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LD5523E

Leadtrend Technology
Part Number LD5523E
Manufacturer Leadtrend Technology
Description Multi-Mode PWM Controller
Published Jun 22, 2018
Detailed Description LD5523/R/H/E 10/14/2016 Multi-Mode PWM Controller of Flyback with Integrated BNI/BNO and Protection REV. 00 General D...
Datasheet PDF File LD5523E PDF File

LD5523E
LD5523E

Overview
LD5523/R/H/E 10/14/2016 Multi-Mode PWM Controller of Flyback with Integrated BNI/BNO and Protection REV.
00 General Description In order to enhance the efficiency performance, the LD5523/R/H/E integrates the multi-mode PWM controller, which consists of Quasi-Resonant (QR) PWM control for light load condition and Continue Conduction Mode (CCM) for heavy load condition.
Moreover, the QR controller not only gains the system performance, but also brings the worse EMI capability, while the frequency swapping function of LD5523/R/H/E can reduce the EMI emission of SMPS and helps the power circuit designers to simply deal with EMI filter and saves several component and developing time.
The LD5523/R/H/E is implemented in SOT-26 package, and includes the comprehensive protection function, such as Over Load Protection (OLP), Over Voltage Protection (OVP), Output Short Circuit Protection (OSCP) and internal Over Temperature Protection (OTP).
Furthermore, the programmable Brown-in/out Protectio...


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