ISL6742

• Synchronous Rectifier Control Outputs with Adjustable Delay/AdvanceSynchronous rectification control output and adjustable delay/progression
• Adjustable Average Current SignalThe average current signal can be adjusted
• 3% Tolerance Cycle-by-Cycle Peak Current Limit3% tolerance cycle-by-cycle peak current limit
• Fast Current Sense to Output DelayFast current detects the delay of the output
• Adjustable Oscillator Frequency Up to 2MHzAdjustable oscillator frequency up to 2MHz
• Adjustable Deadtime ControlAdjustable dead time control
• Voltage- or Current-Mode OperationVoltage or current mode operation
• Separate RAMP and CS Inputs for Voltage Feed-Forward or Current-Mode ApplicationsChief Secretary for RAMP and independent voltage feed-forward or current input mode applications
• Tight Tolerance Error Amplifier Reference Over Line, Load, and TemperatureThrough-line tight fault tolerance, reference and temperature of the load amplifier
• 175μA Start-up Current175μA start-up current
• Supply UVLOThe power supply is undervoltage lockout
• Adjustable Soft-StartAdjustable soft-start
• 70ns Leading Edge Blanking70NS Ball Valve Leading Edge Blanking
• Multi-Pulse SuppressionMulti-pulse suppression
• Internal Over-Temperature ProtectionInternal over-temperature protection
• Pb-Free (RoHS Compliant)Pb-free (RoHS compliant)

The ISL6742 is a high-performance double-ended PWM controller with advanced synchronous rectifier control and current limit features.The ISL6742 is a high-performance advanced synchronous rectification control and current limit function dual-ended PWM controller. It is suitable for both current- and voltage-mode control methods.It is suitable for both current and voltage mode control methods.

The ISL6742 includes complemented PWM outputs for synchronous rectifier (SR) control.Includes the supplemental ISL6742 as a control PWM output for synchronous rectification (SR). The complemented outputs may be dynamically advanced or delayed relative to the main outputs using an external control voltage.The compensable output can be dynamically advanced or deferred relative to the primary output using an external control voltage.

Its advanced current sensing circuitry employs sample and hold methods to provide a precise average current signal.Its advanced current sensing circuitry uses a sample-and-hold method to provide an accurate average current signal. Suitable for average current limiting, a technique which virtually eliminates the current tail-out common to peak current limiting methods, it is also applicable to current sharing circuits and average current mode control.Applicable to Average Current Limit, a technique that virtually eliminates the current tail out common peak current limiting method, it is also suitable for AC circuit current and average current mode control.

This advanced BiCMOS design features an adjustable oscillator frequency up to 2MHz, internal over-temperature protection, precision deadtime control, and short propagation delays.This advanced BiCMOS design features adjustable oscillator frequency up to 2MHz, internal overtemperature protection, precise dead-time control, and short propagation delay. Additionally, Multi-Pulse Suppression ensures alternating output pulses at low duty cycles where pulse skipping may occur.In addition, multiple pulse rejection alternately ensures that output pulses may occur where low duty cycle pulse skips occur.