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LD7576

Leadtrend
Part Number LD7576
Manufacturer Leadtrend
Description Green-Mode PWM Controller
Published Feb 17, 2014
Detailed Description LD7576/76H/76J/76K 12/5/2007 Green-Mode PWM Controller with High-Voltage Start-Up Circuit and Adjustable OLP Delay Time...
Datasheet PDF File LD7576 PDF File

LD7576
LD7576

Overview
LD7576/76H/76J/76K 12/5/2007 Green-Mode PWM Controller with High-Voltage Start-Up Circuit and Adjustable OLP Delay Time REV.
03 General Description The LD7576X series bring high performance, combines with highly integrated functions, protections and EMI-improve solution.
It’s an ideal solution for those cost-sensitive system, reducing component count and overall system cost.
The LD7576X series features near-lossless high voltage startup circuit, green-mode power-saving operation, leading-edge blanking of the current sensing and internal slope compensation.
They also consist with more protections of OLP (Over Load Protection), OVP (Over Voltage Protection) and OTP (Over Temperature Protection) to prevent the circuit damage under abnormal conditions.
The LD7576X series are available in DIP-8 and SOP-8 package.
Features z z z z z z z z z z z z High-Voltage (500V) Startup Circuit Current Mode Control Non-Audible-Noise Green Mode Control UVLO (Under Voltage Lockout) LEB (Leading-Edge Blanking) on CS Pin Internal Slope Compensation OVP (Over Voltage Protection) on Vcc On-Chip OTP (Over Temperature Protection) OLP (Over Load Protection) Latch Mode Protection by CT pin 500mA Driving Capability Adjustable OLP delay time Applications z z z Switching AC/DC Adaptor and Battery Charger Open Frame Switching Power Supply LCD Monitor/TV Power Typical Application 1 Leadtrend Technology Corporation LD7576-DS-03 December 2007 www.
leadtrend.
com.
tw Free Datasheet http://www.
datasheet4u.
net/ LD7576/76H/76J/76K Pin Configuration SOP-8 & DIP-8 (TOP VIEW) VCC 6 8 7 OUT 5 NC HV TOP MARK YYWWPP 1 2 3 4 YY: WW: PP: Year code Week code Production code COMP Ordering Information Part number LD7576 PS LD7576 GS LD7576 PN LD7576J PS LD7576J GS LD7576J PN LD7576H PS LD7576H GS LD7576H PN LD7576K PS LD7576K GS LD7576K PN Protection/Frequency Auto-Recovery/65KHz Auto-Recovery/65KHz Auto-Recovery65KHz Auto-Recovery/100KHz Auto-Recovery/100KHz Auto-Recovery100KHz Latch/65KHz Latch/6...


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