 1.0V to 3.3V. • Forced PWM Mode Operation The TPS6223X series features switch frequency up • Typ. 22 μA Quiescent Current to 3.8MHz. At medium to heavy loads, the converter • 100% Duty Cycle for Lowest Dropout operates in PWM mode and automatically enters • Small 1 × 1.5 × 0.6mm3 SON Package Power Save Mode operation at light load currents to • 12 mm2 Minimum Solution Size maintain high efficiency over the entire load current range. • Supports 0.6 mm Maximum Solution Height Because of its excellent PSRR and AC load • Soft Start with typ. 100 μs Start Up Time regulation performance, the device is also suitable to replace linear regulators to obtain better power APPLICATIONS conversion efficiency. • LDO Replacement The Power Save Mode in TPS6223X reduces the • Portable Audio, Portable Media quiescent current consumption down to 22 μA during • Cell Phones light load operation. It is optimized to achieve very low output voltage ripple even with small external • Low Power Wireless component and features excellent ac load regulation. • Low Power DSP Core Supply For very noise sensitive applications, the device can • Digital Cameras be forced to PWM Mode operation over the entire load range by pulling the MODE pin high. In the shutdown mode, the current consumption is reduced to less than 1 μA. The TPS6223X is available in a 1 × 1.5mm2 6 pin SON package. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2009–2010, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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