Datasheet Details
Part number:
OB2278, OB2278-On
Manufacturer:
On-Bright
File Size:
302.94 KB
Description:
Current mode pwm controller.
Note:
This datasheet PDF includes multiple part numbers: OB2278, OB2278-On.
Please refer to the document for exact specifications by model.
OB2278, OB2278-On, Current Mode PWM Controller
OB2278 is a highly integrated current mode PWM control IC optimized for high performance, low standby power and cost effective offline flyback converter applications.
PWM switching frequency at normal operation is externally programmable and trimmed to tight range.
At no load or light load condition
OB2278 Features
* Power On Soft Start 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 VIN/VDD Startup Current(3uA) and Low Operating Curren
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