Startseite Energiemanagement AC/DC- und DC/DC-Wandler (integrierter FET)
NEU

TPS51386

AKTIV

4.5-V to 24-V input, 8-A synchronous buck converter 

Produktdetails

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 8 Vin (min) (V) 4.5 Vin (max) (V) 24 Features Enable, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Adjustable, UVLO Fixed Control mode D-CAP3 Vout (min) (V) 0.6 Vout (max) (V) 5.5
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 8 Vin (min) (V) 4.5 Vin (max) (V) 24 Features Enable, Light Load Efficiency, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Adjustable, UVLO Fixed Control mode D-CAP3 Vout (min) (V) 0.6 Vout (max) (V) 5.5
VQFN-HR (RJN) 12 6 mm² 3 x 2
  • 4.5-V to 24-V input voltage range
  • 0.6-V to 5.5-V output voltage range
  • Integrated 22-mΩ and 11-mΩ MOSFETs
  • Support 8-A continuous I OUT
  • 84-µA low quiescent current
  • ±1% reference voltage (0.6 V) at 25°C
  • ±1.5% reference voltage (0.6 V) at –40°C to 125°C
  • 600-kHz switching frequency
  • D-CAP3™ control mode for fast transient response
  • Supports POSCAP and all MLCC output capacitor
  • Adjustable soft start and internal 1-ms soft start
  • Selectable PSM and Out-of-Audio™ (OOA) mode under light load and supports on-the-fly change
  • Large duty operation support
  • Power-good indicator to monitor output voltage
  • Latched output OV and UV protection
  • Non-latched UVLO and OT protection
  • Cycle-by-cycle overcurrent protection
  • Built-in output discharge feature
  • Small 2.00-mm × 3.00-mm HotRod™ QFN package
  • 4.5-V to 24-V input voltage range
  • 0.6-V to 5.5-V output voltage range
  • Integrated 22-mΩ and 11-mΩ MOSFETs
  • Support 8-A continuous I OUT
  • 84-µA low quiescent current
  • ±1% reference voltage (0.6 V) at 25°C
  • ±1.5% reference voltage (0.6 V) at –40°C to 125°C
  • 600-kHz switching frequency
  • D-CAP3™ control mode for fast transient response
  • Supports POSCAP and all MLCC output capacitor
  • Adjustable soft start and internal 1-ms soft start
  • Selectable PSM and Out-of-Audio™ (OOA) mode under light load and supports on-the-fly change
  • Large duty operation support
  • Power-good indicator to monitor output voltage
  • Latched output OV and UV protection
  • Non-latched UVLO and OT protection
  • Cycle-by-cycle overcurrent protection
  • Built-in output discharge feature
  • Small 2.00-mm × 3.00-mm HotRod™ QFN package

The TPS51386 is a monolithic, 8-A, synchronous buck converter with adaptive on-time D-CAP3 control mode. Integrated low R DS(on) power MOSFETs enable high efficiency and offer ease-of-use with minimum external component count for space-constrained power systems. Features include an accurate reference voltage, fast load transient response, auto-skip mode operation for light load efficiency, OOA light load operation with > 25-kHz switching frequency, D-CAP3 control mode with good line, load regulation, and does not require external compensation.

The TPS51386 provides complete protection OVP, UVP, OCP, OTP, and UVLO. The device is a combined power-good signal and output discharge function.

The TPS51386 supports both internal and external soft-start time option. The device has the internal fixed soft-start time 1 ms. If the application needs longer soft-start time, the external SS pin can be used to achieve longer soft-start time by connecting the external capacitor.

The TPS51386 are available in a thermally enhanced 12-pin QFN package and are designed to operate from –40°C to 125°C junction temperature.

The TPS51386 is a monolithic, 8-A, synchronous buck converter with adaptive on-time D-CAP3 control mode. Integrated low R DS(on) power MOSFETs enable high efficiency and offer ease-of-use with minimum external component count for space-constrained power systems. Features include an accurate reference voltage, fast load transient response, auto-skip mode operation for light load efficiency, OOA light load operation with > 25-kHz switching frequency, D-CAP3 control mode with good line, load regulation, and does not require external compensation.

The TPS51386 provides complete protection OVP, UVP, OCP, OTP, and UVLO. The device is a combined power-good signal and output discharge function.

The TPS51386 supports both internal and external soft-start time option. The device has the internal fixed soft-start time 1 ms. If the application needs longer soft-start time, the external SS pin can be used to achieve longer soft-start time by connecting the external capacitor.

The TPS51386 are available in a thermally enhanced 12-pin QFN package and are designed to operate from –40°C to 125°C junction temperature.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS51386 4.5-V to 24-V Input, 8-A Synchronous Buck Converter With Latched OVP/UVP, Adjustable Soft Start, and PSM/OOA Modes datasheet PDF | HTML 21 Aug 2023
Application note D-CAP2 and D-CAP3 Loop Analysis With Hybrid Output Capacitors PDF | HTML 22 Dez 2023
EVM User's guide TPS51386 Step-Down Converter Evaluation Module User's Guide (Rev. B) PDF | HTML 29 Aug 2023
Application note Non-Isolated DC/DC Designs for Raptor Lake in Notebook Computing Applications PDF | HTML 16 Aug 2023
Certificate TPS51386EVM EU RoHS Declaration of Conformity (DoC) 18 Aug 2022

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

TPS51386EVM — Evaluierungsmodul für synchronen 8-A-Abwärtswandler, 4,5–24 V Eingang

Der TPS51386 ist ein einzelner synchroner Abwärtswandler im D-CAP3™-Modus, der eine sehr geringe Anzahl externer Komponenten erfordert. Der TPS51386 bietet einen Ausgang mit Spannungsverstellung zwischen 0,6 und 5,5 V und max. 8 A. Integrierte Leistungs-MOSFETs mit niedrigem RDS(ON) bieten (...)

Benutzerhandbuch: PDF | HTML
Simulationsmodell

TPS51386 PSPICE Model

SLUM842.ZIP (401 KB) - PSpice Model
Gehäuse Pins Herunterladen
VQFN-HR (RJN) 12 Optionen anzeigen

Bestellen & Qualität

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  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
  • MTBF-/FIT-Schätzungen
  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
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