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TPD120505D-3W датащи(PDF) 2 Page - Toppower Electronic Technology Limited |
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TPD120505D-3W датащи(HTML) 2 Page - Toppower Electronic Technology Limited |
2 / 3 page 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 |
Аналогичный номер детали - TPD120505D-3W |
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Аналогичное описание - TPD120505D-3W |
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