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OB2276 - High Performance Current Mode PWM Controller

Download the OB2276 datasheet PDF. This datasheet also covers the OB2276-On variant, as both devices belong to the same high performance current mode pwm controller family and are provided as variant models within a single manufacturer datasheet.

General Description

OB2276 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 internally fixed and is trimmed to tight range.

Key Features

  • Power on Soft Start Reducing MOSFET Vds Stress.
  • Frequency shuffling for EMI.
  • Extended Burst Mode Control For Improved Efficiency and Minimum Standby Power Design.
  • Audio Noise Free Operation.
  • Fixed 65KHZ Switching Frequency.
  • Comprehensive Protection Coverage o VDD Under Voltage Lockout with Hysteresis (UVLO) o Cycle-by-cycle over current threshold setting for constant output power limiting over universal input voltage range o Overload Protection (OLP) with autorecov.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (OB2276-On-Bright.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number OB2276
Manufacturer On-Bright
File Size 143.50 KB
Description High Performance Current Mode PWM Controller
Datasheet download datasheet OB2276 Datasheet

📁 Similar Datasheet

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OB2203 Quasi-Resonant Flyback PWM Controller On-Bright Electronics
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Other Datasheets by On-Bright

Part Number Description
OB2273 High Performance Current Mode PWM Controller
OB2273A High Performance Current Mode PWM Controller
OB2278 Current Mode PWM Controller
OB2279 Current Mode PWM Controller
OB2211 Primary-Side Regulation PWM Power Switch

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
OB2276 High Performance Current Mode PWM Controller GENERAL DESCRIPTION OB2276 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 internally fixed and is 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 and low standby design with OB2276.