主頁(yè) 電源管理 DC/DC switching regulators DC/DC converters

LM2575

正在供貨

具有輸出使能端的 1A 簡(jiǎn)易降壓電壓可調(diào)節(jié)開(kāi)關(guān)穩(wěn)壓器

可提供此產(chǎn)品的更新版本

功能與比較器件相同，但引腳排列有所不同
TLVM13620 正在供貨 采用 4mm x 6mm x 1.8mm 封裝的 3.6V 至 36V 輸入、1V 至 6V 輸出、2A 降壓模塊 Save board space, simplify design and speed time to market with an integrated-inductor power module.
TPSM33615 正在供貨 3-36V 輸入 1-15V 輸出 1.5A 同步降壓電源模塊 Newer Module version with better performance

產(chǎn)品詳情

Rating Catalog Topology Buck Iout (max) (A) 1 Vin (max) (V) 40 Vin (min) (V) 4.75 Vout (max) (V) 37 Vout (min) (V) 1.23 Features Enable, Over Current Protection Control mode Voltage mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.005 Duty cycle (max) (%) 98
Rating Catalog Topology Buck Iout (max) (A) 1 Vin (max) (V) 40 Vin (min) (V) 4.75 Vout (max) (V) 37 Vout (min) (V) 1.23 Features Enable, Over Current Protection Control mode Voltage mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.005 Duty cycle (max) (%) 98
PDIP (N) 16 181.42 mm2 19.3 x 9.4
  • Adjustable With a Range of 1.23 V to 37 V and
    ±4% Regulation (Max) Over Line, Load, and
    Temperature Conditions
  • Specified 1-A Output Current
  • Wide Input Voltage Range 4.75 V to 40 V
  • Uses Readily Available Standard Inductors
  • 52-kHz (Typical) Fixed-Frequency Internal
    Oscillator
  • TTL Shutdown Capability With 50-μA (Typical)
    Standby Current
  • High Efficiency…as High as 88% (Typical)
  • Thermal Shutdown and Current-Limit Protection
    With Cycle-by-Cycle Current Limiting
  • For the Full Offering of Voltages (Including Fixed-
    Output Options) and Packages (Including TO-
    263), See TL2575 Data Sheet, SLVS638
  • Adjustable With a Range of 1.23 V to 37 V and
    ±4% Regulation (Max) Over Line, Load, and
    Temperature Conditions
  • Specified 1-A Output Current
  • Wide Input Voltage Range 4.75 V to 40 V
  • Uses Readily Available Standard Inductors
  • 52-kHz (Typical) Fixed-Frequency Internal
    Oscillator
  • TTL Shutdown Capability With 50-μA (Typical)
    Standby Current
  • High Efficiency…as High as 88% (Typical)
  • Thermal Shutdown and Current-Limit Protection
    With Cycle-by-Cycle Current Limiting
  • For the Full Offering of Voltages (Including Fixed-
    Output Options) and Packages (Including TO-
    263), See TL2575 Data Sheet, SLVS638

The LM2575 device greatly simplifies the design of switching power supplies by conveniently providing all the active functions needed for a step-down (buck) switching regulator in an integrated circuit. Accepting a wide input voltage range and available in an adjustable output version, the LM2575 has an integrated switch capable of delivering 1 A of load current, with excellent line and load regulation. The device also offers internal frequency compensation, a fixed-frequency oscillator, cycle-by-cycle current limiting, and thermal shutdown. In addition, a manual shutdown is available through an external ON/OFF pin.

The LM2575 represents a superior alternative to popular three-terminal linear regulators. Due to its high efficiency, it significantly reduces the size of the heat sink and, in many cases, no heat sink is required. Optimized for use with standard series of inductors available from several different manufacturers, the LM2575 greatly simplifies the design of switch-mode power supplies by requiring a minimal addition of only four to six external components for operation.

The LM2575 is characterized for operation over the virtual junction temperature range of –40°C to 125°C.

The LM2575 device greatly simplifies the design of switching power supplies by conveniently providing all the active functions needed for a step-down (buck) switching regulator in an integrated circuit. Accepting a wide input voltage range and available in an adjustable output version, the LM2575 has an integrated switch capable of delivering 1 A of load current, with excellent line and load regulation. The device also offers internal frequency compensation, a fixed-frequency oscillator, cycle-by-cycle current limiting, and thermal shutdown. In addition, a manual shutdown is available through an external ON/OFF pin.

The LM2575 represents a superior alternative to popular three-terminal linear regulators. Due to its high efficiency, it significantly reduces the size of the heat sink and, in many cases, no heat sink is required. Optimized for use with standard series of inductors available from several different manufacturers, the LM2575 greatly simplifies the design of switch-mode power supplies by requiring a minimal addition of only four to six external components for operation.

The LM2575 is characterized for operation over the virtual junction temperature range of –40°C to 125°C.
下載

技術(shù)文檔

star =有關(guān)此產(chǎn)品的 TI 精選熱門(mén)文檔
未找到結(jié)果。請(qǐng)清除搜索并重試。
查看全部 1
頂層文檔 類(lèi)型 標(biāo)題 格式選項(xiàng) 下載最新的英語(yǔ)版本 日期
* 數(shù)據(jù)表 LM2575 1-A Simple Step-Down Switching Voltage Regulator 數(shù)據(jù)表 (Rev. F) PDF | HTML 2015年 8月 31日

訂購(gòu)和質(zhì)量

包含信息：
  • RoHS
  • REACH
  • 器件標(biāo)識(shí)
  • 引腳鍍層/焊球材料
  • MSL 等級(jí)/回流焊峰值溫度
  • MTBF/時(shí)基故障估算
  • 材料成分
  • 鑒定摘要
  • 持續(xù)可靠性監(jiān)測(cè)
包含信息：
  • 制造廠(chǎng)地點(diǎn)
  • 封裝廠(chǎng)地點(diǎn)

支持和培訓(xùn)

可獲得 TI 工程師技術(shù)支持的 TI E2E? 論壇

所有內(nèi)容均由 TI 和社區(qū)貢獻(xiàn)者按“原樣”提供，并不構(gòu)成 TI 規(guī)范。請(qǐng)參閱使用條款。

如果您對(duì)質(zhì)量、包裝或訂購(gòu) TI 產(chǎn)品有疑問(wèn)，請(qǐng)參閱 TI 支持。??????????????