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Leadtrend LD5537B1GL product image
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Leadtrend LD5537B1GLRoHS

Manufacturer
LeadtrendAsian Brands
MPN
LD5537B1GL
LCSC Part #
C2923670
Packaging
SOT-26
Customer #
Key Attributes
250mA 200mW 8.5V~26.5V Flyback SOT-26 AC DC Converters, Offline Switchers RoHS
Datasheetpdf iconLeadtrend LD5537B1GL
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Minimum: 1Multiple: 1Sales Unit: Piece
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QtyUnit Price(Reference Only)Total Amount
1+$ 0.2859$ 0.29
10+$ 0.2263$ 2.26
30+$ 0.2008$ 6.02
100+$ 0.1689$ 16.89
500+$ 0.1547$ 77.35
1,000+$ 0.1462$ 146.20
Standard Packaging3000/Full Reel
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/AC DC Converters, Offline Switchers
ManufacturerLeadtrend
PackagingSOT-26
Operating Temperature-40℃~+125℃
Output Current250mA
Frequency - Switching100kHz;24kHz
Pd - Power Dissipation200mW
Voltage - Breakdown-
Voltage - Supply8.5V~26.5V
TopologyFlyback
FeaturesSoft-start;Over Voltage Protection;Short Circuit Protection;Overtemperature protection (OTP);Under Voltage Protection
Output Voltage-
Duty Cycle(Max)81%
Working ModeCCM
Feedback SystemSecondary-Side Feedback
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Introduction

AI Translation

The LD5537B1/I1 is built-in with several functions, protection and EMI-improved solution in a tiny package. It takes less components counts or circuit space, especially ideal for those total solutions of low cost. The implemented functions include low startup current, green-mode power-saving operation, leading-edge blanking of the current sensing and internal slope compensation. It also features more protections like OLP (Over Load Protection)、OVP (Over Voltage Protection) and AC BNI / BNO to prevent circuit damage occurred under abnormal conditions. Furthermore, the frequency swapping function is to reduce the noise level and thus helps the power circuit designers to easily deal with the EMI filter design by spending minimum amount of component cost and developing time.

Features

AI Translation
  • High-Voltage CMOS Process with Excellent ESD protection
  • Very Low Startup Current (<3μA)
  • Multi-Mode PWM controller
  • Current Mode Control
  • Green Mode Control
  • UVLO (Under Voltage Lockout)
  • LEB (Leading-Edge Blanking) on CS Pin
  • Internal Frequency Swapping, Slop Compensation
  • OVP (Over Voltage Protection) on VCC and CS Pin Adjustment input
  • AC BNI / BNO
  • OLP (Over Load Protection)
  • OSCP (Output Short Circuit Protection)
  • 250mA/-500mA Driving Capability

Applications

AI Translation
  • Switching AC/DC Adaptor and Battery Charger
  • Open Frame Switching Power Supply