供應(yīng)FT831B設(shè)計(jì)的3W高功率LED燈模組

 

MODULE SPECIFICATION

1)Input Characteristics

>AC Input Voltage Range：90Vac to 264Vac
>AC Input Frequency：47Hz to 63Hz

2)Output Characteristics

>Output Voltage：+10V
>Output Current：300mA
>Precision of Output Current：3%
>Ripple of Output Voltage：0.75V
>Ripple of Output Current：140mA

3)Performance Specification

>Total Output Power: 3W Typical
>Standby Power: < 0.3W @ 90Vac/63Hz~265Vac/47Hz, no load
> Efficiency: 70.5% min. @ 264Vac/50Hz with full load
> Turn on Delay Time: 0.5sec. max. @ 90Vac/50Hz with full load
> Switching Frequency: 63K Hz ±3%

4) Protection Features

> Short Circuit Protection: Output shut down (Auto Recovery)
> Open Circuit Protection: Output Voltage rise to 11V

5) Environmental

> Operating Temperature: -10℃ to +40℃
> Operating Humidity : 20 % to 90 % R. H.
> Storage Temperature: -40℃ to 85℃
> Storage Humidity: 0 % to + 90 % R. H.

6) Dielectric Withstand (Hi-pot) Test

> Input to Output: 3000Vac 1 min

7) Insulation

> Input to Output: DC 500V 10M ohm min

8）Applications

Adapter/charger for cellular and cordless phones,pdas,mp3,portable appartus,standby and auxiliary power supplies,set top boxes(stb),led lamp.

9）產(chǎn)品簡(jiǎn)介

主要特點(diǎn)是高性能，低成本和低啟動(dòng)電流。在無光耦和TL431的情況下實(shí)現(xiàn)次級(jí)恒流恒壓。欠壓鎖定，前沿消隱，驅(qū)動(dòng)電流外部可調(diào)功能，可以方便實(shí)現(xiàn)一個(gè)最小外部無器件和低成本的AC/DC電源模塊。集成了豐富的保護(hù)功能，過溫保護(hù)，過壓保護(hù)，輸出短路保護(hù)和反饋開路保護(hù)，這些保護(hù)功能不但能簡(jiǎn)化外部電路，而且能夠提高電源模塊的可靠性。