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AC/DC 和 DC/DC 轉換器 (整合式 FET)

TPS53310

現行

 具有整合 MOSFET 的 2.9V 至 6V、3-A 降壓轉換器

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產品規格表

TPS53310

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 2.9 Vin (max) (V) 6 Switching frequency (min) (kHz) 1100 Switching frequency (max) (kHz) 1100 Features Enable, Light load efficiency, Output discharge, Phase Interleaving, Power good, Pre-Bias Start-Up, Synchronous Rectification Control mode Voltage mode Vout (min) (V) 0.6 Vout (max) (V) 4.2 Iq (typ) (µA) 320 Duty cycle (max) (%) 99
Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck Type Converter Iout (max) (A) 3 Vin (min) (V) 2.9 Vin (max) (V) 6 Switching frequency (min) (kHz) 1100 Switching frequency (max) (kHz) 1100 Features Enable, Light load efficiency, Output discharge, Phase Interleaving, Power good, Pre-Bias Start-Up, Synchronous Rectification Control mode Voltage mode Vout (min) (V) 0.6 Vout (max) (V) 4.2 Iq (typ) (µA) 320 Duty cycle (max) (%) 99
VQFN (RGT) 16 9 mm² 3 x 3
  • >95% Maximum Efficiency
  • Continuous 3-A Output Current
  • Hiccup Overcurrent Protection
  • Supports All MLCC Output Capacitor
  • SmoothPWM Auto-Skip Eco-mode for Light-Load Efficiency
  • Voltage Mode Control
  • Supports Master-Slave Interleaved Operation
  • Synchronization up to ±20% of Nominal Frequency
  • Conversion Voltage Range Between 2.9 V and 6 V
  • Soft-Stop Output Discharge During Disable
  • Adjustable Output Voltage Ranging Between 0.6 V and 0.84 V × VIN
  • Undervoltage, Overvoltage and Overtemperature Protection
  • Small 3 mm × 3 mm, 16-Pin VQFN Package
  • Open-Drain Power Good Indication
  • Internal Boot Strap Switch
  • Low RDS(on), 24 mΩ with 3.3-V Input and 19-mΩ with 5-V Input
  • Supports Pre-bias Start Up

All trademarks are the property of their respective owners.

  • >95% Maximum Efficiency
  • Continuous 3-A Output Current
  • Hiccup Overcurrent Protection
  • Supports All MLCC Output Capacitor
  • SmoothPWM Auto-Skip Eco-mode for Light-Load Efficiency
  • Voltage Mode Control
  • Supports Master-Slave Interleaved Operation
  • Synchronization up to ±20% of Nominal Frequency
  • Conversion Voltage Range Between 2.9 V and 6 V
  • Soft-Stop Output Discharge During Disable
  • Adjustable Output Voltage Ranging Between 0.6 V and 0.84 V × VIN
  • Undervoltage, Overvoltage and Overtemperature Protection
  • Small 3 mm × 3 mm, 16-Pin VQFN Package
  • Open-Drain Power Good Indication
  • Internal Boot Strap Switch
  • Low RDS(on), 24 mΩ with 3.3-V Input and 19-mΩ with 5-V Input
  • Supports Pre-bias Start Up

All trademarks are the property of their respective owners.

The TPS53310 provides a fully integrated 3-V to 5-V VIN integrated synchronous FET converter solution with 16 total components, in 200 mm2 of PCB area. Due to the low RDS(on) and TI's proprietary SmoothPWM™ Skip mode of operation, it enables 95.5% peak efficiency, and over 90% efficiency at loads as light as 100 mA. It requires only two 22-µF ceramic output capacitors for a power dense 3-A solution.

The TPS53310 features a 1.1-MHz switching frequency, SKIP mode operation support, pre-bias startup, internal softstart, output soft discharge, internal VBST switch, power good, EN/input UVLO, overcurrent, overvoltage, undervoltage and overtemperature protections and all ceramic output capacitor support. It supports supply voltage from
2.9 V to 3.5 V and conversion voltage from 2.9 V to
6 V, and output voltage is adjustable from 0.6 V to
0.84 V × VIN.

The TPS53310 is available in the 3 mm × 3 mm,
16-pin VQFN package (Green RoHs compliant and Pb free) and operates between –40°C and 85°C.

The TPS53310 provides a fully integrated 3-V to 5-V VIN integrated synchronous FET converter solution with 16 total components, in 200 mm2 of PCB area. Due to the low RDS(on) and TI's proprietary SmoothPWM™ Skip mode of operation, it enables 95.5% peak efficiency, and over 90% efficiency at loads as light as 100 mA. It requires only two 22-µF ceramic output capacitors for a power dense 3-A solution.

The TPS53310 features a 1.1-MHz switching frequency, SKIP mode operation support, pre-bias startup, internal softstart, output soft discharge, internal VBST switch, power good, EN/input UVLO, overcurrent, overvoltage, undervoltage and overtemperature protections and all ceramic output capacitor support. It supports supply voltage from
2.9 V to 3.5 V and conversion voltage from 2.9 V to
6 V, and output voltage is adjustable from 0.6 V to
0.84 V × VIN.

The TPS53310 is available in the 3 mm × 3 mm,
16-pin VQFN package (Green RoHs compliant and Pb free) and operates between –40°C and 85°C.
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類型 標題 日期
* Data sheet TPS53310 3-A Step-Down Regulator With Integrated Switcher datasheet (Rev. A) PDF | HTML 2016年 10月 31日
Application note Unified Ground Connection Recommendation on TPS53K- Integrated FET-Converter Dev 2017年 1月 25日
User guide Using the TPS53310EVM-755, A 3-A Eco-mode™ 2012年 1月 13日

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開發板

TPS53310EVM-755 — 用於 TPS53310 的評估模組：具有整合 MOSFET 的 2.9V 至 6V、3-A 降壓轉換器

The TPS53310EVM-755 evaluation module (EVM) is a high-efficiency evaluation platform with twoTPS53310 3-A, integrated FET, step-down converters working in a Master-Slave synchronization scheme. The two outputs are 1.5 V/3 A (master) and 1.2 V/3 A (slave) from a 3.3-V or 5-V input bus. The EVM uses (...)

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