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2 MHz Transformer Driver for Isolated Power Supplies

Photo Source: Richardson RFPD
Photo Source: Richardson RFPD

Richardson RFPD, Inc. has announced the availability and full design support capabilities for a new transformer driver from Peregrine Semiconductor Corporation.

The PE22100 is a push-pull driver for small transformers in isolated power supply applications. The new device drives the primary of a center-tapped transformer from a 3.0 V or 5 V supply to deliver an isolated power supply.

The driver consists of an on-chip oscillator with frequency set by an external capacitor. The oscillator output is divided-by-two in frequency to create anti-phase clock signals that drive two power switches. The device also contains an internal current limit and thermal cutout.

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It is designed for isolated power supply applications, including isolated data acquisition, industrial automation and instrumentation, isolated gate drivers and medical equipment.

Source: Richardson RFPD, Inc.

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