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

TPS54354-EP

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Verbessertes Produkt – synchrone Abwärts-PWM-Schalter, 4,5 bis 20 V Eingang, 3 A Ausgang, mit integr

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Selbe Funktionalität wie der verglichene Baustein bei abweichender Anschlussbelegung
TPS543820E AKTIV Synchroner Abwärtswandler, 4 bis 18 V, 8 A, erweiterter Temperaturbereich Higher current device with smaller size and adjustable output voltage

TPS54354-EP

AKTIV
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Produktdetails

Rating HiRel Enhanced Product Operating temperature range (°C) -55 to 125 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 4.5 Vin (max) (V) 20 Switching frequency (min) (kHz) 250 Switching frequency (max) (kHz) 700 Features Enable, Phase Interleaving, Power good, Synchronous Rectification Control mode Voltage mode Vout (min) (V) 1.8 Vout (max) (V) 1.8 Iq (typ) (µA) 9000 Duty cycle (max) (%) 80
Rating HiRel Enhanced Product Operating temperature range (°C) -55 to 125 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 4.5 Vin (max) (V) 20 Switching frequency (min) (kHz) 250 Switching frequency (max) (kHz) 700 Features Enable, Phase Interleaving, Power good, Synchronous Rectification Control mode Voltage mode Vout (min) (V) 1.8 Vout (max) (V) 1.8 Iq (typ) (µA) 9000 Duty cycle (max) (%) 80
HTSSOP (PWP) 16 32 mm² 5 x 6.4
  • 100-m, 4.5-A Peak MOSFET Switch for High Efficiency at 3-A Continuous Output Current
  • Use External Low-Side MOSFET or Diode
  • Fixed-Output Versions - 1.2 V/1.5 V/1.8 V/ 2.5 V/3.3 V/5 V
  • Internally Compensated for Low Parts Count
  • Synchronize to External Clock
  • 180° Out-of-Phase Synchronization
  • Wide Pulse Width Modulation (PWM) Frequency - Fixed 250 kHz, 500 kHz, or Adjustable 250 kHz to 700 kHz
  • Internal Slow Start
  • Load Protected by Peak Current Limit and Thermal Shutdown
  • Adjustable Undervoltage Lockout
  • 16-Pin PowerPAD™ Thin Shrink Small-Outline Package (TSSOP) (PWP)
  • APPLICATIONS
    • Industrial and Commercial Low-Power Systems
    • LCD Monitors and TVs
    • Computer Peripherals
    • Point-of-Load Regulation for High Performance DSPs, FPGAs, ASICs, and Microprocessors
  • SUPPORTS DEFENSE, AEROSPACE, AND MEDICAL APPLICATIONS
    • Controlled Baseline
    • One Assembly/Test Site
    • One Fabrication Site
    • Available in Military (-55°C/125°C) Temperature RangeAdditional temperature ranges are available - contact factory
    • Extended Product Life Cycle
    • Extended Product-Change Notification
    • Product Traceability

SWIFT and PowerPAD are trademarks of Texas Instruments.
  • 100-m, 4.5-A Peak MOSFET Switch for High Efficiency at 3-A Continuous Output Current
  • Use External Low-Side MOSFET or Diode
  • Fixed-Output Versions - 1.2 V/1.5 V/1.8 V/ 2.5 V/3.3 V/5 V
  • Internally Compensated for Low Parts Count
  • Synchronize to External Clock
  • 180° Out-of-Phase Synchronization
  • Wide Pulse Width Modulation (PWM) Frequency - Fixed 250 kHz, 500 kHz, or Adjustable 250 kHz to 700 kHz
  • Internal Slow Start
  • Load Protected by Peak Current Limit and Thermal Shutdown
  • Adjustable Undervoltage Lockout
  • 16-Pin PowerPAD™ Thin Shrink Small-Outline Package (TSSOP) (PWP)
  • APPLICATIONS
    • Industrial and Commercial Low-Power Systems
    • LCD Monitors and TVs
    • Computer Peripherals
    • Point-of-Load Regulation for High Performance DSPs, FPGAs, ASICs, and Microprocessors
  • SUPPORTS DEFENSE, AEROSPACE, AND MEDICAL APPLICATIONS
    • Controlled Baseline
    • One Assembly/Test Site
    • One Fabrication Site
    • Available in Military (-55°C/125°C) Temperature RangeAdditional temperature ranges are available - contact factory
    • Extended Product Life Cycle
    • Extended Product-Change Notification
    • Product Traceability

SWIFT and PowerPAD are trademarks of Texas Instruments.

The TPS5435x is a medium-output-current synchronous buck PWM converter with an integrated high-side MOSFET and a gate driver for an optional low-side external MOSFET. Features include a high-performance voltage error amplifier that enables maximum performance under transient conditions. The TPS5435x has an undervoltage lockout (UVLO) circuit to prevent start-up until the input voltage reaches a preset value, an internal slow-start circuit to limit in-rush currents, and a power-good (PWRGD) output to indicate valid output conditions. The synchronization feature is configurable as either an input or an output for easy 180° out-of-phase synchronization.

The TPS5435x devices are available in a thermally enhanced 16-pin PowerPAD Thin Shrink Small-Outline Package (TSSOP). 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.

The TPS5435x is a medium-output-current synchronous buck PWM converter with an integrated high-side MOSFET and a gate driver for an optional low-side external MOSFET. Features include a high-performance voltage error amplifier that enables maximum performance under transient conditions. The TPS5435x has an undervoltage lockout (UVLO) circuit to prevent start-up until the input voltage reaches a preset value, an internal slow-start circuit to limit in-rush currents, and a power-good (PWRGD) output to indicate valid output conditions. The synchronization feature is configurable as either an input or an output for easy 180° out-of-phase synchronization.

The TPS5435x devices are available in a thermally enhanced 16-pin PowerPAD Thin Shrink Small-Outline Package (TSSOP). 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 TPS54352-EP, TPS54353-EP, TPS54354-EP, TPS54355-EP, TPS54356-EP, TPS54357-EP datasheet (Rev. A) 16 Jul 2009

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