主頁(yè) 電源管理 AC/DC 和 DC/DC 轉(zhuǎn)換器（集成 FET）

LM2611

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1.4MHz Cuk 轉(zhuǎn)換器

產(chǎn)品詳情

Rating Catalog Topology CuK, Inverting Switch current limit (typ) (A) 1.2 Vin (max) (V) 14 Vin (min) (V) 2.7 Vout (max) (V) -1.23 Vout (min) (V) -32 Features Light-load efficiency Switching frequency (min) (kHz) 1400 Switching frequency (max) (kHz) 1400 Operating temperature range (°C) -40 to 125 Iq (typ) (μA) 1800 Type Converter
Rating Catalog Topology CuK, Inverting Switch current limit (typ) (A) 1.2 Vin (max) (V) 14 Vin (min) (V) 2.7 Vout (max) (V) -1.23 Vout (min) (V) -32 Features Light-load efficiency Switching frequency (min) (kHz) 1400 Switching frequency (max) (kHz) 1400 Operating temperature range (°C) -40 to 125 Iq (typ) (μA) 1800 Type Converter
SOT-23 (DBV) 5 8.12 mm2 2.9 x 2.8
  • 1.4-MHz Switching Frequency
  • Low RDS(ON) DMOS FET
  • 1-mVp-p Output Ripple
  • –5 V at 300 mA From 5-V Input
  • Better Regulation Than a Charge Pump
  • Uses Tiny Capacitors and Inductors
  • Wide Input Range: 2.7 V to 14 V
  • Low Shutdown Current: <1 μA
  • 5-Pin SOT-23 Package
  • 1.4-MHz Switching Frequency
  • Low RDS(ON) DMOS FET
  • 1-mVp-p Output Ripple
  • –5 V at 300 mA From 5-V Input
  • Better Regulation Than a Charge Pump
  • Uses Tiny Capacitors and Inductors
  • Wide Input Range: 2.7 V to 14 V
  • Low Shutdown Current: <1 μA
  • 5-Pin SOT-23 Package

The LM2611 is a current mode, PWM inverting switching regulator. Operating from a 2.7-V to 4-V supply, it is capable of producing a regulated negative output voltage of up to &ndash(36 VIN(MAX)). The LM2611 utilizes an input and output inductor, which enables low voltage ripple and RMS current on both the input and the output. With a switching frequency of 1.4 MHz, the inductors and output capacitor can be physically small and low cost. High efficiency is achieved through the use of a low RDS(ON) FET.

The LM2611 features a shutdown pin, which can be activated when the part is not needed to lower the Iq and save battery life. A negative feedback (NFB) pin provides a simple method of setting the output voltage, using just two resistors. Cycle-by-cycle current limiting and internal compensation further simplify the use of the LM2611.

The LM2611 is available as a small 5-pin, SOT-23 package and comes in two grades. Grade A has a 1.2-A current limit and 0.5-Ω RDS(ON), and Grade B has a 0.9-A current limit and 0.7-Ω RDS(ON).

The LM2611 is a current mode, PWM inverting switching regulator. Operating from a 2.7-V to 4-V supply, it is capable of producing a regulated negative output voltage of up to &ndash(36 VIN(MAX)). The LM2611 utilizes an input and output inductor, which enables low voltage ripple and RMS current on both the input and the output. With a switching frequency of 1.4 MHz, the inductors and output capacitor can be physically small and low cost. High efficiency is achieved through the use of a low RDS(ON) FET.

The LM2611 features a shutdown pin, which can be activated when the part is not needed to lower the Iq and save battery life. A negative feedback (NFB) pin provides a simple method of setting the output voltage, using just two resistors. Cycle-by-cycle current limiting and internal compensation further simplify the use of the LM2611.

The LM2611 is available as a small 5-pin, SOT-23 package and comes in two grades. Grade A has a 1.2-A current limit and 0.5-Ω RDS(ON), and Grade B has a 0.9-A current limit and 0.7-Ω RDS(ON).
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類型 標(biāo)題 下載最新的英語(yǔ)版本 日期
* 數(shù)據(jù)表 LM2611 1.4-MHz Cuk Converter 數(shù)據(jù)表 (Rev. J) PDF | HTML 2015年 12月 31日
應(yīng)用手冊(cè) 使用正電源生成負(fù)電源 PDF | HTML 英語(yǔ)版 PDF | HTML 2025年 10月 13日
用戶指南 AN-1203 LM2611 Demoboard (Rev. B) 2013年 4月 24日

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LM2611EVAL — 1.4MHz Cuk 轉(zhuǎn)換器

1.4MHz Cuk Converter

用戶指南: PDF
TI.com 上無現(xiàn)貨
封裝 引腳 CAD 符號(hào)、封裝和 3D 模型
SOT-23 (DBV) 5 Ultra Librarian

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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：
  • 制造廠地點(diǎn)
  • 封裝廠地點(diǎn)

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