LM2664 - 开关电容器电压转换器

LM2664是TI德州仪器公司的一款电荷泵（无感应器）产品，LM2664是开关电容器电压转换器，本站介绍了LM2664的封装应用图解、特点和优点、功能等，并给出了与LM2664相关的TI元器件型号供参考。

LM2664 - 开关电容器电压转换器 - 电荷泵（无感应器） - DC/DC开关稳压器 - 德州仪器

产品特性

Inverts Input Supply Voltage
6-Pin SOT-23 Package
12-Ω Typical Output Impedance
91% Typical Conversion Efficiency at 40 mA
1-µA Typical Shutdown Current

产品应用

Cellular Phones
Pagers
PDAs
Operational Amplifier Power Suppliers
Interface Power Suppliers
Handheld Instruments

产品说明

The LM2664 CMOS charge-pump voltage converter inverts a positive voltage in the range of 1.8 V to 5.5 V to the corresponding negative voltage of −1.8 V to −5.5 V. The device uses two low-cost capacitors to provide up to 40 mA of output current.

The LM2664 operates at 160-kHz oscillator frequency to reduce output resistance and voltage ripple. With an operating current of only 220 µA (operating efficiency greater than 91% with most loads) and 1-µA typical shutdown current, the LM2664 provides ideal performance for battery-powered systems.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
LM2664	SOT-23 (6)	2.90 mm x 1.60 mm

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