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VB1209S-1W 반도체 회로 부품 판매점

DC-DC CONVERTER



YUAN 로고
YUAN
VB1209S-1W 데이터시트, 핀배열, 회로
15:29 SHENZHEN SUNYUAN TECHNOLOGY CO., LTD.
VBXXXXS/D-1W DC-DC CONVERTER
www.DataSheet4U.com
HIGH POWER DENSITY
S:7Pin SIP PACKAGE
D:14Pin DIP PACKAGE
SINGLE OUTPUT VOLTAGE
INDUSTRIAL STANDARD PIN-OUT
NO HEAT SINK REQUIRED
1KVAC ISOLATION
REULATED OUTPUT VOLTAGE
PCB MOUNTING
ELECTRICAL SPECIFICATIONS:
(All specifications tested typically @ 25°C, humidity<75%, nominal input and rated output unless otherwise noted.)
OUTPUT SPECIFICATIONS
Items:
Testing condition
Output accuracy:
At full load and nominal Vin
Output power:
Line regulation:
Input voltage from low to full load
Load regulation:
From 0% to full load
Ripple and noise:
20MHz bandwidth
Temperature drift:
Switching frequency
Short circuit protection
Min Typ
Max
±2%
1W
+/-0.5%max,(3.3 VDC output +/- 1 % max )
0.5% +/- 1 %
30mVp-p
±0.02 %/°C
100K HZ
Continue protection>30s
INPUT SPECIFICATIONS
Items:
Testing condition
Voltage range
Filter
Min
Typ
+/- 20%
Pi
Max
COMMON SPECIFICATIONS
Items
Min Typ.
Max
Operating temperature range
-40°C
+65°C
Storage temperature range
-55°C
+125°C
Humidity
<90%
Cooling
Free Air Convection
Leak current
1mA
Isolation voltage (VDC)
Isolation resistance (ohms)
Input to Output
1,000
109
Isolation capacitance (pF)
60
Efficiency (%)
See Product List
55
75
Case material
Non-conductive black plastic
Copyright @ Shenzhen Sunyuan Technology Co., Ltd.
Edition-SZSY-07-01
Printed in P.R.C January 2007 Page 1 of 4


VB1209S-1W 데이터시트, 핀배열, 회로
15:29
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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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