PCS IR4427S IR2153S IR2104S IR1150 IR2011S IR2106S SOP-8 High-Speed MOSFET Driver IC

$5.28 USD

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IR Series SOP-8 High-Speed MOSFET Gate Driver ICs

International Rectifier (now Infineon) gate driver ICs are the industry standard for driving power MOSFETs and IGBTs in switching power supplies, motor drives, inverters, and class-D audio amplifiers. This listing covers six popular IR series gate drivers in SOP-8 SMD packages — select the specific IC you need from the variant options.

IC Selection Guide

IR2104S — Half-bridge gate driver, single input + SD pin, bootstrap high-side drive. 600V, 130mA/270mA output. For DC motor drives, half-bridge converters, and synchronous rectifiers.
IR2153S — Self-oscillating half-bridge driver with built-in RC oscillator. No MCU needed. 600V, 250mA/500mA. For electronic ballasts, resonant converters, and DIY inverters.
IR4427S — Dual low-side MOSFET driver, non-inverting, 1.5A peak output, 200ns delay. For full-bridge and push-pull topologies.
IR2106S — Half-bridge driver with separate HIN/LIN inputs and SD pin. 600V, 120mA/260mA. For half-bridge and full-bridge motor drives.
IR2011S — Half-bridge driver, 600V, 290mA/600mA output. Higher current for larger MOSFETs in high-power inverters.
IR1150S — Single-phase PFC controller with integrated gate driver. For boost PFC pre-regulators in AC-DC power supplies.

General Specifications

Package: SOP-8 (SMD, 1.27mm pitch)
Offset Voltage: Up to 600V (bootstrap high-side)
Logic Supply (VCC): 10–20V
Logic Input: CMOS/TTL compatible
Propagation Delay: 130–680ns (varies by device)
Operating Temperature: −40°C to +125°C
Quantity: 5 pieces per pack

Bootstrap High-Side Drive Explained

IR2104S, IR2153S, and IR2106S use a bootstrap capacitor to generate the high-side gate drive voltage above the bus rail. The bootstrap diode charges the capacitor during the low-side on-time, enabling true high-side N-channel MOSFET switching without an isolated gate drive supply — simplifying half-bridge design significantly.

IR2153S Self-Oscillating Operation

The IR2153S integrates a deadtime-controlled oscillator set by a single external resistor (RT) and capacitor (CT): f = 1/(1.4 × RT × CT). This makes it ideal for fixed-frequency resonant converters and electronic ballasts where no microcontroller is available or desired.