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LTC1261CS8-4#PBF

LTC1261CS8-4#PBF Description

The LTC1261CS8-4#PBF is a high-performance, fixed-output negative voltage charge pump regulator from Analog Devices Inc. Designed for efficiency and compactness, this IC delivers a stable -4V output with a 12mA current capability, making it ideal for low-power applications. It operates over a wide 3V to 8V input range and features a 550kHz switching frequency, ensuring minimal external component requirements and reduced board space. Packaged in an 8-pin SOIC tube, the device is RoHS3 compliant and rated for 0°C to 70°C operation, suitable for industrial and consumer electronics.

LTC1261CS8-4#PBF Features

• Fixed -4V Output: Provides a precise negative voltage without external feedback components.
• High Efficiency Charge Pump: Operates at 550kHz, reducing ripple and improving transient response.
• Wide Input Range (3V–8V): Supports diverse power sources, including batteries and regulated supplies.
• Low External Component Count: Requires only two capacitors for operation, simplifying design.
• Compact 8-SOIC Package: Space-saving surface-mount form factor.
• Robust Compliance: ROHS3 compliant and REACH unaffected, meeting environmental standards.
• No Synchronous Rectifier Needed: Reduces complexity and cost compared to buck-boost alternatives.

LTC1261CS8-4#PBF Applications

• Portable Electronics: Ideal for generating negative bias in LCD displays, sensors, and audio circuits from single-cell Li-ion or 5V supplies.
• Data Acquisition Systems: Provides clean negative rails for op-amps, ADCs, and signal conditioning circuits.
• Industrial Controls: Suitable for low-noise analog circuits where space and efficiency are critical.
• Consumer Devices: Used in handheld instruments, battery-powered gadgets, and other compact systems requiring minimal external components.

Conclusion of LTC1261CS8-4#PBF

The LTC1261CS8-4#PBF stands out for its simplicity, efficiency, and compact design, offering a reliable negative voltage solution without the complexity of inductive regulators. Its wide input range, low component count, and high switching frequency make it a superior choice for space-constrained and power-sensitive applications. Whether in portable electronics, industrial systems, or precision analog circuits, this charge pump delivers consistent performance while adhering to stringent environmental and operational standards.