APW7065

APW7065 Synchronous Buck PWM Controller Features Single 12V Power Supply Required Fast Transient Response - 0~90% Duty Ratio 0.8V Reference with 1% Accuracy Shutdown Function by Controlling COMP Pin Voltage Internal Soft-Start (3.4ms) Function Voltage Mode PWM Control Design Under-Voltage Protection Over-Current Protection - Sense Low Side MOSFET’s RDS(ON) 300kHz Fixed Switching Frequency SOP-8 Package Lead Free and Green Devices Available (RoHS Compliant) Simplified Application Circuit 12V VIN APW7065 L VOUT Pin Configuration General Description The APW7065 uses fixed 300kHz switching frequency, voltage mode, and synchronous PWM controller which drives dual N-channel MOSFETs. The device integrates the control, monitoring and protection functions into a single package, provides one controlled power output with under-voltage and over-current protections. The APW7065 provides excellent regulation for output load variation. The internal 0.8V temperaturecompensated reference voltage is designed to meet the requirement of low output voltage applications. An built-in digital soft-start with fixed soft-start interval prevents the output voltage from overshoot as well as limiting the input current. The APW7065 with excellent protection functions: POR, OCP and UVP. The Power-On-Reset (POR) circuit can monitor VCC supply voltage exceeds its threshold voltage while the controller is running, and a built-in digital soft-start provides output with controlled...