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Leadtrend LD5537GLRoHS

Manufacturer
LeadtrendAsian Brands
MPN
LD5537GL
LCSC Part #
C2923669
Packaging
SOT-23-6
Customer #
Key Attributes
200mW 8.5V~26.5V Flyback SOT-23-6 AC DC Converters, Offline Switchers RoHS
Datasheetpdf iconLeadtrend LD5537GL
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Minimum: 1Multiple: 1Sales Unit: Piece
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QtyUnit Price(Reference Only)Total Amount
1+$ 0.4187$ 0.42
10+$ 0.3311$ 3.31
30+$ 0.2937$ 8.81
100+$ 0.2483$ 24.83
500+$ 0.2272$ 113.60
1,000+$ 0.2142$ 214.20
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-23-6
Operating Temperature-40℃~+85℃
Output Current-
Frequency - Switching62kHz~68kHz;123kHz~137kHz;20kHz~26kHz
Pd - Power Dissipation200mW
Voltage - Breakdown-
Voltage - Supply8.5V~26.5V
TopologyFlyback
FeaturesSoft-start;Over Voltage Protection;Short Circuit Protection;Overtemperature protection (OTP);Over Current Protection;Under Voltage Protection
Output Voltage-
Duty Cycle(Max)85%
Feedback SystemSecondary-Side Feedback
Working ModePWM Modulation
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Introduction

AI Translation

The LD5537 integrates multiple functions, protection mechanisms, and EMI improvement solutions in a compact package. It reduces component count and board space, making it particularly suitable for low-cost overall solutions. Implemented features include low startup current, green mode power-saving operation, leading-edge blanking for current sensing, and internal slope compensation. It also provides additional protection features such as over-power protection, over-current protection, output short-circuit protection, and over-voltage protection to prevent circuit damage under abnormal conditions. Furthermore, the frequency jitter function reduces noise levels, helping power supply circuit designers easily handle EMI filter design with minimal component cost and development time.

Features

AI Translation
  • High-voltage CMOS process with excellent ESD protection
  • Ultra-low startup current (< 12μA)
  • Current mode control
  • Green mode control
  • Under-voltage lockout
  • Variable frequency technology at ~130kHz
  • Leading-edge blanking on CS pin
  • Internal frequency dithering
  • Internal slope compensation
  • OVP on VCC pin
  • Under-voltage/recovery function
  • Over-power protection
  • Over-current protection
  • Short-circuit protection
  • 300mA/-500mA drive capability

Applications

AI Translation
  • Switching AC/DC adapters and battery chargers
  • Open-frame switching power supplies