OB2263 Datasheet (Kexin) - Current Mode PWM Controller

OB2263, Current Mode PWM Controller

P Ground I Feedback input pin.

The PWM duty cycle is determined by voltage level into this pin and SENSE pin input.

I Current sense input pin.

Connected to MOSFET current sensing resistor node.

P Chip DC power supply pin.

O Totem-pole gate drive output for the power MOSFET.

* Absolute Maximum R

OB2263 Features

* Audio Noise Free Operation

* External Programmable PWM Switching Frequency

* Internal Synchronized Slope Compensation

* Low VDD Startup Current and Low Operating Current (1.4mA)

* Leading Edge Blanking on Current Sense Input

* Good Protection Coverage With Auto Self-Recover