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BL BL8851RoHS

Manufacturer
BLAsian Brands
MPN
BL8851
LCSC Part #
C314014
Packaging
SOT-23-6
Customer #
Key Attributes
Current Mode PWM Power Switch
Datasheetpdf iconBL BL8851
In-Stock: 300
300 In stock, ships now
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QtyUnit PriceTotal Amount
5+$ 0.103$ 0.52
50+$ 0.082$ 4.10
150+$ 0.0714$ 10.71
500+$ 0.0636$ 31.80
3,000+$ 0.0573$ 171.90
6,000+$ 0.0541$ 324.60
Standard Packaging3000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/AC DC Converters, Offline Switchers
ManufacturerBL
PackagingSOT-23-6
Operating Temperature-20℃~+85℃
Output Current-
Frequency - Switching60kHz~70kHz
Pd - Power Dissipation-
Voltage - Breakdown-
Voltage - Supply10V~30V
TopologyFlyback
FeaturesLight load efficient mode;EMI optimization (spread spectrum);Audio noise elimination;Slope compensation;Leading edge blanking;Under-voltage lockout;Over Voltage Protection;Overtemperature protection (OTP);Under Voltage Protection;Over Current Protection
Output Voltage-
Duty Cycle(Max)80%
Working ModePWM Modulation
Feedback SystemSecondary-Side Feedback
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Additional Information

TypeDetails
Minimum5
Multiple5
Standard Packaging3000
Sales UnitPiece

Introduction

AI Translation

BL8851 combines a dedicated current mode PWM controller. It is optimized for high performance, low standby power, and cost effective off- line flyback 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.

Features

AI Translation
  • 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
  • Internal Synchronized Slope Compensation
  • 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

AI Translation
  • Offline AC/DC flyback converter for
  • AC/DC adapter
  • PDA power supplies
  • Digital Cameras and Camcorder Adapter
  • VCR, SVR, STB, DVD&DVCD Player
  • SMPS Set-Top Box Power
  • Auxiliary Power Supply for PC and Server
  • Open-frame SMPS