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PQ60120EML04PRS 参数 Datasheet PDF下载

PQ60120EML04PRS图片预览
型号: PQ60120EML04PRS
PDF下载: 下载PDF文件 查看货源
内容描述: 八分之一砖DC / DC转换器 [Eighth-brick DC/DC Converter]
分类和应用: 转换器
文件页数/大小: 14 页 / 542 K
品牌: SYNQOR [ SYNQOR WORLDWIDE HEADQUARTERS ]
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Input:  
35-75 V  
Output:  
12 V  
Current:  
4 A  
Package:  
Eighth-brick  
Technical Specification  
See Fig. 15  
10 µH  
See Fig. 14  
source  
impedance  
See Fig. 16  
iS  
iC  
DC/DC  
Converter  
VOUT  
VSOURCE  
10  
µ
F,  
ESR  
1 µF  
47 µF,  
ceramic  
100m  
<1  
ESR  
capacitor  
tantalum  
electrolytic  
capacitor  
capacitor  
Figure 13: Test set-up diagram showing measurement points for Input  
Terminal Ripple Current (Figure 14), Input Reflected Ripple Current  
(Figure 15) and Output Voltage Ripple (Figure 16).  
Figure 14: Input Terminal Ripple Current, i , at full rated output cur-  
c
rent and nominal input voltage with 10  
µH source impedance and 47µF  
electrolytic capacitor (200 mA/div). See Figure 13.  
Figure 15: Input reflected ripple current, i , through a 10 µH source  
inductor at nominal input voltage and rated load current (5 mA/div).  
See Figure 13.  
Figure 16: Output voltage ripple at nominal input voltage and rated  
load current (50 mV/div). Load capacitance: 1 F ceramic capacitor  
and 10 F tantalum capacitor. Bandwidth: 20 MHz. See Figure 13.  
s
µ
µ
14.0  
12.0  
10.0  
8.0  
6.0  
4.0  
2.0  
0.0  
35 V  
48 V  
75 V  
0
1
2
3
4
5
6
Load Current (A)  
Figure 17: Output voltage vs. load current showing typical current limit  
curves and converter shutdown points.  
Figure 18: Load current (5A/div) as a function of time when the con-  
verter attempts to turn on into a 10 m short circuit. Top trace  
(2.0ms/div) is an expansion of the on-time portion of the bottom trace.  
Product # PQ60120EML04  
Phone 1-888-567-9596  
www.synqor.com  
Doc.# 005-2EM612E Rev. C  
04/25/06  
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