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| 1/3 VIFSD1-DIP Series DC-DC Converter Rev. 01-2006 Description Designed to convert fixed voltages into an isolated regulated voltage, the VIFSD1-DIP series is well suited for providing boardmount local supplies in a wide range of applications, including mixed analog/digital circuits, test & measurement equip., process/machine controls, datacom/telecom fields, etc... Features *Isolated 1 W output *Regulated *High efficiency to 73% *Single voltage output *Small footprint *DIP package style *Industry standard pinout *UL94-V0 package *No heatsink required *3K Vdc isolation *Temperature range: -40C~+85C *No external component required *Low cost Model Number VIFSD1-S5-S5-DIP VIFSD1-S5-S9-DIP VIFSD1-S5-S12-DIP VIFSD1-S5-S15-DIP VIFSD1-S12-S5-DIP VIFSD1-S12-S9-DIP VIFSD1-S12-S12-DIP VIFSD1-S12-S15-DIP VIFSD1-S24-S5-DIP VIFSD1-S24-S9-DIP VIFSD1-S24-S12-DIP VIFSD1-S24-S15-DIP Input Voltage Nominal Range 5 Vdc 4.75~5.25 Vdc 5 Vdc 4.75~5.25 Vdc 5 Vdc 4.75~5.25 Vdc 5 Vdc 4.75~5.25 Vdc 12 Vdc 11.4~12.6 Vdc 12 Vdc 11.4~12.6 Vdc 12 Vdc 11.4~12.6 Vdc 12 Vdc 11.4~12.6 Vdc 24 Vdc 22.8~25.2 Vdc 24 Vdc 22.8~25.2 Vdc 24 Vdc 22.8~25.2 Vdc 24 Vdc 22.8~25.2 Vdc Output Voltage 5 Vdc 9 Vdc 12 Vdc 15 Vdc 5 Vdc 9 Vdc 12 Vdc 15 Vdc 5 Vdc 9 Vdc 12 Vdc 15 Vdc Output Current Max. Min. 150 mA 15 mA 111 mA 12 mA 83mA 9 mA 67 mA 7 mA 150 mA 15 mA 111 mA 12 mA 83 mA 9 mA 67 mA 7 mA 150 mA 15 mA 111 mA 12 mA 83 mA 9 mA 67 mA 7 mA Efficiency 69% 70% 71% 72% 69% 71% 72% 72% 70% 72% 73% 73% Package Style DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP DIP Note: 1. All specifications measured at TA=25C, humidity <75%, nominal input voltage and rated output load unless otherwise specified. Output Specifications Item Output power Line Regulation Load Regulation Output voltage accuracy Temperature drift Output ripple & noise Switching frequency Test conditions For Vin change of 1% 10% to 100% full load 100% full load 100% full load 20Hz - 300 KHz Bandwidth Full load, nominal input Min. 0.1 Typ. Max. 1 0.25 1 3 0.03 15 Units W % % %/C mVp-p KHz 10 100 V-Infinity, LLC, 20050 SW 112th Ave., Tualatin, OR 97062 www.v-infinity.com 1-866-372-1258 2/3 VIFSD1-DIP Series DC-DC Converter Rev. 01-2006 General Specifications Short circuit protection Temperature rise at full load Cooling Operating temperature range Storage temperature range Soldering temperature Storage humidity range Case material MTBF Burn-in <1 second 25C Max, 15C Typ. Free air convection -40C to +85C -55C to +125C <= 300C (1.5mm from case for 10 sec.) <95% Plastic (UL94-V0) >3,500,000 hrs. At +85C, for 4 hours at no-load and 4 hours at full load. Isolation Specifications Item Isolation Voltage Insulation Resistance Test Conditions Tested for 1 min. Test at 500 Vdc Min. 3000 1000 Typ. Max. Units Vdc M Typical Characteristics Temperature Derating Graph Output Power (%) Safe Operating Area 71 85 Ambient Temperature ( ) Outline Dimensions & Recommended Layout Pattern Side View Layout 1 14 9 7 Bottom View Pin 1 7 9 11 14 -Vin NC +Vout -Vout +Vin 1 14 9 7 Note: All Pins on a 2.54mm pitch; All Pin diameters are 0.50 mm; all dimensions in mm. V-Infinity, LLC, 20050 SW 112th Ave., Tualatin, OR 97062 www.v-infinity.com 1-866-372-1258 3/3 VIFSD1-DIP Series DC-DC Converter Rev. 01-2006 Application Notes: - Input filtering To reduce the reflected ripple current and minimize EMI, especially when the converter input is more than 2" away from the DC source, it is recommended to connect a low ESR electrolytic capacitor between Vin and Gnd. The values suggested are as shown in Table 1. If additional filtering is required, the capacitance may be increased, or expanded to an LC network as shown in Figure 1. - Minimum loading The converter needs a minimum of 10% loading to maintain output regulation. Operation under no-load conditions will not cause immediate damages but may reduce reliability, and cause performance not to meet specifications. - Protection The converter has minimal protection against input over-voltage or output over-load, and may be permanently damaged if exposed to these conditions. An input clamping device can be used for input voltage limiting. An input fuse or an output fuse can also be used to protect against over-loading. Table 1 Input Voltage 5V 12 V 24 V External Input Capacitance - Unregulated input 4.7 F 2.2 F 1.0 F As fixed input converters, this series can accept voltages within a limited range of the nominal input. Otherwise the converter may not function properly or may be damaged. An optional regulator can be used at the input to bring voltage within regulation, as shown in Figure 2. - Output filtering An output capacitor as shown in Table 2 may be used to reduce output ripples and noise. requirements as shown in Table 2. Output capacitance may be increased for additional filtering, but should not exeed 10F. It can also be expanded to an LC network as in Figure 1. +Vin -Vin REG +Vout DC DC -Vout Table 2 Vout 5V 9V 12 V 15 V External Ouput Capacitance 4.7 F 2.2 F 1.0 F 0.47 F L L +Vin C +Vout DC DC C -Vin -Vout V-Infinity, LLC, 20050 SW 112th Ave., Tualatin, OR 97062 www.v-infinity.com 1-866-372-1258 |
Price & Availability of VIFSD1-DIP
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