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AC/DC 和 DC/DC 轉換器 (整合式 FET)

TPS54357

現行

具有低壓側閘極驅動器的 4.5V 至 20V 輸入、5V 輸出 3A 同步降壓 SWIFT™ 轉換器

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產品規格表

現在提供此產品的更新版本

open-in-new 比較替代產品
功能相同，但引腳輸出與所比較的裝置不同
TPS543320 現行 4-V 至 18-V、3-A 同步降壓 SWIFT™ 轉換器 Higher efficiency in a smaller package
功能與所比較的裝置相似
TPS62933 現行 採用 SOT-583 封裝的 3.8-V 至 30-V、3-A、200-kHz 至 2.2-MHz、低 IQ 同步降壓轉換器 Wider Vin, higher frequency and lower IQ.

TPS54357

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Topology Buck Iout (max) (A) 3 Vin (max) (V) 20 Vin (min) (V) 6.5 Vout (max) (V) 5 Vout (min) (V) 5 Features Enable, Phase Interleaving, Power good, Synchronous Rectification Control mode Voltage mode Switching frequency (min) (kHz) 250 Switching frequency (max) (kHz) 700 Operating temperature range (°C) -40 to 85 Iq (typ) (µA) 9000 Duty cycle (max) (%) 80 Type Converter
Rating Catalog Topology Buck Iout (max) (A) 3 Vin (max) (V) 20 Vin (min) (V) 6.5 Vout (max) (V) 5 Vout (min) (V) 5 Features Enable, Phase Interleaving, Power good, Synchronous Rectification Control mode Voltage mode Switching frequency (min) (kHz) 250 Switching frequency (max) (kHz) 700 Operating temperature range (°C) -40 to 85 Iq (typ) (µA) 9000 Duty cycle (max) (%) 80 Type Converter
HTSSOP (PWP) 16 32 mm² 5 x 6.4
  • 100 mΩ, 4.5-A Peak MOSFET Switch for High Efficiency at 3-A Continuous Output Current
  • Uses External Lowside MOSFET or Diode
  • Fixed Output Versions — 1.2V/1.5V/1.8V/2.5V/3.3V/5.0V
  • Internally Compensated for Low Parts Count
  • Synchronizes to External Clock
  • 180° Out of Phase Synchronization
  • Wide 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 TSSOP PowerPAD™ Package
  • APPLICATIONS
    • Industrial & Commercial Low Power Systems
    • LCD Monitors and TVs
    • Computer Peripherals
    • Point of Load Regulation for High Performance DSPs, FPGAs, ASICs and Microprocessors

PowerPAD and SWIFT are trademarks of Texas Instruments.
  • 100 mΩ, 4.5-A Peak MOSFET Switch for High Efficiency at 3-A Continuous Output Current
  • Uses External Lowside MOSFET or Diode
  • Fixed Output Versions — 1.2V/1.5V/1.8V/2.5V/3.3V/5.0V
  • Internally Compensated for Low Parts Count
  • Synchronizes to External Clock
  • 180° Out of Phase Synchronization
  • Wide 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 TSSOP PowerPAD™ Package
  • APPLICATIONS
    • Industrial & Commercial Low Power Systems
    • LCD Monitors and TVs
    • Computer Peripherals
    • Point of Load Regulation for High Performance DSPs, FPGAs, ASICs and Microprocessors

PowerPAD and SWIFT 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 under-voltage-lockout 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 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 TSSOP (PWP) PowerPAD™ package. 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 under-voltage-lockout 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 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 TSSOP (PWP) PowerPAD™ package. 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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類型 標題 日期
* Data sheet TPS54352/3/4/5/6/7: 4.5-V to 20-V Input, 3-A Output Synchronous PWM Switcher datasheet (Rev. A) 2004年 10月 27日

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