Download the OB2263 datasheet PDF.
This datasheet also covers the OB2263_On variant, as both devices belong to the same current mode pwm controller family and are provided as variant models within a single manufacturer datasheet.
General Description
OB2263 is a highly integrated current mode PWM control IC optimized for high performance, low standby power and cost effective offline flyback converter applications in sub 30W range.
PWM switching frequency at normal operation is externally programmable and trimmed to tight range.
Key Features
On-Bright Proprietary Frequency Shuffling Technology for Improved EMI Performance.
Extended Burst Mode Control For Improved Efficiency and Minimum Standby Power Design.
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-
Recovery o VDD Over Voltag.
Full PDF Text Transcription for OB2263 (Reference)
Note: Below is a high-fidelity text extraction (approx. 800 characters) for
OB2263. For precise diagrams, and layout, please refer to the original PDF.
OB2263 Current Mode PWM ControllerFrequency Shuffling GENERAL DESCRIPTION OB2263 is a highly integrated current mode PWM control IC optimized for high performance, low st...
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ted current mode PWM control IC optimized for high performance, low standby power and cost effective offline flyback converter applications in sub 30W range. PWM switching frequency at normal operation is externally programmable and trimmed to tight range. At no load or light load condition, the IC operates in extended ‘burst mode’ to minimize switching loss. Lower standby power and higher conversion efficiency is thus achieved. VDD low startup current and low operating current contribute to a reliable power on startup design with OB2263. A large value resistor could thus be used in the startup circuit to minimize the stan
OB2263 Datasheet
