The OB2203CPA is a switching controller from On-Bright. It is a RoHS (Lead and Halogen Free) compliant, 8-lead surface-mount Small Outline Integrated Circuit (SOIC) package with a standard 150 mil body width. It has a high-output current capability of 6.0A, excellent EMI characteristics, and a minimum startup current of 250µA. Its switching frequency is adjustable between 200KHz and 1MHz and its thermal shutdown protection allows maximum operational reliability. With its fast transient response and low duty cycle deviation, the OB2203CPA is suitable for use in high-performance and high-efficiency switching applications such as DC-DC converters, power factor correction, motor control, etc.