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LTC3260IDE

LTC3260IDE Description

The LTC3260IDE from Analog Devices Inc. is a high-performance inverting charge pump regulator designed for applications requiring efficient voltage conversion. Housed in a compact 14-DFN package, this IC operates over a wide input voltage range of 4.5V to 32V, delivering an adjustable negative output voltage with up to 100mA of output current. With a switching frequency range of 50kHz to 500kHz, it balances efficiency and noise performance, making it suitable for noise-sensitive environments. The device is classified as Obsolete but remains relevant for legacy designs due to its robust performance and reliability.

LTC3260IDE Features

• Topology: Inverting charge pump for simple negative voltage generation.
• Wide Input Range: Supports 4.5V to 32V, accommodating diverse power sources.
• Adjustable Output: User-configurable negative output voltage with 100mA current capability.
• Frequency Flexibility: Operates at 50kHz–500kHz, enabling optimization for efficiency or noise.
• Compact Package: 14-DFN surface-mount design saves board space.
• No Sequencer/Supervisor: Simplified design for applications without complex power sequencing needs.
• Low Moisture Sensitivity: MSL 1 (Unlimited) ensures ease of handling and storage.

LTC3260IDE Applications

• Industrial Systems: Powering op-amps, sensors, and data acquisition systems requiring negative rails.
• Portable Devices: Efficiently generates negative bias for LCD displays or audio circuits.
• Test & Measurement: Provides clean, regulated negative supplies for precision instrumentation.
• Legacy Designs: Ideal for maintaining or upgrading older systems where newer alternatives may not be pin-compatible.

Conclusion of LTC3260IDE

The LTC3260IDE is a versatile, albeit obsolete, charge pump regulator offering a simple, efficient solution for inverting voltage conversion. Its wide input range, adjustable output, and compact form factor make it suitable for industrial, portable, and precision applications. While newer alternatives may exist, its proven performance ensures continued relevance in specific use cases. Engineers seeking a reliable negative voltage generator with moderate current capability should consider this IC for legacy or space-constrained designs.