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7825335VC

更新时间： 2024-09-30 12:27:47
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村田 - MURATA 变压器转换器
页数 文件大小 规格书
5页 525K
描述
MAX253 Compatible Converter Transformers 3.3V and 5V versions

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7825335VC 数据手册

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78253 Series  
s
MAX253 Compatible Converter Transformers  
SELECTION GUIDE  
Output  
Voltage  
Max. Output  
Current  
Isolation  
Voltage  
Input Voltage  
Turns  
Ratio  
Package  
Style  
Order Code  
V
V
mA  
VDC  
78253/35C  
78253/35MC  
78253/55C  
78253/55MC  
78253/35VC  
78253/35MVC  
78253/55VC  
78253/55MVC  
DIL  
SM  
DIL  
SM  
DIL  
SM  
DIL  
SM  
3.3  
5.0  
100  
1500  
1:2.27  
1:1.31  
1:2.14  
1:1.33  
5.0  
3.3  
5.0  
5.0  
5.0  
5.0  
200  
100  
200  
1500  
4000  
4000  
FEATURES  
nRoHS compliant  
nMaxim MAX253 compatible  
n3.3V and 5V versions  
nIsolation to 4kVDC  
ORDER CODE DETAILS  
Order Code  
Package Type  
Packaging Type  
Quantity  
78253/XXC  
78253/XXMC  
78253/XXMC-R  
6 Pin DIL  
6 Pin SM  
6 Pin SM  
Tube  
Tube  
50  
50  
nFrequency range to 500kHZ  
nToroidal construction  
nIndustry-standard pinout  
nUL 94 V-0 package materials  
nFully encapsulated  
Tape & Reel  
500  
78253/35(M)C CHARACTERISTICS  
Parameter  
Conditions  
Min.  
0.30  
1.60  
Typ.  
0.38  
2.00  
0.30  
30  
Max.  
0.46  
2.40  
1.00  
50  
Units  
mH  
mH  
μH  
Primary Inductance, LP  
Secondary Inductance, LS  
Leakage Inductance, LL  
Interwinding Capacitance, CWW  
Primary D.C. Resistance, RDC  
Volt-time Product, Et  
100kHz, 250mV  
100kHz, 250mV  
100kHz, 250mV  
100kHz, 250mV  
>0.1VDC  
pF  
nLow profile  
0.40  
35  
1.00  
Ω
Vμs  
nSurface mount option  
nIndustrial temperature range  
Pins 1/2 or 2/3  
30  
78253/55(M)C CHARACTERISTICS  
Parameter  
Conditions  
Min.  
0.60  
1.10  
Typ.  
0.83  
1.40  
0.35  
30  
Max.  
1.10  
1.70  
1.00  
50  
Units  
mH  
mH  
μH  
Primary Inductance, LP  
Secondary Inductance, LS  
Leakage Inductance, LL  
Interwinding Capacitance, CWW  
Primary D.C. Resistance, RDC  
Volt-time Product, Et  
100kHz, 250mV  
100kHz, 250mV  
100kHz, 250mV  
100kHz, 250mV  
>0.1VDC  
DESCRIPTION  
The 78253 series of converter transformers are  
specifically designed for use with the MAX253  
chip set to provide isolated power supplies. The  
5V version can supply 1W and the 3.3V version  
can supply 500mW. A centre tapped secondary  
winding allows for full bridge, half bridge or  
voltage doubling.  
pF  
0.70  
50  
1.50  
Ω
Vμs  
Pins 1/2 or 2/3  
40  
78253/35(M)VC CHARACTERISTICS  
Parameter  
Conditions  
Min.  
110  
550  
Typ.  
142  
710  
3.00  
4.20  
0.30  
22  
Max.  
185  
Units  
μH  
Primary Inductance, LP  
Secondary Inductance, LS  
Leakage Inductance, LL  
Interwinding Capacitance, CWW  
Primary D.C. Resistance, RDC  
Volt-time Product, Et  
100kHz, 20mV  
100kHz, 20mV  
100kHz, 250mV  
100kHz, 250mV  
>0.1VDC  
850  
μH  
Surface-mount parts  
5.00  
8.00  
0.50  
μH  
pF  
The surface-mount (M suffix) products are not  
recommended for new designs. For existing designs,  
however, Murata Power Solutions will continue to  
manufacture and fully support these parts.  
Ω
Vμs  
Pins 1/2 or 2/3  
18  
78253/55(M)VC CHARACTERISTICS  
For recommended alternatives please refer to the  
78253J Series datasheet.  
Parameter  
Conditions  
Min.  
190  
350  
Typ.  
240  
444  
5.20  
4.20  
0.40  
28  
Max.  
310  
Units  
μH  
Primary Inductance, LP  
Secondary Inductance, LS  
Leakage Inductance, LL  
Interwinding Capacitance, CWW  
Primary D.C. Resistance, RDC  
Volt-time Product, Et  
100kHz, 20mV  
100kHz, 20mV  
100kHz, 250mV  
100kHz, 250mV  
>0.1VDC  
540  
μH  
8.00  
8.00  
0.60  
μH  
pF  
Ω
Vμs  
Pins 1/2 or 2/3  
25  
All specifications typical at TA=25°C  
For full details go to  
www.murata-ps.com/rohs  
www.murata-ps.com/support  
KMP_78253C_D04 Page 1 of 5  
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