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A235R

更新时间： 2022-12-17 00:20:09
品牌 Logo 应用领域
MPD 转换器
页数 文件大小 规格书
2页 94K
描述
Compact, Regulated, 2W Single & Dual Output DC/DC Converters

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中文翻译

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A235R 数据手册

 浏览型号A235R的Datasheet PDF文件第1页 
Model Selection Guide  
Input  
Current (mA)  
Output  
Fuse Rating  
Slow-Blow  
(mA)  
Voltage (VDC)  
Model  
Reflected  
Ripple  
Efficiency  
(%, Typ)  
Voltage Current  
(VDC) (mA, Max) (mA, Min)  
Current  
Number  
Nominal  
Range  
Full-Load No-Load  
Current  
(mA, Typ)  
A201R  
A202R  
A203R  
A204R  
A205R  
A211R  
A212R  
A213R  
A214R  
A215R  
A221R  
A222R  
A223R  
A224R  
A225R  
A231R  
A232R  
A233R  
A234R  
A235R  
5
5
5
5
4.5 - 5.5  
4.5 - 5.5  
4.5 - 5.5  
4.5 - 5.5  
4.5 - 5.5  
800  
730  
690  
740  
740  
330  
295  
265  
280  
280  
163  
135  
135  
135  
135  
83  
80  
80  
80  
80  
80  
40  
40  
40  
40  
40  
20  
20  
20  
20  
20  
10  
10  
10  
10  
10  
80  
80  
80  
80  
80  
30  
30  
30  
30  
30  
15  
15  
15  
15  
15  
10  
10  
10  
10  
10  
5.0  
400  
165  
133  
83  
0.0  
0.0  
0.0  
0.0  
0.0  
0.0  
0.0  
0.0  
0.0  
0.0  
0.0  
0.0  
0.0  
0.0  
0.0  
0.0  
0.0  
0.0  
0.0  
0.0  
50  
54  
57  
53  
51  
50  
56  
62  
59  
59  
51  
61  
61  
61  
61  
50  
59  
59  
51  
51  
1,500  
1,500  
1,500  
1,500  
1,500  
700  
700  
700  
700  
700  
350  
350  
350  
350  
350  
135  
135  
135  
12.0  
15.0  
12.0  
15.0  
5.0  
12.0  
15.0  
12.0  
15.0  
5.0  
12.0  
15.0  
12.0  
15.0  
5.0  
12.0  
15.0  
12.0  
15.0  
5
66  
12  
12  
12  
12  
12  
24  
24  
24  
24  
24  
48  
48  
48  
48  
48  
10.8 - 13.2  
10.8 - 13.2  
10.8 - 13.2  
10.8 - 13.2  
10.8 - 13.2  
21.6 - 26.4  
21.6 - 26.4  
21.6 - 26.4  
21.6 - 26.4  
21.6 - 26.4  
43.2 - 52.8  
43.2 - 52.8  
43.2 - 52.8  
43.2 - 52.8  
43.2 - 52.8  
400  
165  
133  
83  
66  
400  
165  
133  
83  
66  
400  
165  
133  
83  
70  
70  
80  
80  
135  
135  
66  
Notes:  
1. When measuring output ripple, it is recommended that an external 0.33 μF ceramic Derating Curve  
capacitor be placed from the +Vout pin to the -Vout pin for single output units and from  
each output to common for dual output units. For noise sensitive applications, the use  
of 1.5 μF capacitors will reduce the output ripple.  
2. Transient recovery is measured to within a 1% error band for a load step change of  
50% to 100%.  
3. Operation at no-load will not damage these units. However, they may not meet all  
specifications.  
4. Dual output units may be connected to provide a 24 VDC or 30 VDC output. To do this,  
connect the load across the positive (+Vout) and negative (-Vout) outputs and float the  
output common.  
5. The converter should be connected to a low ac-impedance source.An input source with  
a highly inductive impedance may affect the stability of the converter. In applications  
where the converter output loading is high and input power is supplied over long lines,  
it may be necessary to use a capacitor on the input to insure start-up.  
In this case, it is recommended that a low ESR (ESR <1.0Ω at 100 kHz) capacitor be  
mounted close to the converter. For 5V input units a 2.2 μF is recommended, for 12V  
input units, a 1.0 μF; and for 24V & 48V units a 0.47 μF.  
6. It is recommended that a fuse be used on the input of a power supply for protection.  
See the table above for the correct rating.  
Mechanical Dimensions  
Pin Connections  
Pin  
Single  
+Vin  
NC  
Dual  
+Vin  
1, 24  
2, 23  
3, 22  
10, 15  
11, 14  
12, 13  
-Vout  
NC  
Common  
Common  
+Vout  
-Vin  
-Vout  
+Vout  
-Vin  
NC: No Connection  
Capacitive Load  
Single Output  
470 μF Max  
Dual Output  
220 μF Max  
Mechanical Notes:  
• All dimensions are typical in inches (mm)  
• Tolerance x.xx = 0.01 ( 0.25)  
• Leads are tin plated for improved solderability.  
MicroPower Direct  
www.micropowerdirect.com  
232 Tosca Drive Stoughton, MA 02072  
■
TEL: (781) 344-8226  
■
FAX: (781) 344-8481  
■
E-Mail: sales@micropowerdirect.com  
12

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