开关电源测试项目及内容.pptx
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1、DC1242-12_V1.2源 目的目的 : 确源的性能与可靠度,提供具有依据的数据客参考。确保研出高性能,高定性,高可靠度的品。保公司品的知名度与良好反。Inrush Current 开机瞬间电流 Purpose: Measure the inrush current of the input while the power supply turn on. 目 的:量测输入电源电压瞬间开启时,电源供应器之瞬间开机电流.Environmental Conditions: Temperature 25, Relative Humidity 65% 环境条件: 温度25 相对湿度65%Test C
2、onditions: 1.The input voltage frequency must be under any condition in the range of the product specification 测试条件: 1.输入电压以产品规格之全电压频率范围 Min/115Vac/230Vac/Max2. The output load is full load on all outputs at under the product specification.2. 输出负载以产品规格之最大额定电流值3. The measurement can be implemented on
3、ly when the AC input voltage at the phase of 90 and then the power supply turn on. 3. 量测时必须于输入之交流电压在相角90时,将电源供应器开启,量测其输出入瞬间 电流量 4. Do the test in cold start one time, so do in hot start one time. 4. 冷机和热机各做一次.Result limit: Sure there is no damage of components. 结果判定:不能造成产品组件损坏.Test Waveform1.Input C
4、urrent & Power 输入电流及功率 Purpose: Measure the input current and power of the switch power supply. 目 的:量测电源供应器之输入电流及功率Environmental Conditions: Temperature 25, Relative Humidity 65% 环境条件:温度 25,相对湿度65% Test Conditions: 1.The input voltage & frequency must be under any condition of the range of the produ
5、ct specification. 测试条件:1.输入电压及频率以产品规格之全电压频率范围2. The output load is full load on all outputs 2.输出负载以产品规格之最大额定电流值 Full Load =Result limit: The maximum input current shall not exceed the specified. 结果判定:输入电流不能超出产品规格Efficiency And Power Factor输出效率及功率因素 Purpose: Measure the efficiency and power factor of
6、 the SPS. 目 的:量测电源供应器之输出效率及功率因素Environmental Conditions: Temperature 25, Relative Humidity 65% 环境条件 : 温度25 相对湿度65%Test Conditions: 1.The power supply must be on for 10 minutes before measure. 测 试 条 件: 1.需先开机10分钟 2. The input voltage & frequency must be under any condition in the range of the product
7、 specification. 2. 输入电压及频率以产品规格之全电压频率范围 3. The output load is full load on all outputs . 3. 输出负载以产品规格之最大额定电流值Result limit: The efficiency must exceed the specified. 结果判定: 效率必须大于产品规格才合格. Energy Star(Blue Angel) 能源之星(蓝天使)Purpose: Measure the stability of output voltage under the condition of all kinds
8、 of load being synchronous varying. 目的:量测各组负载在做同步变化条件下,各组输出电压的稳定性.Environmental Conditions: Temperature 25, Relative Humidity 65% 环境条件:温度25, 相对湿度 65%.The Energy Star* efficiency requirements of the power supply depend on the intended system configuration. The system should consume power in accordanc
9、e with the values listed in Table.能源之星的效率要求是依据目标系统配置来定的,系统的耗能应该附合以下表格列出的数值.Input Current Test 输入电流测试 Purpose: Check the power supplys input current be in the range of specification, and fuse is accord to safety requirement. 目的: 确认电源的输入电流在规格范围内并且所用保险丝符合安 规要求. Environmental Conditions: Temperature : 2
10、5 ; Humidity: 65% 环境条件: 温度 25 ; 湿度 65%. Test Conditions: 1.The input voltage & corresponding frequency must be Min/115Vac/230Vac/Max of product specification. 测试条件: 1.输入电压以产品规格之最小/115Vac/230Vac/最大电压及相应频率 2. The output load is Full/Max load. 2. 输出负载以满载/最大载测试No Load Start无负载启动测试 Purpose: Check the pow
11、er supply can start with no load. 目的: 量测控制开/关的开关需求电压. Environmental Conditions: Temperature : 25 ; Humidity: 65%环境条件: 温度 25 ; 湿度 65%. Test Conditions: 1.The input voltage & frequency must be Min/Max rated of the product specification.测试条件: 1.输入电压以产品规格之最小/最大电压及频率 2. The output load is no load. 2.输出负载
12、以空载测试Over Shoot & Under Shoot电压过冲及过降Purpose: Measure whether output voltage over shoot or under shoot from the SPS rise to the output voltage stable. 目 的:量测输出电压于开机到稳定时之间, 其电压上升是否有过冲或过降现象.Environmental Conditions: Temperature 25, Relative Humidity 65% 环境条件:温度 25 相对湿度 65%Test Conditions: 1.The input v
