XT1861B332MR-G Power Management IC | NATLINEAR

XT1861 Series | Low-Power High-Efficiency PFM Step-Up DC-DC Converter

The XT1861 series is a high-frequency, PFM-controlled, step-up DC-DC converter designed for low-power, battery-driven applications. With only three external components required, the XT1861 offers a compact, cost-effective, and efficient solution for converting low input voltages from 1–3 dry-cell batteries into stable higher output voltages.

Engineered for low ripple, high efficiency, and reliable performance, the XT1861 is widely used in consumer electronics, medical devices, and portable equipment.

Key Features:

• Step-Up DC-DC Converter (Boost Topology)

• High-Frequency PFM Control for improved efficiency

• Low Ripple & Low Power Consumption

• Requires only three external components for operation

• Optimized for battery-powered devices (1–3 dry cells input)

Applications:

• Digital cameras

• Electronic dictionaries

• IFD devices

• Blood pressure monitors

• MP3 players, handheld audio devices

• Remote controls

• Wireless headsets, mice & keyboards

• Medical equipment

• Anti-lost devices & car anti-theft systems

• Portable chargers

• VCRs, PDAs & other handheld electronics