OB2263 Datasheet - Kexin

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

OB2263-Kexin.pdf