(China (Mainland))
Product Summary
The LD7576GS is a Green-Mode PWM Controller with High-Voltage Start-Up Circuit and Adjustable OLP Delay Time. The device can bring high performance, combines with highly integrated functions, protections and EMI-improve solution. The LD7576GS is an ideal solution for those cost-sensitive system, reducing component count and overall system cost. The applications of the LD7576GS include Switching AC/DC Adaptor and Battery Charger, Open Frame Switching Power Supply and LCD Monitor/TV Power.
Parametrics
LD7576GS absolute maximum ratings: (1)Supply Voltage VCC: 30V; (2)High-Voltage Pin, HV: -0.3V~600V; (3)COMP, CT, CS: -0.3 ~7V; (4)Junction Temperature: 150℃; (5)Operating Ambient Temperature: -40℃ to 85℃; (6)Storage Temperature Range: -65℃ to 150℃; (7)Package Thermal Resistance): 160℃/W; (8)Power Dissipation (SOP-8, at Ambient Temperature = 85℃): 400mW; (9)Power Dissipation (DIP-8, at Ambient Temperature = 85℃): 650mW; (10)Lead temperature (Soldering, 10sec): 260℃; (11)ESD Voltage Protection, Human Body Model (except HV Pin): 3KV; (12)ESD Voltage Protection, Machine Model: 300V; (13)Gate Output Current: 500mA.
Features
LD7576GS features: (1)High-Voltage (500V) Startup Circuit; (2)Current Mode Control; (3)Non-Audible-Noise Green Mode Control; (4)UVLO (Under Voltage Lockout); (5)LEB (Leading-Edge Blanking) on CS Pin; (6)Internal Slope Compensation; (7)OVP (Over Voltage Protection) on Vcc; (8)On-Chip OTP (Over Temperature Protection); (9)OLP (Over Load Protection); (10)Latch Mode Protection by CT pin; (11)500mA Driving Capability; (12)Adjustable OLP delay time.
Diagrams
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