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Description
Half Bridge Driver, LO In Phase with RT, Programmable Oscillating Frequency, 0.6us Deadtime in a 8-lead SOIC package and different phase
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Features
● Integrated 600V half-bridge gate driver
● 15.6V zener clamp on Vcc
● True micropower start up
● Tighter initial deadtime control
● Low temperature coefficient deadtime
● Shutdown feature (1/6th Vcc) on CT pin
● Increased undervoltage lockout Hysteresis (1V)
● Lower power level-shifting circuit
● Constant LO, HO pulse widths at startup
● Lower di/dt gate driver for better noise immunity
● Low side output in phase with RT
● Internal 50nsec (typ.) bootstrap diode (IR21531D)
● Excellent latch immunity on all inputs and outputs
● ESD protection on all leads
● Also available LEAD-FREE
Description
The IR21531(D)(S) are an improved version of the popular IR2155 and IR2151 gate driver ICs, and incorporates a high voltage half-bridge gate driver with a front end oscillator similar to the industry standard CMOS 555 timer. The IR21531 provides more functionality and is easier to use than previous ICs. A shutdown feature has been designed into the CT pin, so that both gate driver outputs can be disabled using a low voltage control signal. In addition, the gate driver output pulse widths are the same once the rising undervoltage lockout threshold on VCC has been reached, resulting in a more stable profile of frequency vs time at startup. Noise immunity has been improved significantly, both by lowering the peak di/dt of the gate drivers, and by increasing the undervoltage lockout hysteresis to 1V. Finally, special attention has been payed to maximizing the latch immunity of the device, and providing comprehensive ESD protection on all pins.
Preview of the first 3 pages of the data sheet
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10000 buyer reviews from United States
Margaret Gray
Length of registration:7 years
The IR21531STRPBF is an integrated circuit designed for high-performance applications. It features low on-resistance, low gate charge, and low capacitance, making it ideal for use in high-speed switching applications. It also offers protection against over-voltage, over-current, and over-temperature conditions, making it a reliable and durable choice.
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03/17/2023
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IR21531S
IR21531S has several brands around the world that may have alternate names for IR21531S due to regional differences or acquisition. IR21531S may also be known as the following names:
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Stock Status: 10000
Minimum: 2
Total Price:
Unit Price:1.84410
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