LTC1044-Switched Capacitor Vol

发布日期:2023-01-26
LTC1044-Switched Capacitor Vol

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LTC1044,Co相关技术文章LTC1044-Switched Capacitor Vol

LTC1044描述The H (Metal Can), J (Ceramic), and K (Metal Can) Packages From Linear Technology Are Now Obsolete

The LTC1044 provides several voltage conversion functions: the input voltage can be inverted (VOUT=-VIN), doubled (VOUT=2 VIN), divided (VOUT=VIN/2) or multiplied (VOUT=±nVIN). Designed to be pin-for-pin and functionally compatible with the popular 7660, the LTC1044 provides significant features and improvements over earlier 7660 designs. These improvements include: full 1.5V to 9V supply operation over the entire operating temperature range, without the need for external protection diodes; 21/2 times lower quiescent current for greater power conversion efficiency; and a "boost" function which is available to raise the internal oscillator frequency to optimize performance in specific applications. Although the LTC1044 provides significant design and performance advantages over the earlier 7660 device, it still maintains its compatibility with existing 7660 designs.

LTC1044特点Plug-In Compatible with 7660 with These Additional Features: Guaranteed Operation to 9V, with No External Diode, Over Full Temperature Range Boost Pin (Pin 1) for Higher Switching Frequency Lower Quiescent Power Efficient Voltage Doubler 200µA Max. No Load Supply Current at 5V 97% Min. Open Circuit Voltage Conversion Efficiency 95% Min. Power Conversion Efficiency Wide Operating Supply Voltage Range, 1.5V to 9V Easy to Use Commercial Device Guaranteed Over -40°C to 85°C Temperature Range

Typical Application

LTC1044封装SO-8

LTC1044应用Conversion of +5V to ±5V Supplies Precise Voltage Division, VOUT=VIN/2±20ppm Voltage Multiplication, VOUT=±nVIN Supply Splitter, VOUT=±VS2

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