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TPS53353 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS53353 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 37 page UDG-11047 TPS53353 1 2 3 4 5 6 7 8 9 10 11 22 21 20 19 18 17 16 15 14 13 12 VOUT VREG GND EN PGOOD VVDD VIN Product Folder Sample & Buy Technical Documents Tools & Software Support & Community 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. TPS53353 SLUSAK2C – AUGUST 2011 – REVISED FEBRUARY 2016 TPS53353 High-Efficiency 20-A Synchronous Buck SWIFT™ Converter With Eco-mode™ 1 1 Features 1 • Conversion Input Voltage Range: 1.5 V to 15 V • VDD Input Voltage Range: 4.5 V to 25 V • 92% Efficiency From 12 V to 1.5 V at 20 A • Output Voltage Range: 0.6 V to 5.5 V • 5-V LDO Output • Supports Single-Rail Input • Integrated Power MOSFETs With 20 A of Continuous Output Current • Auto-Skip Eco-mode™ for Light-Load Efficiency • < 10- μA Shutdown Current • D-CAP™ Mode With Fast Transient Response • Selectable Switching Frequency From 250 kHz to 1 MHz With External Resistor • Selectable Auto-Skip or PWM-Only Operation • Built-in 1% 0.6-V Reference. • 0.7-ms, 1.4-ms, 2.8-ms and 5.6-ms Selectable Internal Voltage Servo Soft-Start • Integrated Boost Switch • Precharged Start-up Capability • Adjustable Overcurrent Limit With Thermal Compensation • Overvoltage, Undervoltage, UVLO and Overtemperature Protection • Supports All Ceramic Output Capacitors • Open-Drain Power-Good Indication • Incorporates NexFET™ Power Block Technology • 22-Pin QFN Package With PowerPAD™ • For SWIFT™ Power Products Documentation, see http://www.ti.com/swift 2 Applications • Server/Storage • Workstations and Desktops • Telecommunications Infrastructure 3 Description TPS53353 is a D-CAP™ mode, 20-A synchronous switcher with integrated MOSFETs. It is designed for ease of use, low external component count, and space-conscious power systems. This device features 5.5-m Ω / 2.2-mΩ integrated MOSFETs, accurate 1%, 0.6-V reference, and integrated boost switch. A sample of competitive features include: a conversion input voltage range from 1.5 V to 15 V, very low external component count, D-CAP™ mode control for super fast transient, auto-skip mode operation, internal soft-start control, selectable frequency, and no need for compensation. The conversion input voltage ranges from 1.5 V to 15 V, the supply voltage range is from 4.5 V to 25 V, and the output voltage range is from 0.6 V to 5.5 V. The device is available in 5-mm × 6-mm, 22-pin QFN package and is specified from –40°C to 85°C. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS53353 LSON-CLIP (22) 6.00 mm × 5.00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. Simplified Application |
Número de pieza similar - TPS53353_16 |
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Descripción similar - TPS53353_16 |
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