ISL9440A Datasheet | Renesas

features . PART NUMBER ISL9440 ISL9441 EARLY WARNING SWITCHING FREQUENCY (k Hz) Features - Three integrated synchronous buck PWM controllers - Internal bootstrap diodes - Internal pensation - Internal soft-start - Independent control for each regulator and programmable output voltages; independent enable/shutdown - Fixed Switching Frequency: 300k Hz (ISL9440, ISL9441); 600k Hz (ISL9440A) - Adaptive shoot through protection on all synchronous buck controllers - Independently programmable voltage outputs - Out-of-phase switching to reduce input capacitance (0°/180°/0°) - No external current sense resistor - Uses lower MOSFET’s r DS(ON) - Current mode controller with voltage feed forward - plete protection - Overcurrent, overvoltage, undervoltage lockout, over-temperature - Cycle-by-cycle current limiting - Wide input voltage range - Input rail powers VIN Pin: 5.6V to 24V - Input rail powers VCC_5V Pin (VIN tied to VCC_5V, for 5V input applications): 4.5V to 5.6V - Early warning (ISL9440, ISL9440A) on input voltage failure - Integrated reset function (ISL9440, ISL9440A) - Pb-free (Ro HS pliant) Applications - Satellite and cable set-top boxes - Cable modems - Vo X gateway devices - NAS/SAN...