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VB1209S-1W डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - DC-DC CONVERTER - YUAN

भाग संख्या VB1209S-1W
समारोह DC-DC CONVERTER
मैन्युफैक्चरर्स YUAN 
लोगो YUAN लोगो 
पूर्व दर्शन
1 Page
		
<?=VB1209S-1W?> डेटा पत्रक पीडीएफ

VB1209S-1W pdf
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Packing material
Dimension (mm / inch)
Weight (g)
MTBF (Hrs)
SHENZHEN SUNYUAN TECHNOLOGY CO., LTD.
VBXXXXS/D-1W DC-DC CONVERTER
Epoxy Resin UL94-V0
Tube
SIP: 19.6*6.0*10(0.77*0.24*0.40)
DIP: 20.4*10*8.2(0.8*0.4*0.32)
10
>1,000,000
PRODUCT LIST
Part Number
Input Voltage (VDC)
Range
Nominal
Max.
VB0503S-1W
4.5-5.5
5 7.25
VB0505S-1W
4.5-5.5
5 7.25
VB0512S-1W
4.5-5.5
5
7.25
VB1205S-1W
10.8-13.2
12
16.0
VB1212S-1W
10.8-13.2
12
16.0
VB1209S-1W
10.8-13.2
24
16.0
VB2405S-1W
21.6-26.4
24
30.0
VB2409S-1W
21.6-26.4
24
30.0
VB2412S-1W
21.6-26.4
24
30.0
VB0512D-1W
4.5-7.25
5
7.25
VB1205D-1W
10.8-13.2
12
16.0
VB2405D-1W
21.6-26.4
24
30.0
VB2409D-1W
21.6-26.4
24
16.0
Output
Max Current (mA) Voltage (VDC)
200 3.3
200 5
84 12
200 5
84 12
111 15
200 5
111 9
84 12
84 12
200 5
200 5
111 9
Efficiency
(%, Typ.)
68
67
72
64
68
68
68
66
77
72
69
68
68
Package
SIP
SIP
SIP
SIP
SIP
SIP
SIP
SIP
SIP
DIP
DIP
DIP
DIP
Connecting DC-DC Converters in Series
Galvanic isolation of the output allows multiple converters to be connected in series simply by connecting the positive output of one
converter to the negative of another (see figure 1). In this way, non-standard voltage rails can be generated, however, the current
output of the highest output voltage converter should not be exceeded. When converters are connected in series, additional filtering is
strongly recommended as the converters switching circuits are not synchronized. As well as a summation of the ripple voltages, the
output could also produce relatively large beat frequencies. A capacitor across the output will help, as will a series inductor.
Connecting DC-DC Converters in Parallel
If the available power output from a single converter is inadequate for the application, then multiple converters can be paralleled to
produce a higher output power. However, it is not recommended to parallel converters to generate a higher power output, please
select our higher power output modules or contact us for a customized solution.
It should be noted that it is always preferable to parallel multiple converters of the same type. For instance, if a 2.5W converter is
required, then either 2pcs AxxxxS-2W should be used or 3 AxxxxS-1W, not an AxxxxS-2W and an AxxxxS-1W. The reason for this
is that the output voltages are not sufficiently well matched to guarantee that an AxxxxS-2W would supply twice as much as an
AxxxxS-1W and the situation would occur where there was only 1W being drawn from the AxxxxS-2W and 1.5W from AxxxxS-1W.
Even with paralleled converters of the same type, loading will be uneven, however, there is only likely to be around a 10% difference
in output load when the output voltages are well matched.
When connecting converter outputs, it should be remembered that the switching will not be synchronous, hence some form of
coupling should be employed. One possible solution is to use a diode feed, this is suitable mainly for 12V and 15V output types only
where the diode voltage drop (typically 0.6V) will not significantly affect the circuit functionality (see figure 2). With 5V and 9V
supplies the diode drop is generally too large to consider as a suitable means of connecting paralleled converters. This method also
Copyright @ Shenzhen Sunyuan Technology Co., Ltd.
Edition-SZSY-07-01
Printed in P.R.C January 2007 Page 2 of 4

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अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
VB1209S-1WDC-DC CONVERTERYUAN
YUAN


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