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V7803-500 Datasheet(PDF) 1 Page - CUI INC |
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V7803-500 Datasheet(HTML) 1 Page - CUI INC |
1 / 6 page rev. page date rev. page date DESCRIPTION: DC switching regulator, non-isolated 1 of 6 06/2008 20050 SW 112th Ave. Tualatin, Oregon 97062 phone phone 503.612.2300 fax fax 503.612.2382 PART NUMBER: V78XX-500 series features ·efficiency up to 96% ·no need for heatsinks ·wide input range ·short circuit protection ·thermal shutdown ·low ripple and noise ·pin compatible to LM78XX series ·non-isolated model input voltage output output efficiency number range voltage current Vin_min Vin_max V7803-500 4.75~28 Vdc 3.3 Vdc 500 mA 90% 80% V7805-500 6.5~32 Vdc 5 Vdc 500 mA 93% 84% V7806-500 8~32 Vdc 6.5 Vdc 500 mA 94% 87% V7809-500 11~32 Vdc 9 Vdc 500 mA 95% 91% V7812-500 15~32 Vdc 12 Vdc 500 mA 95% 92% V7815-500 18~32 Vdc 15 Vdc 500 mA 96% 93% OUTPUT SPECIFICATIONS item conditions min. typ. max. unit output voltage accuracy at 100% load ±2 ±3 % line regulation Vin = min. to max. at full load ±0.2 ±0.4 % load regulation 10% to 100% full load ±0.4 ±0.6 % output ripple 20 MHz bandwidth, output w/ 10μF cap 20 35 mVp-p short circuit protection continuous, auto recovery upon removal of short short circuit input power load impedance is ≤ 0.1Ω 0.3 0.8 W output current limit subject to over-temp shutdown 2000 mA switching frequency fixed switching frequency topology 280 330 450 KHz dynamic load stability 100%<->10% load ±100 mV quiescent current Vin_min to Vin_max at no load 5 7 mA thermal shutdown internal IC junction 150 °C temperature coefficient -40°C ~ 85°C ambient 0.02 %/°C max load capacitance 1000 μF GENERAL SPECIFICATIONS item conditions min. typ. max. unit operating temperature range see derating curve -40 85 °C operating case temperature -40 100 °C storage temperature range -55 125 °C cooling free air convection solderability 1.5 mm from case for 10 seconds 300 °C storage humidity range relative humidity, non-condensing 10 95 % case material plastic (UL94-V0) case thermal impedance 70 °C/W MTBF at 25°C per MIL-HDBK-217F 2,000,000 hours package weight 2.0 grams description The V78XX series of switching regulators are designed to replace 78XX linear regulators, with the objective of drop-in replacement without the need for a heatsink, because the V78XX series features high efficiency under all line conditions. Built-in short-circuit and over-temperature protections ensure very rugged operations. Additionally, low ripple and noise performance make the parts useful in a wide range of applications. *see Application Notes section (page 5) for positive to negative conversion options. |
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