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DK1208 Datasheet(PDF) 3 Page - Linkage Goston Electronics Co., LTD |
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DK1208 Datasheet(HTML) 3 Page - Linkage Goston Electronics Co., LTD |
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3 / 11 page  DK1208——12W 高性能准谐振开关电源控制芯片 电气参数 项目符号 测试条件 最小 典型 最大 单位 工作电压VCC AC 输入85V-----265V 4.5 4.7 5.8 V 启动电压VCC_Start AC 输入85V-----265V 4.9 5.0 5.2 V 重启电压VCC_Min AC 输入85V-----265V 3.4 3.5 3.7 V 保护电压VCC_Max AC 输入85V-----265V 5.7 5.8 6.0 V 工作电流I VCC=4.7V，FB=2.8V 40 mA 启动电流I_Start AC 输入265V 0.5 mA 启动时间T_Start AC 输入85V,C=22uF --- --- 500 ms 功率管耐压 Ioc=1mA 700 --- --- V Vor保护电压Vor_Max Lp=1.68mH,RS=0.57 100 133 160 V IS 最大电压 Vlim VCC=4.7V，FB=2.8V, AC 输入85V 360 380 400 mV PWM输出频率F_PWM VCC=4.7V，FB=0.5V---3.5V 20 - 70 Khz 短路保护阀值Vfb_H FB电压 3.4 3.5 3.6 V 待机阀值电压Vfb_L FB电压 0.4 0.5 0.6 V 温度保护 结温 120 130 140 ℃ 前沿消隐时间Ton_Leb VCC=4.7V 250 ns 最小开通时间Ton_Min VCC=4.7V 500 ns 最大开通时间Ton_Max VCC=4.7V，FB=2.8V, AC 输入 85V 15 Us 最小关闭时间 Toff_Min VCC=4.7V，FB=2.8V, AC 输入 85V 8 us 待机功耗 80 mW 内置电阻最大Ip电流 IS接地 700 mA - 3 - 注：如需最新资料或技术支持，请与我们联系 sale@linkage.cn 业务电话：400-033-6518 www.linkage.cn |
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