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Current Mode PWM Power Switch BL8851

◉ BL8851 combines a dedicated current mode PWM controller. It is optimized for high performance, low standby power, and cost effective off- line fly back converter applications in 40W~60W range.

◉ BL8851 offers complete protection coverage with automatic self-recovery feature including Cycle- by-Cycle current limiting (OCP),CS short protection, CS floating protection, over load protection (OLP), and VDD under voltage lockout (UVLO), over temperature protection (OTP), over voltage(fixed or adjustable)protection (OVP).

◉ The tone energy at below 20KHZ is minimized in the design and audio noise is eliminated during operation.

◉ BL8851 is offered in SOT23-6 package.

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product Features

● Power on Soft Start Reducing MOSFET Vds Stress

Having been in the industry for years, we know the market situation and industry requirements more clearly than most manufacturers.

● Frequency shuffling for EMI

We have accumulated extensive knowledge about the quality standards as well as market needs of thesecountries.

● Extended Burst Mode Control For Improved Efficiency and Minimum Standby Power Design.

● Audio Noise Free Operation

● Fixed 65KHZ Switching Frequency

● Leading Edge Blanking on Current Sense Input

● Good Protection Coverage With Auto Self Recovery

● VDD Under Voltage Lockout with Hysteresis(UVLO)

● Over Temperature Protection (OTP) with auto-recovery

● Cycle-by-cycle over current threshold setting for constant output power limiting over universal input voltage range.

● Overload Protection (OLP) with auto- recovery

● Over voltage Protection(OVP) with auto-recovery

● Adjustable OVP through external Zener

Applications

AC/DC adapter

We are able to respond to acute market trend by conducting feasible industry anaysis.

PDA power supplies

We are able to respond to acute market trend by conducting feasible industry anaysis.

Digital Cameras and Camcorder Adapter

We are able to respond to acute market trend by conducting feasible industry anaysis.

VCR, SVR, STB, DVD&DVCD Player SMPS

We are able to respond to acute market trend by conducting feasible industry anaysis.

Set-Top Box Power

Auxiliary Power Supply for PC and Server

Open-frame SMPS

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Chengdu Eshine Technology was established in 2009. It is an overall solution provider integrating brand agency of electronic components and technical support services.

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● Fast prototype in 1 week

● Fast delivery in 35-40 days

Get in touch with us

+86 28 86519933

info@eshine-cd.com

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Chengdu Eshine Technology was established in 2009. It is an overall solution provider integrating brand agency of electronic components and technical support services.

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Tel: +86 28 86519933

Email: info@eshine-cd.com

Company Address: No. 101, Building 22, Zhongjian Jinyuanhui Plaza, No. 299 Yinglong South Road 1, Gaoxin District, Chengdu, China