Synchronizing Current Mode PWM For Subscriber Line Interface Circuits (SLICs)

The ISL6401 adjustable frequency, low power, pulse width modulating (PWM) current mode controller is designed for a wide range of DC-DC conversion applications including boost, flyback, and isolated output configurations. The device is optimized to provide a high performance, low-cost solution for Ringing SLIC (RSLIC) ring and talk power supplies. An integrated inverter allows for easy design of negative voltage regulation circuits with a minimal amount of external components. Internal soft start minimizes start-up stress without any external components. Peak current mode control effectively handles Ring trip transients and provides inherent over-current protection.
This advanced BiCMOS design features low operating current, adjustable operating output frequency (50kHz to 600kHz), internal soft-start and a SYNC input that allows the Oscillator to be locked to an external Clock for noise sensitive applications. DC-DC conversion efficiency is optimized by use of a low Current Sense voltage. A Logic level shutdown input is included, which reduces supply current to 55A in the shutdown mode.
By Intersil Corporation
Part Manufacturer Description Datasheet Samples
IFLY001 Coilcraft Inc Transformer, for Intersil ISL6401, SMT, RoHS
ISL6401 's PackagesISL6401 's pdf datasheet
ISL6401CB SOIC
ISL6401CB-T SOIC
ISL6401CBZ SOIC
ISL6401CBZ-T SOIC
ISL6401CR QFN
ISL6401CR-T QFN
ISL6401CRZ QFN
ISL6401CRZ-T QFN




ISL6401 Pinout, Pinouts
ISL6401 pinout,Pin out
This is one package pinout of ISL6401,If you need more pinouts please download ISL6401's pdf datasheet.

ISL6401 Application circuits
ISL6401 circuits
This is one application circuit of ISL6401,If you need more circuits,please download ISL6401's pdf datasheet.


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ISL6401 Pb-Free ISL6401 Cross Reference ISL6401 Schematic ISL6401 Distributor
ISL6401 Application Notes ISL6401 RoHS ISL6401 Circuits ISL6401 footprint