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TPD120505D-3W датащи(PDF) 2 Page - Toppower Electronic Technology Limited

номер детали TPD120505D-3W
подробное описание детали  3W Wide Input Isolated & Regulated twin Output Dip Dc-Dc Converter
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производитель  TOPPOWER [Toppower Electronic Technology Limited]
домашняя страница  http://en.gztoppower.com/
Logo TOPPOWER - Toppower Electronic Technology Limited

TPD120505D-3W датащи(HTML) 2 Page - Toppower Electronic Technology Limited

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TPD-3W Series
www.gztoppower.com
TEL:020-82019000
EMAIL:sales@gztoppower.com
page 2 of 3
All specifications typical at TA=25 °C, nominal input voltage and rated output current unless otherwise specified.
APPLICATION NOTE
1.Requirement on output load
In order to ensure the product operate efficiently and reliably, in addition to a max load (namely full load), a minimum load is specified for this kind of DC/DC
converter. Make sure the specified range of input voltage is not exceeded, the minimum output load no less than 10% load. If the actual load is less than the
specified minimum load, the output ripple may increase sharply while its efficiency and reliability will reduce greatly. If the actual output power is very small, please
add an appropriate resistor as extra loading, or contact our company for other lower output power products.
2. Recommended Circuit
All the TPD-3W Series have been tested according to the following recommended testing circuit before leaving factory. This series should be tested under load
(see Figure 1). If you want to further decrease the input/output ripple, you can increase capacitance properly or choose capacitors with low ESR. However, the
capacitance should not be too high, or may cause start-up problem. If you want to use the products in high EMI, please choose our metal packaged products
(TPD-3W). For every channel of output, provided the safe and reliable operation is ensured, the greatest capacitance of its filter capacitor sees (Table 1).
General: Cin: 5V,12V 100μF
24V,48V 22μF/10μF
Cout: 10μF/100mA
Output External Capacitor Table(Table 1)
Vout(VDC)
Cout(VDC)
5
680
9
470
12
330
15
220
24
100
RECOMMENDED CIRCUIT(Figure 1))
3. Input current
While using unstable power source, please ensure the output voltage and ripple voltage do
not exceed indexes of the converter. The preceding power source must be able to provide for
converter sufficient starting current Ip (Figure 2).
General: Ip ≤1.4*Iin-max
(Figure 2)
ISOLATION SPECIFICATIONS
Parameter
Conditions
Min.
Typ.
Max.
Units
Isolation voltage
Tested for 1 minute and 1mA max
1500
VDC
Isolation resistance
Test at 500VDC
1000
MΩ
Isolation capacitance
Input/Output, 100KHz/1V
100
pF
OUTPUT SPECIFICATIONS
Parameter
Conditions
Min.
Typ.
Max.
Units
Output power
Refer to selection guide
0.3
3
W
Main output voltage accuracy
Refer to recommended circuit
±1
±3
%
Vice-output voltage accuracy
Refer to recommended circuit
±3
±5
%
Load regulation
From 10% to 100% load
±0.5
±1
%
Line regulation
Input voltage from low to high
±0.2
±0.5
%
Temperature drift (Vout)
Refer to recommended circuit
±0.03
%/℃
Ripple
20MHz Bandwidth
20
50
mVp-p
Noise
20MHz Bandwidth
75
150
mVp-p
Switching frequency
100% load, input voltage range
300
KHZ
TOPPOWER


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