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TPS62231-Q1 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS62231-Q1 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 25 page V IN GND V OUT C2 L1 Totalarea islessthan 12mm² CIN 2.2 µF VIN 2.05 V to 6 V COUT 4.7 µF VOUT 1.8 V L 1 µH or 2.2 µH TPS62231-Q1 VIN EN MODE SW FB GND Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. TPS62231-Q1, TPS622314-Q1 SLVSB63A – DECEMBER 2011 – REVISED MARCH 2016 TPS62231x-Q1 3-MHz Ultra-Small Step-Down Converter in 1 × 1.5 SON Package 1 1 Features 1 • Qualified for Automotive Applications • Up to 3.8-MHz Switch Frequency • Up to 94% Efficiency • Output Peak Current up to 500 mA • Excellent AC and Transient Load Regulation • High PSRR (up to 90 dB) • Small External Output-Filter Components 1 μH and 4.7 μF • VIN range from 2.05 V to 6 V • Optimized Power Save Mode For Low Output- Ripple Voltage • Forced PWM Mode Operation • Typical 22- μA Quiescent Current • 100% Duty Cycle for Lowest Dropout • Small 1 × 1.5 × 0.6-mm3 SON Package • 12-mm2 Minimum Solution Size • Supports 0.6-mm Maximum Solution Height • Soft Start With 100- μs (Typical) Start-Up Time 2 Applications • Advanced Driver-Assistance System (ADAS) – Front Camera, Rear View Camera – Surround View – Blind-Spot Monitoring • Automotive Telematics, eCall, and Tolling • Space-Optimized Automotive and Industrial Power Systems 3 Description The TPS6223x-Q1 device family is a high-frequency, synchronous step-down DC-DC converter ideal for space-optimized automotive and industrial applications. The device supports up to 500-mA output current and allows the use of tiny and low-cost chip inductors and capacitors. With a wide input-voltage range of 2.05 V to 6 V, the device can be powered by a preregulated voltage rail or Li-Ion batteries with extended voltage range. Two different fixed-output voltage versions are available at 1.5 V and 1.8 V. The TPS6223x-Q1 series features switch frequency up to 3.8 MHz. At medium to heavy loads, the converter operates in PWM mode and automatically enters Power Save Mode operation at light load currents to maintain high efficiency over the entire load current range. Because of its excellent PSRR and AC load regulation performance, the device is also suitable to replace linear regulators to obtain better power conversion efficiency. The Power Save Mode in TPS6223x-Q1 reduces the quiescent current consumption down to 22 μA during light load operation. It is optimized to achieve very low output voltage ripple even with small external component and features excellent AC load regulation. For noise-sensitive applications, the device can 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-Q1 is available in a 1-mm × 1.5-mm2 6-pin SON package. Device Information(1) PART NUMBER OUTPUT VOLTAGE FREQUENCY TPS62231-Q1 1.8 V 3 MHz TPS622314-Q1 1.5 V 3 MHz (1) For all available packages, see the orderable addendum at the end of the data sheet. Typical Application Schematic Small PCB Layout Size |
Número de pieza similar - TPS62231-Q1_16 |
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Descripción similar - TPS62231-Q1_16 |
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