onsemi 35-Pin, PQFN 5-Channel PWM Controller, 1 MHz, 65V, Surface

FAN65004B is a wide VIN highly efficient synchronous buck regulator, with integrated high side and low side power MOSFETs. The device incorporates a fixed frequency voltage mode PWM controller supporting a wide voltage range from 4.5 V to 65 V and can handle continuous currents up to 6 A. FAN65004B includes a 0.67% accurate reference voltage to achieve tight regulation. The switching frequency can be programmed from 100 kHz to 1 Mhz.

• Supports wide range of applications
• Allows for optimization between size, efficiency, and maximum duty cycle
• Maintain voltage accuracy
• Best Efficiency at heavy loads and also at light loads
• Fully protected against voltage, current and temperature faults
• Improves efficiency by reducing power loss