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TPS55340-EP

現行

強化整合式、5-A、40-V 寬輸入範圍升壓/SEPIC/返馳 DC/DC 穩壓器

產品詳細資料

Rating HiRel Enhanced Product Topology Boost, Flyback, SEPIC Vin (max) (V) 32 Vin (min) (V) 2.9 Vout (max) (V) 38 Vout (min) (V) 3 Switch current limit (typ) (A) 6.6 Features Enable, Frequency synchronization, Light-load efficiency, Nonsynchronous Control mode current mode Operating temperature range (°C) -55 to 150 Iq (typ) (A) 0.0005 Duty cycle (max) (%) 89
Rating HiRel Enhanced Product Topology Boost, Flyback, SEPIC Vin (max) (V) 32 Vin (min) (V) 2.9 Vout (max) (V) 38 Vout (min) (V) 3 Switch current limit (typ) (A) 6.6 Features Enable, Frequency synchronization, Light-load efficiency, Nonsynchronous Control mode current mode Operating temperature range (°C) -55 to 150 Iq (typ) (A) 0.0005 Duty cycle (max) (%) 89
WQFN (RTE) 16 9 mm² 3 x 3
  • Internal 5-A, 40-V low-side MOSFET switch
  • 2.9-V to 32-V input voltage range
  • ±0.7% reference voltage
  • 0.5-mA operating quiescent current
  • 2.7-µA shutdown supply current
  • Fixed frequency current mode PWM vontrol
  • Frequency adjustable from 100 kHz to 1.2 MHz
  • Synchronization capability to external clock
  • Adjustable soft-start time
  • Pulse-skipping for higher efficiency at light loads
  • Cycle-by-cycle current limit, thermal shutdown, and UVLO protection
  • Supports defense, aerospace, and medical applications
    • Controlled baseline
    • One assembly and test site
    • One fabrication site
    • Available in military (–55°C to 125°C) temperature range
    • Extended product life cycle
    • Extended product-change notification
    • Product traceability
  • Internal 5-A, 40-V low-side MOSFET switch
  • 2.9-V to 32-V input voltage range
  • ±0.7% reference voltage
  • 0.5-mA operating quiescent current
  • 2.7-µA shutdown supply current
  • Fixed frequency current mode PWM vontrol
  • Frequency adjustable from 100 kHz to 1.2 MHz
  • Synchronization capability to external clock
  • Adjustable soft-start time
  • Pulse-skipping for higher efficiency at light loads
  • Cycle-by-cycle current limit, thermal shutdown, and UVLO protection
  • Supports defense, aerospace, and medical applications
    • Controlled baseline
    • One assembly and test site
    • One fabrication site
    • Available in military (–55°C to 125°C) temperature range
    • Extended product life cycle
    • Extended product-change notification
    • Product traceability

The TPS55340-EP is a monolithic, non-synchronous switching regulator with integrated 5-A, 40-V power switch. It can be configured in several standard switching-regulator topologies, including boost, SEPIC and isolated flyback. The device has a wide input voltage range to support applications with input voltage from multi-cell batteries or regulated 3.3-, 5-, 12-, and 24-V power rails.

The TPS55340-EP regulates the output voltage with current mode pulse width modulation (PWM) control, and has an internal oscillator. The switching frequency of PWM is set by either an external resistor or by synchronizing to an external clock signal. The user can program the switching frequency from 100 kHz to 1.2 MHz.

The device features a programmable soft-start function to limit inrush current during start-up and has other built-in protection features including cycle-by-cycle over current limit and thermal shutdown.

The TPS55340-EP is a monolithic, non-synchronous switching regulator with integrated 5-A, 40-V power switch. It can be configured in several standard switching-regulator topologies, including boost, SEPIC and isolated flyback. The device has a wide input voltage range to support applications with input voltage from multi-cell batteries or regulated 3.3-, 5-, 12-, and 24-V power rails.

The TPS55340-EP regulates the output voltage with current mode pulse width modulation (PWM) control, and has an internal oscillator. The switching frequency of PWM is set by either an external resistor or by synchronizing to an external clock signal. The user can program the switching frequency from 100 kHz to 1.2 MHz.

The device features a programmable soft-start function to limit inrush current during start-up and has other built-in protection features including cycle-by-cycle over current limit and thermal shutdown.

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技術文件

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重要文件 類型 標題 格式選項 日期
* Data sheet TPS55340-EP Integrated 5-A, 40-V Wide Input Range Boost/SEPIC/Flyback DC-DC Regulator datasheet (Rev. A) PDF | HTML 2021年 9月 15日
* VID TPS55340-EP VID V6214611 2016年 6月 21日

設計與開發

如需其他條款或必要資源,請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

TPS55340EVM-017 — 適用於 TPS55340 5A、40V 電流模式整合式 FET DC 轉換器的升壓評估模組

The Texas Instruments TPS55340EVM-017 evaluation module is a fully assembled and tested circuit for evaluating the TPS55340 5A, 40V Current Mode Integrated-FET Boost DC Converter.
使用指南: PDF
TI.com 無法提供
開發板

TPS55340EVM-147 — 適用於 TPS55340 5A、40V 電流模式整合式 FET DC 轉換器的 SEPIC 評估模組

The Texas Instruments TPS55340EVM-147 evaluation module (EVM) helps designers evaluate the performance of the TPS55340 DC/DC boost converter in a SEPIC topology.
使用指南: PDF
TI.com 無法提供
開發板

TPS55340EVM-148 — 適用於 TPS55340 5A、40V 電流模式整合式 FET DC 轉換器的隔離返馳拓撲模組

The Texas Instruments TPS55340EVM-148 helps designers evaluate the performance of the TPS55340 DC/DC Boost Converter in an isolated flyback topology.
使用指南: PDF
TI.com 無法提供
模擬型號

TPS55340 TINA-TI Transient Reference Design

SLVMA31.TSC (188 KB) - TINA-TI Reference Design
模擬型號

TPS55340 TINA-TI Transient Spice Model

SLVMA30.ZIP (40 KB) - TINA-TI Spice Model
模擬型號

TPS55340 Unencrypted PSpice Transient Model Package (Rev. B)

SLVM589B.ZIP (48 KB) - PSpice Model
計算工具

FLYBUCK-FLYBACK-DESIGN-CALC Flybuck / Flyback Calculator

This tool helps a power supply engineer to select the right isolated DC-DC topology based on the specifications. Depending on the topology chosen, the calculator also recommends the right IC for the design.

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