首頁 電源管理 AC/DC 和 DC/DC 控制器 (外部 FET)

寬輸入電壓同步降壓控制器

TPS40053 不建議用於新設計
此產品將繼續向現有客戶提供。新設計應考量替代產品。
open-in-new 比較替代產品
功能與所比較的裝置相似
LM25145 現行 具廣泛工作週期範圍的 6V 至 42V 同步降壓 DC-DC 控制器 This alternative device offers higher efficiency and smaller solution size with frequency synchronization and increased power capability.

產品詳細資料

Rating Catalog Topology Buck Controller Iout (max) (A) 20 Vin (max) (V) 40 Vin (min) (V) 8 Vout (max) (V) 35 Vout (min) (V) 0.7 Features Enable, Frequency synchronization, Pre-Bias Start-Up Operating temperature range (°C) -40 to 85 Iq (typ) (µA) 1500 Duty cycle (max) (%) 85
Rating Catalog Topology Buck Controller Iout (max) (A) 20 Vin (max) (V) 40 Vin (min) (V) 8 Vout (max) (V) 35 Vout (min) (V) 0.7 Features Enable, Frequency synchronization, Pre-Bias Start-Up Operating temperature range (°C) -40 to 85 Iq (typ) (µA) 1500 Duty cycle (max) (%) 85
HTSSOP (PWP) 16 32 mm² 5 x 6.4
  • Operating Input Voltage 8 V to 40 V
  • Input Voltage Feed-Forward Compensation
  • < 1 % Internal 0.7-V Reference
  • Programmable Fixed-Frequency Up to 1 MHz Voltage Mode Controller
  • Internal Gate Drive Outputs for High-Side and Synchronous N-Channel MOSFETs
  • 16-Pin PowerPAD™ Package (Package (JC = 2°C/W)
  • Thermal Shutdown
  • Externally Synchronizable
  • Programmable High-Side Current Limit
  • Programmable Closed-Loop Soft-Start
  • TPS40050 Source Only
  • TPS40051 Source/Sink
  • TPS40053 Source/Sink With VOUT Prebias
  • APPLICATIONS
    • Power Modules
    • Networking/Telecom
    • Industial
    • Servers

PowerPAD™ is trademark of Texas Instruments.

  • Operating Input Voltage 8 V to 40 V
  • Input Voltage Feed-Forward Compensation
  • < 1 % Internal 0.7-V Reference
  • Programmable Fixed-Frequency Up to 1 MHz Voltage Mode Controller
  • Internal Gate Drive Outputs for High-Side and Synchronous N-Channel MOSFETs
  • 16-Pin PowerPAD™ Package (Package (JC = 2°C/W)
  • Thermal Shutdown
  • Externally Synchronizable
  • Programmable High-Side Current Limit
  • Programmable Closed-Loop Soft-Start
  • TPS40050 Source Only
  • TPS40051 Source/Sink
  • TPS40053 Source/Sink With VOUT Prebias
  • APPLICATIONS
    • Power Modules
    • Networking/Telecom
    • Industial
    • Servers

PowerPAD™ is trademark of Texas Instruments.

The TPS4005x is a family of high-voltage, wide input (8 V to 40 V), synchronous, step-down converters. The TPS4005x family offers design flexibility with a variety of user programmable functions, including soft-start, UVLO, operating frequency, voltage feed-forward, high-side current limit, and loop compensation.

The TPS4005x are also synchronizable to an external supply. They incorporate MOSFET gate drivers for external N-channel high-side and synchronous rectifier (SR) MOSFETs. Gate drive logic incorporates anti-cross conduction circuitry to prevent simultaneous high-side and synchronous rectifier conduction.

The TPS4005x uses voltage feed-forward control techniques to provide good line regulation over the wide (4:1) input voltage range, and fast response to input line transients with near constant gain with input variation which eases loop compensation.

The externally programmable current limit provides pulse-by-pulse current limit, as well as hiccup mode operation utilizing an internal fault counter for longer duration overloads.

The TPS4005x is a family of high-voltage, wide input (8 V to 40 V), synchronous, step-down converters. The TPS4005x family offers design flexibility with a variety of user programmable functions, including soft-start, UVLO, operating frequency, voltage feed-forward, high-side current limit, and loop compensation.

The TPS4005x are also synchronizable to an external supply. They incorporate MOSFET gate drivers for external N-channel high-side and synchronous rectifier (SR) MOSFETs. Gate drive logic incorporates anti-cross conduction circuitry to prevent simultaneous high-side and synchronous rectifier conduction.

The TPS4005x uses voltage feed-forward control techniques to provide good line regulation over the wide (4:1) input voltage range, and fast response to input line transients with near constant gain with input variation which eases loop compensation.

The externally programmable current limit provides pulse-by-pulse current limit, as well as hiccup mode operation utilizing an internal fault counter for longer duration overloads.

下載

技術文件

star =TI 所選的此產品重要文件
找不到結果。請清除您的搜尋條件,然後再試一次。
檢視所有 1
類型 標題 日期
* Data sheet TPS40050 Synchronous Buck Controller datasheet (Rev. F) 2004年 6月 9日

訂購與品質

內含資訊:
  • RoHS
  • REACH
  • 產品標記
  • 鉛塗層/球物料
  • MSL 等級/回焊峰值
  • MTBF/FIT 估算值
  • 材料內容
  • 認證摘要
  • 進行中持續性的可靠性監測
內含資訊:
  • 晶圓廠位置
  • 組裝地點