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NJU7660V from NJU

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NJU7660V

Manufacturer: NJU, JRC

VOLTAGE CONVERTER

Partnumber Manufacturer Quantity Availability
NJU7660V NJU, JRC 22448 In Stock

Description and Introduction

VOLTAGE CONVERTER The NJU7660V is a versatile voltage converter IC designed for efficient DC-DC voltage inversion and multiplication. Manufactured by New Japan Radio (NJR), this CMOS-based charge pump is widely used in applications requiring negative voltage generation from a positive supply, such as in operational amplifier biasing, LCD displays, and sensor circuits.  

With a low operating voltage range of 1.5V to 10V, the NJU7660V is suitable for battery-powered and portable devices. Its high conversion efficiency and minimal external component requirements make it a practical choice for space-constrained designs. The IC features a built-in oscillator, eliminating the need for external timing components, and supports a switching frequency of up to 10kHz.  

Key advantages include low power consumption, a compact package (DIP-8 or SOP-8), and reliable performance across industrial temperature ranges. Unlike inductive converters, the NJU7660V operates without inductors, reducing electromagnetic interference (EMI) concerns.  

Engineers favor this component for its simplicity and cost-effectiveness in generating small negative voltages. Whether used in audio circuits, data acquisition systems, or portable instrumentation, the NJU7660V provides a dependable solution for voltage inversion needs.

Application Scenarios & Design Considerations

VOLTAGE CONVERTER

Alternative Part Number

  • ICL7660CPA --: Industry-standard pin-compatible CMOS voltage converter equivalent to the NJU7660V, widely available and well documented.
  • TC7660CPA --: Direct functional replacement for the 7660 charge-pump voltage converter in an 8-pin DIP package, with similar electrical specifications.
  • LTC1044CN8 --: Pin-compatible switched-capacitor voltage converter offering comparable inversion and multiplication functions as a higher-performance alternative.

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