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

TPS54910

AKTIV

Synchroner Abwärtswandler, 3 bis 4 V Eingangsspannung, 9 A

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Datenblatt

TPS54910

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Rating Catalog Topology Buck Iout (max) (A) 9 Vin (max) (V) 4 Vin (min) (V) 3 Vout (max) (V) 2.5 Vout (min) (V) 0.9 Features Enable, Frequency synchronization, Power good, Synchronous Rectification Control mode Voltage mode Switching frequency (min) (kHz) 280 Switching frequency (max) (kHz) 700 Operating temperature range (°C) -40 to 85 Iq (typ) (µA) 11000 Duty cycle (max) (%) 90 Type Converter
Rating Catalog Topology Buck Iout (max) (A) 9 Vin (max) (V) 4 Vin (min) (V) 3 Vout (max) (V) 2.5 Vout (min) (V) 0.9 Features Enable, Frequency synchronization, Power good, Synchronous Rectification Control mode Voltage mode Switching frequency (min) (kHz) 280 Switching frequency (max) (kHz) 700 Operating temperature range (°C) -40 to 85 Iq (typ) (µA) 11000 Duty cycle (max) (%) 90 Type Converter
HTSSOP (PWP) 28 62.08 mm² 9.7 x 6.4
  • 15-m MOSFET Switches for High Efficiency at 9-A Continuous Output
  • 0.9-V to 2.5-V Adjustable Output Voltage
  • Externally Compensated With 1% Accuracy
  • Fast Transient Response
  • Wide PWM Frequency:
       Fixed 350 kHz, 550 kHz or
       Adjustable 280 kHz to 700 kHz
  • Load Protected by Peak Current Limit and Thermal Shutdown
  • Integrated Solution Reduces Board Area and Total Cost
  • APPLICATIONS
    • Low-Voltage, High-Density Systems With Power Distributed at 3.3 V
    • Point of Load Regulation for High Performance DSPs, FPGAs, ASICs and Microprocessors
    • Broadband, Networking and Optical Communications Infrastructure
    • Portable Computing/Notebook PCs

PowerPAD and SWIFT are trademarks of Texas Instruments.
  • 15-m MOSFET Switches for High Efficiency at 9-A Continuous Output
  • 0.9-V to 2.5-V Adjustable Output Voltage
  • Externally Compensated With 1% Accuracy
  • Fast Transient Response
  • Wide PWM Frequency:
       Fixed 350 kHz, 550 kHz or
       Adjustable 280 kHz to 700 kHz
  • Load Protected by Peak Current Limit and Thermal Shutdown
  • Integrated Solution Reduces Board Area and Total Cost
  • APPLICATIONS
    • Low-Voltage, High-Density Systems With Power Distributed at 3.3 V
    • Point of Load Regulation for High Performance DSPs, FPGAs, ASICs and Microprocessors
    • Broadband, Networking and Optical Communications Infrastructure
    • Portable Computing/Notebook PCs

PowerPAD and SWIFT are trademarks of Texas Instruments.

As a member of the SWIFT™ family of dc/dc regulators, the TPS54910 low-input voltage high-output current synchronous buck PWM converter integrates all required active components. Included on the substrate with the listed features are a true, high performance, voltage error amplifier that enables maximum performance under transient conditions and flexibility in choosing the output filter L and C components; an under-voltage-lockout circuit to prevent start-up until the input voltage reaches 3 V; an internally and externally set slow-start circuit to limit in-rush currents; and a power good output useful for processor/logic reset, fault signaling, and supply sequencing.

The TPS54910 is available in a thermally enhanced 28-pin TSSOP (PWP) PowerPAD™ package, which eliminates bulky heatsinks. TI provides evaluation modules and the SWIFT™ designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.

As a member of the SWIFT™ family of dc/dc regulators, the TPS54910 low-input voltage high-output current synchronous buck PWM converter integrates all required active components. Included on the substrate with the listed features are a true, high performance, voltage error amplifier that enables maximum performance under transient conditions and flexibility in choosing the output filter L and C components; an under-voltage-lockout circuit to prevent start-up until the input voltage reaches 3 V; an internally and externally set slow-start circuit to limit in-rush currents; and a power good output useful for processor/logic reset, fault signaling, and supply sequencing.

The TPS54910 is available in a thermally enhanced 28-pin TSSOP (PWP) PowerPAD™ package, which eliminates bulky heatsinks. TI provides evaluation modules and the SWIFT™ designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.
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Typ Titel Datum
* Data sheet 3-V to 4-V Input, 9-A Output Synchronous Buck Switcher w/Integrated FETS SWIFT datasheet (Rev. C) 11 Feb 2005

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