Datasheet4U Logo Datasheet4U.com
OB2269 integrated circuit image

OB2269 Datasheet

The OB2269 is a Current Mode PWM Controller. Download the datasheet PDF and view key features and specifications below.

Part NumberOB2269
ManufacturerLITEON
Overview OB2268/9 is a highly integrated current mode PWM control IC optimized for high performance, low standby power and cost effective offline flyback converter applications in above 20W power level. PWM sw.
* 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(4uA) and Low Operating Current (2.3mA)
* Leading Edge Blanking .
Part NumberOB2269
DescriptionPWM controller
ManufacturerJSMICRO
Overview The OB2269 is a highly integrated currentmode  Low start-up current and low operating PWM controller IC for those high output current. power of off line flyback convertor. The output  Comprehens. CR
* Digit frequency shuffling technology to O improve EMI performance. 2、Over voltage protection (OVP) on VDD. 3、Cycle-by-Cycle current limitation 4、Over load protection (OLP) 5、Over temperature protection (OTP)
* Current limitation compensation to obtain the same output current in
*
*
*
* Exter.
Part NumberOB2269
DescriptionFlyback switching power supply applications
ManufacturerOn-Bright
Overview OB2268/OB2269 OB2268/OB2269 - ．: ，， OB2268/OB2269 ，， 。OB2268/OB2269 ，： ▲ ：OB2268/OB2269 ， ( 1/30 ) 。 ▲： OB2268/OB2269 ， 。。 ▲ ：OB2268/OB2269 VIN/VDD 4uA， ，。 ▲ ：OB2268/OB2269 2.3mA，， 。 ▲ ：（LEB. 。 2） ： 7 VDD ， 2， 3： AC IN EMI R1 Filter R2 D1 C1 BD1 VDD OB2268/69 GND R3 R4 C2 D2 AC IN EMI Filter C2 BD1 R1 R2 VDD OB2268/69 GND D1 R3 C1 2 3 1.2 ： RIN VDD C1 ， VDD VTH(ON)（ 16.5V） 。 3 ： ： ⎡ T ⎤D _ ON V V I R eVTH (ON ) = ( − dc ⋅ DDST IN ) ⎢1 ⎢⎣ − RIN⋅C1 ⎥ ⎥⎦.

Similar Datasheets

Part Number Manufacturer Description
OB2269CP LITEON Current Mode PWM Controller
OB2269C On-Bright Current Mode PWM Controller