电源适配器12V3A桌面式

深圳市强元电子厂主营产品：开关电源，电源适配器，充电器，笔记本电源，移动电源，多功能电源

公司地址：深圳市龙华镇元芬村民生工业园A栋B4楼

联系人：林手机

TEL：-602

传真：

下列为电源描述：

SCOPE

       The document detail the electrical, mechanical and environmental specifications of a SM

        PS, the power supply provide 12 W continuous output power.

    资料详细描述了一款12W(连续输出功率)开关电源的电气性，结构性及环境等要求.

        The power supply shall meet theRoHSrequirement.

     此款电源*合RoHS要求.

1.1Description

         SMPS Adaptor (Wall mount)/插墙式适配器     SMPS Adaptor (Desk-*)/桌面型适

         Open Frame/开放式结构                      SMPS Unit (with case)/带铁壳型

         Others/其它

1. Input Characteristics/输入特性

2.1 Input Voltage & Frequency/输入电压&频率

 The range of input voltage is from90Vacto264Vacsingle phase.

输入电压范围：从90Vac到264Vac，单相输入.

2.2  Input AC Current/AC输入电流

          1.5 Amax. @ 100-240Vac input & Full load/满载

2.3.Inrush Current(Cold Start)/浪涌电流（冷启动）

       40 Amax. @264Vacinput

2.4.Efficiency(Normal)/效率（额定输入）

      80% min. @ Nominal input & Full load/额定输入&满载

2.5.Energy Consumption/空载功耗

        在额定输入100-240V时，空载功耗≤2.0W

1. Output Characteristics/输出特性

3.1 Static Output Characteristics<Vo & R N>/静态输入特性

Ripple & Noise: Measurement is done by20MHzbandwidth oscilloscope and the output

paralleled a0.1uF ceramic capacitor and a10uFelectrolysis capacitor. (test under the

condition of rated input and rated output)

纹波与噪声：量测时示波器选用20MHz带宽限制，输出端要并联一颗0.1uF的陶瓷电容

和一颗10uF的电解电容.（在额定输入及输出的条件下检测）

3.2. Line/Load Regulation/线性/负载调整率

3.3. Turn on delay time/开机延迟时间

        3S max. @ 100Vac to 240Vac input & Full load/满载

 3.4. Hold up Time/关机维持时间

         10mS min. @ Full load & 115Vac/60Hz input turn off at worst case/在*差情况关机

        50mS min. @ Full load & 230Vac/50Hz input turn off at worst case/在*差情况关机

   3.5. Rise Time/上升时间

         20mS max. @ Rated load/额定负载

    3.6. Fall Time/下降时间

         30mS max. @ Full load/满载

  3.7. Output Overshoot/Undershoot/输出过冲/欠冲

         10% max. When the power on or off/当电源开/关机时

  3.8. Output Load Transient Response/输出负载瞬态响应

       output voltage within 5.15-4.65V ;12.4-11.80V,for load step from 0% to 80%, R/S :0.5A/Us, frequency:

         100Hz duration and 8mS at 80%.

        输出电压在11.5-12.5V,之间，负载变化：从0%-80%，斜率：0.5A/Us，频率：100Hz，

80%负载持续时间为8mS.

1. Protection Requirements/保护特性

  4.1. Over Current Protection/过流保护

       Over Current Point Limited/过流点限制：2.3A＜I＜3.0A

The output shall hiccup when the over currents applied to the output rail, and shall be self-

recovery when the fault condition is removed.

当过电流时，输出将进入打嗝模式，当过流情况解除后，产品将会自动恢复正常.

4.2. Short Circuit Protection/短路保护

   The input power shall decrease when the output rail short, the power supply shall no damage

and shall be self-recovery when the fault condition is removed.

当输出短路时，产品输入功率降低且不会损伤，当短路情况解除后，产品将会自动恢复正常

1. Environment Requirements/环境要求

  5.1. Operating Temperature and Relative Humidity/操作温/湿度要求

0°Cto 40°C

10%RH to 90%RH

5.2. Storage Temperature and Relative Humidity/存储温/湿度要求

-20°Cto 80°C

5%RH to 95%RH non-condensing @ Sea level shall be low 10,000 feet低于10000英尺

5.3. Vibration/振动

            10 to 300Hz sweep at a constant acceleration of1.0G( Breadth:3.5mm) for 1 Hour for

each of the perpendicular axes X.Y.Z

扫描频率：10 to 300Hz,加速度：1.0G（位移：3.5mm）,X,Y,Z三垂直坐标轴向各振动1小时

5.4. Drop in/跌落

Height:1m; the product should be fell off on the hardwood with the thickness of

20mm,and the hardwood should be put on the base of the cement or on the

ground without flexibility. Apply two times on all surface .

跌落高度：1米，并跌落到高度为20mm的硬木上，且硬木应放在水泥基座或等同的无

弹性地面上，每面各2次.

6. Reliability Requirements/*性要求

6.1. Burn-in/煲机

The power supply shall be burn-in for 4 Hours under normal input and 80% rated load at40°C /-5°C

产品至少要在40°C /-5°C的环境及80%额定负载条件下煲机4小时

6.2. MTBF Qualification/平均间隔故障时间估算

The MTBF shall be at least 50,000 hours at25°C,Full load and nominal input condition

平均间隔故障时间：至少50000小时，25°C环境及额定输入与满载条件下