1. 原理图
钙镁离子2. 技术指标
(2输出电压 1:+5VDC,额定电流 1A ,最小电流 750mA ; (3输出电压 2:+12VDC,额定电流 1A , 最小电流 100mA ; (4输出电压 3:-12VDC ,额定电流 1A ,最小电流 100mA ; (5输出电压 4:+24VDC,额定电流 1.5A ,最小电流 250mA ;
(6输出电压纹波:+5V,±12V :最大 100mV (峰峰值 ; +24V:最大 250mV (峰峰值
(7输出精度:+5V,±12V :最大± 5%; +24V:最大± 10%; (8效率:大于 80% 3. 参数计算 (1输出功率: 5V 112V 1224V 1.565
out P A A A W =⨯+⨯⨯+⨯= (3-1 (2输入功率:社交网络模型
6581.2580%0.8
out in P W
P W =
cruise软件
== (3-2 (3直流输入电压: 采用单相桥式不可控整流电路 eds
(max240VAC 1.414=340VDCin V =⨯ (3-3 (min185VAC 1.414=262VDCin V =⨯ (3-4
(4最大平均电流:
(m a x
(m i n 81. 25
0. 31262in
in in P W I A V V
==
= (3-5
西辽河
(5最小平均电流:
(min(max
新课程理论81.250.24340
in in in P W
I A V =
=
= (3-6 (6峰值电流:
可以采用下面两种方法计算,本文采用式(3-8的方法。
(minmax (min(min225581.251.550.4262out out out Pk C in in in P P P W
I I A V D V V V
⨯==
====⨯ (3-7
min 5.55.581.251.71262out Pk C in P W
I I A V V
⨯==
== (3-8 (7散热: