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参数

Vin (Min) (V) 2.5 Vin (Max) (V) 5.8 Vout (Min) (V) 1.8 Vout (Max) (V) 11 Iout (Max) (A) 0.04 Regulated outputs (#) 1 Switching frequency (Min) (kHz) 40 Switching frequency (Max) (kHz) 80 Iq (Typ) (mA) 0.65 Features Enable Operating temperature range (C) -40 to 85 Type Charge Pump Rating Catalog open-in-new 查找其它 电荷泵(无电感)

封装|引脚|尺寸

SOT-23 (DBV) 6 5 mm² 2.9 x 1.6 open-in-new 查找其它 电荷泵(无电感)

特性

  • Input Voltage for Voltage Doubler: 2.5 V to 5.5 V
  • Voltage Divider Splits Voltage: 1.8 V to 11 V
  • Doubles or Splits Input Supply Voltage
  • 12-Ω Typical Output Impedance
  • 90% Typical Conversion Efficiency at 40 mA
  • 1-µA Typical Shutdown Current
open-in-new 查找其它 电荷泵(无电感)

描述

The LM2665 CMOS charge-pump voltage converter operates as a voltage doubler for an input voltage in the range of 2.5 V to 5.5 V. Two low-cost capacitors and a diode (needed during start-up) are used in this circuit to provide up to 40 mA of output current. The LM2665 can also work as a voltage divider to split a voltage in the range of 1.8 V to 11 V in half.

The LM2665 operates at 160-kHz oscillator frequency to reduce output resistance and voltage ripple. With an operating current of only 650 µA (operating efficiency greater than 90% with most loads) and
1-µA typical shutdown current, the LM2665 provides ideal performance for battery powered systems.

For all available packages, see the orderable addendum at the end of the data sheet.
open-in-new 查找其它 电荷泵(无电感)
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技术文档

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类型 标题 下载最新的英文版本 发布
* 数据表 LM2665 Switched Capacitor Voltage Converter 数据表 2016年 3月 22日
白皮书 The Forgotten Converter 2015年 6月 15日
技术文章 Painting a picture for powering high-performance FPGAs 2013年 9月 5日
技术文章 Analog Applications Spotlight: Mark Pieper 2013年 6月 6日
技术文章 How to choose an LDO or switching regulator 2013年 5月 8日
技术文章 Engineer It Video Series: Testing Power Supplies 2013年 3月 26日
更多文献资料 Die D/S LM2665 MDA Switched Capacitor Voltage Converter 2012年 9月 20日

设计与开发

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硬件开发

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document-generic 用户指南
$149.00
说明
This evaluation module (EVM) is a complete evaluation system for the bq27z561 battery management system. The EVM includes bq27z561  and bq2980  circuit module and a link to Windows® based PC software. The circuit module includes bq27z561 and bq2980 integrated circuit (IC), and all (...)
特性
  • Easy to use impedance track gas gauge
  • Acurate cell current, temperature and voltage monitoring
  • Over voltage, under voltage, over current, over temperature and under temperature protection
  • 1-mOhm sense resistor
  • On board EV2400
  • On board dual programmable chargers

CAD/CAE 符号

封装 引脚 下载
SOT-23 (DBV) 6 了解详情

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