ISL6615A

The ISL6615A is a high-speed MOSFET driver optimized to drive upper and lower power N-Channel MOSFETs in a synchronous rectified buck converter topology. The features of ISL6615A are as follows: (1)Dual MOSFET Drives for Synchronous Rectified Bridge; (2)Advanced Adaptive Zero Shoot-Through Protection; (3)Adjustable Gate Voltage for Optimal Efficiency; (4)36V Internal Bootstrap Schottky Diode; (5)Bootstrap Capacitor Overcharging Prevention.

The following is about the absolute maximum ratings of ISL6615A: (1)Supply Voltage (VCC): 15V; (2)Supply Voltage (PVCC): VCC + 0.3V; (3)BOOT Voltage (VBOOT-GND): 36V; (4)Input Voltage (VPWM): GND - 0.3V to 7V; (5)UGATE: VPHASE - 0.3VDC to VBOOT + 0.3V; (6)VPHASE - 3.5V (<100ns Pulse Width, 2J) to VBOOT + 0.3V; (7)LGATE: GND - 0.3VDC to VPVCC + 0.3V; (8)GND - 5V (<100ns Pulse Width, 2J) to VPVCC + 0.3V; (9)PHASE: GND - 0.3VDC to 15VDC; (10)GND - 8V (<400ns, 20J) to 30V (<200ns, VBOOT-GND < 36V)); (11)ESD Rating; (12)Human Body Model: Class I JEDEC STD.

The electrical characteristics of the ISL6615A are: (1)Bias Supply Current: 4.5mA at fPWM = 300kHz, VVCC = 12V; (2)Gate Drive Bias Current: 8mA at fPWM = 300kHz, VPVCC = 12V; (3)VCC Rising Threshold: 6.1 V min, 6.4 V typ and 6.7 V max; (4)VCC Falling Threshold: 4.7 V min, 5.0 V typ and 5.3 V max; (5)Input Current: 510 A at VPWM = 5V, -475 A at VPWM = 0V; (6)PWM Rising Threshold: 3.00V at VCC = 12V; (7)PWM Falling Threshold: 2.00V at VCC = 12V - 2.00 - V; (8)Typical Tri-State Shutdown Window: 1.80V min and 2.40V max at VCC = 12V; (9)Tri-State Lower Gate Falling Threshold: 1.50V at VCC = 12V.