Shivaki STV-22LED3, Service Manual

Page: 33 / 57

LK-SP104804A
2) Outputs shall be bypassed at the connector with a 0.1uF ceramic capacitor and a 10uF
electrolytic capacitor to simulate system loading.
离电源板大于
30CM
处输出电源端并联
0.1uF
的陶瓷电容和
10uF
的电解电容来模拟负载测试
1.2.3 Output Transient Response.
（输出动态响应）
Table 4. Test condition.
测试条件
Voltage Tolerance Limit Slew Rate Load Change
12
±
5% 0.2A/uS 10% load TO 90% to load
Note: Transient response measurements shall be made with a load changing repetition rate of
50Hz to 10kHz.
以
50~10KHz
的频率跳变负载来测试。
1.2.4 Table 5 DC Output Hold-Up Time.
（输出保持时间）
Output Voltage 120Vac input 220Vac input
+12V
≥
5
mS
≥
5
mS
Note: All of dc output at full load.
所有输出带满载
1.2.5 Table 6 DC Output Overshoot At Turn On & Turn Off.
（输出超调）
Over shoot voltage(V)
超调电压
Output Channel Output(V)
Turn on
开机
Turn off
关机
+12V + 12V
10% 5%
Note: All of dc output current from Min. to Max.
测试时负载范围：最小到最大
1.2.6 Table 7 DC output voltage rise time
（输出上升时间）
Output Voltage 120Vac input &Full Load 220Vac input &Full Load
+12V
≤
100
mS
≤
100
mS
Note: The output voltages shall rise from10% to 90% of their output voltage.
输出从
10%
上升到
90%
的时间
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