Know more about this featured component. Microchip Technology MCP14T0517 Push-Pull Transformer Drivers are designed for compact, isolated power supplies operating from a 3VDC to 5.5VDC input. The Microchip MCP14T0517 drivers integrate two power MOSFETs and are capable of driving push-pull, center-tapped transformers directly from the supply. The devices feature an internal oscillator followed by a gate-drive stage that delivers complementary outputs for ground-referenced N-channel power switches. Each switch includes a controlled voltage slew-rate, and the oscillator employs frequency dithering to help reduce EMI. An external clock source may also be used when precise harmonic placement or synchronization with multiple transformer drivers is required. Built-in protection capabilities include a typical 2.5A peak current limit, undervoltage lockout (UVLO), thermal shutdown, and dead-time control for the switching devices. A soft-start function is included to limit inrush current during startup, particularly when large output capacitors are present. Two switching-frequency options are available: MCP14T0517A operates at 150kHz for reduced EMI, and MCP14T0517B operates at 450kHz for designs requiring smaller transformers. The MCP14T0517 drivers are offered in a compact 6-pin SOT-23 package and are specified for operation across a -40°C to +125°C temperature range.
