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OB2358 Datasheet

Part Number OB2358
Manufacturers On-Bright Electronics
Logo On-Bright Electronics
Description Current Mode PWM Power Switch
Datasheet OB2358 DatasheetOB2358 Datasheet (PDF)

OB2358 Current Mode PWM Power Switch GENERAL DESCRIPTION OB2358 combines a dedicated current mode PWM controller with a high voltage power MOSFET. It is optimized for high performance, low standby power, and cost effective off-line flyback converter applications in sub 27W range. OB2358 offers complete protection coverage with automatic self-recovery feature including Cycle-byCycle current limiting (OCP), over load protection (OLP), VDD over voltage clamp and under voltage lockout (UVLO). Excell.

  OB2358   OB2358






Part Number OB2358
Manufacturers TGS
Logo TGS
Description Built-in high voltage MOSFET current-mode PWM controller
Datasheet OB2358 DatasheetOB2358 Datasheet (PDF)

TIGER ELECTRONIC CO.,LTD MOSFET PWM / / / : OB2353 / / / MOSF E T PW M 。 ,。 ,, 。 6 5 K Hz , , E MI。 4 m s , ,。 。,,。, ,。 OB2353 / 235 4/ 235 5/ 2358 D I P 8 。 DIP8-300-2.54 : MOSFET ( 5μ A) ( 1.5mA) 20W “ N o Y - C A P” EMI 、 (Burst Mode) : ● ● DVD/DVB/ / / ● ● www. Silicore. com. cn 1/8 CHMC Free Datasheet http://www.datasheet4u.com/ Silicore : Vcc 5V OB23.

  OB2358   OB2358







Current Mode PWM Power Switch

OB2358 Current Mode PWM Power Switch GENERAL DESCRIPTION OB2358 combines a dedicated current mode PWM controller with a high voltage power MOSFET. It is optimized for high performance, low standby power, and cost effective off-line flyback converter applications in sub 27W range. OB2358 offers complete protection coverage with automatic self-recovery feature including Cycle-byCycle current limiting (OCP), over load protection (OLP), VDD over voltage clamp and under voltage lockout (UVLO). Excellent EMI performance is achieved with On-Bright proprietary frequency shuffling technique together with soft switching control at the totem pole gate drive output. www.DataSheet4U.com The tone energy at below 20KHZ is minimized in the design and audio noise is eliminated during operation. OB2358 is offered in DIP8 package. ■ ■ Freq Shuffling Fixed 50KHZ Switching Frequency Internal Synchronized Slope Compensation ■ Low VDD Startup Current and Low Operating Current ■ Leading Edge Blanking on Current Sense Input ■ Good Protection Coverage With Auto SelfRecovery o VDD Over Voltage Clamp and Under Voltage Lockout with Hysteresis (UVLO) o On-Bright Proprietary Line Input Compensated Cycle-by-Cycle Over-current Threshold Setting For Constant Output Power Limiting Over Universal Input Voltage Range. o Overload Protection (OLP). o Over voltage Protection(OVP) APPLICATIONS Offline AC/DC flyback converter for ■ AC/DC adaptor ■ PDA power supplies ■ Digital Cameras and Camcorder Adaptor ■ VCR, S.


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