13、oltage frequency must be under any condition in the range of the product specification 测试条件: 1.输入电压以产品规格之全电压频率范围 2. The output load is full load on all outputs. 2. 输出负载以产品规格之最大额定电流值Result limit: The range of over shoot & under shoot should be less than 10% of the normal voltage. 结果判定:过冲或过降幅度小于其电压值的1
14、0%.电压过冲5vsb(过冲)-12V过冲SB过冲波形-12V过冲Line Regulation输入电压调整率Purpose: Measure the stability of the output voltage when the input voltage is variable. 目的:量测电源供应器因输入电压变化输出电压稳定度Environmental Conditions: Temperature 25, Relative Humidity 65% 环境条件:温度 25 相对湿度 65%Test Demands: 1.The input voltage frequency must
15、be under any condition in the range of the product specification 测试条件: 1.输入电压以产品规格之全电压频率范围 2. The output load is full load on all outputs at under the product specification. 2. 输出负载以产品规格之最大额定电流值 3. Test can be performed only after the SPS is on for about 10 minutes. 3. 开机10分钟后测试.Result limit: The ou
16、tput voltage can not exceed the allowed difference. 结果判定:输出电压不可超出误差值.Load Regulation负载调整率 ( 5% or 10%)Purpose: Measure the stability of the output voltage when the load is variable. 目 的:量测电源供应器因输出负载变化之输出电压稳定度Environmental Conditions: Temperature 25, Relative Humidity 65% 环境条件:温度 25 相对湿度 65%Test Cond
17、itions: 1.The input voltage frequency must be under any condition in the range of the product specification 测试条件: 1.输入电压以产品规格之全电压频率范围2.Output load: Maximum, middle, minimum load by the product specification. 2.输出负载以产品规格之最大,中间,最小额定电流值.(依产品规格书为依据)Result limit: The output voltage can not exceed the all
18、owed difference . 结果判定:各组电压不能超出误差值 Capacitive Load Test容性负载测试 Purpose: Measure the stability of output voltage under the condition of all kinds of load being synchronous varying. 目的:量测各组负载在做同步变化条件下,各组输出电压的稳定性.Environmental Conditions: Temperature 25, Relative Humidity 65% 环境条件:温度25, 相对湿度 65%.Test Co
19、nditions: 1. The input voltage frequency must be under any condition in the range of the product specification 测试条件: 1.输入电压以产品规格之全电压频率范围2. Output with all Min/Typical/Full Load.2. 输出在最小/半载/潢载条件下.3. Capacitive Load data as the right table.3. 容性负载数值如右边的表格.Result limit: The power supply should be able
20、to power up and operate within the regulation range 电源可以开启,并且输出电压在调整率范围内.Dynamic Load Regulation动态负载变动率 Purpose: Measure the stability of output voltage under the condition of all kinds of load being synchronous varying. (Min Load Start & Each output Max Load) 目的:量测各组负载在做同步变化条件下,各组输出电压的稳定性.Environme
21、ntal Conditions: Temperature 25, Relative Humidity 65% 环境条件:温度25, 相对湿度 65%.Test Conditions: 1. The input voltage frequency must be under any condition in the range of the product specification 测试条件: 1.输入电压以产品规格之全电压频率范围2. Output transient step sizes for each output when at capacitive load: +12V1/40%,
22、+12V2/60%,+5V,+3.3V/30%, +5Vsb/0.5A, -5V, -12V/0.1A.2. 在容性负载条件,各组输出动态变化负载幅度3. Simultaneous load steps on the +12V,+5V,+3.3V output,all step occur in the same direction.3. 在+12V,+5V,+3.3V负载同时变化时,其所有负载变化的趋势应是一致的.4. Dynamic frequency : 50Hz/10kHz. 4. 动态频率: 50Hz/10kHz5. Slope: 1A/uS. 5. 斜率: 1A/uS. Resul
23、t limit: Output voltage is in the product specification. 结果判定: 各输出电压在产品规格范围内. Test WaveformRipple & Noise输出涟波和噪声 Purpose:Measure the ripple & noise of output voltage under any condition. 目的:在各种条件下量测各组输出电压之涟波和噪声大小.Environmental Condition: Temperature: 25;Reletive Humidity: 65% 环境条件:温度25相对湿度65%Test Co
24、nditions: AC input voltage: The Maximum and minimum voltage of product specification 测试条件:1.输入电压以产品规格之最大,最小电压范围2. The output load is the maximum and minimum load of specification regulation.2.输出负载以产品规格之最大,最小额定电流值.(依产品规格书为依据)Result limit: Ripple & Noise can not exceed the specified. 结果判定:各组输出涟波和噪声不能超
25、出规格书要求. (+3.3V,+5V,+5Vsb: 50mV, -12V,-5V,+12V: 120mV)Voltage Line Brownout电压缓慢变动测试Purpose: Measure the stability of the SPS when the input voltage varies linearly. 目的:量测电源供应器因输入电压线性变化导致输出电压的变动直至关机.Environmental Conditions:Temperature 25, Relative Humidity 65% 环境条件:温度 25相对湿度65%Test Demands: 1.The inp
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