The peak inrush current shold not exceed 100A while cold start,at
100Vac/60Hz input.
在 240Vac/50Hz 输入,冷启动的条件下,最大冲击电流不超过 100A。
The peak inrush current shold not exceed 100A while cold start,at
240Vac/50Hz input.
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SHG4202A01-101H
2.2 直流输出特性(DC OUTPUT CHARACTERISTICS)
2.2.1 静态输出特性(STATIC OUTPUT CHARACTERISTICS)
项目Item +12V
输出电压范围
11.4-12.6
OUTPUT VOLTAGE RANGE
输出最小电流
0.01A
MIN.CURRENT
输出额定电流
1.8A
MAX.CURRENT
输出峰值电流
2.5 A
PEAK CURRENT
纹波噪声(峰-峰值)
RIPPLE & NOISE(PK-PK)
备注:
1)+12V 总输出功率不超过 21.6W。
2) 峰值电流脉宽不得超过 100mS。
3)纹波噪音测试条件:输出端并 47uF/50V 电解电容和 0.1uF 陶瓷电容,
Note:
1)+12V power shall not exceed 21.6W.
2)The peak Current pulse width shall not exceed 100mS.
3)Noise test:Add a 47uF/50V electrolytic capacitor in parallel with a
2.2.2 输出上升时间(DC OUTPUT RISE TIME)
≤240mV
噪音带宽从直流到 20MHz。
0.1 uF ceramic capacitor at output connector terminals.
Noise bandwidth is from DC to 20MHz.
输出OUTPUT 上升时间RISE TIME
+12V ≤100 mS
2.2.3 输出保持时间(DC OUTPUT HOLD UP TIME)
输出OUTPUT
+12V
120Vac 240Vac
≥5mS ≥5mS
注意:1)输出带额定负载。
Note:
All of dc output at full load.
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SHG4202A01-101H
2.2.4 输出超调(DC OUTPUT OVERSHOOT)
超调率OVERSHOOT(%)
输出OUTPUT 电压VOLTAGE
开机TURN ON 关机TURN OFF
+12V +12V ≤10% ≤10%
2.2.5 PWON 信号特性(PWON SIGNAL CHARACTERISTICS)
信号类别SIGNAL TYPE
Logic level low NC NC
Logic level high NC NC
Open --- NC
解释COMMENTS
主输出MAIN OUTPUT
2.2.6 过压保护(OVER VOLTAGE PROTECTION)
过压范围
13-24V
OVER VOLTAGE RANGE
2.2.7 过流保护(OVER CURRENT PROTECTION)
项目Item +12V
过流范围
3-8A
OVER CURRENT RANGE
2.2.8 短路保护(SHORT CIRCUIT PROTECTION)
任何一路输出对地短路时,电源自动保护,持续短路无损坏。输出阻抗小于 0.1 欧姆定
义为短路电路。
The power supply shall shut down for shorting any output to return rail. Any
output short circuit will not cause damage to the power for long time.an output
short circuit is defined as any output impedence of less than 0.1 ohms.
2.2.9 保护恢复(RESET AFTER SHUTDOWN)
当输出端异常导致关机保护时,只需要排除异常,或者排除异常后重置 AC,电源即
可恢复正常功能,重置 AC 可能需要等待 10 秒时间。
If the power supply latches into a shutdown state because of 1 fault condition
on its output,the power supply shall return to normal operation only after
the fault has been removed, or the AC INPUT has been cycled off/on with a
off time of ten second.
2.3 背光电源特性(LED BACKLIGHT POWER OUTPUT CHARACTERISTICS)
本部分定义 LED 背光电源的电气性能要求。
This section defines the electrical requirements for the LED backlight power.
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