
- 制造厂商:TI(德州仪器,Texas Instruments)
- 产品类别:电源管理
- 技术类目:直流/直流开关稳压器 - 电荷泵(无电感器)
- 功能描述:输入电压为 1.8V 至 5.5V 的开关电容倍压器
- 点击这里打开及下载LM2665的技术文档资料
- TI代理渠道,提供当日发货、严格的质量标准,满足您的目标价格

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.
- 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-A Typical Shutdown Current
- 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
- Rating
- Catalog
LM2665的完整型号有:LM2665M6/NOPB、LM2665M6X/NOPB、LM2665M6、LM2665M6X,以下是这些产品的关键参数及官网采购报价:
LM2665M6/NOPB,工作温度:-40 to 85,封装:SOT-23 (DBV)-6,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LM2665M6/NOPB的批量USD价格:0.165(1000+)
LM2665M6X/NOPB,工作温度:-40 to 85,封装:SOT-23 (DBV)-6,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LM2665M6X/NOPB的批量USD价格:0.165(1000+)
LM2665M6,工作温度:-40 to 85,封装:SOT-23 (DBV)-6,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SNPB,TI官网LM2665M6的批量USD价格:0.445(1000+)
LM2665M6X,工作温度:-40 to 85,封装:SOT-23 (DBV)-6,包装数量MPQ:3000个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SNPB,TI官网LM2665M6X的批量USD价格:0.387(1000+)

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