HYBRID IC VLA301-243R ISOLATED TYPE DC-DC CONVERTER DESCRIPTION The VLA301-243R is a DC-DC converter. Its output power is 3W and the input is isolated from the output. The over- OUTLINE DRAWING current protection circuit is built-in and it is the best for on-board power supplies, such as industrial equipment and 37.0max control equipment. 23.0max VLA301-243R ●XXXX FEATURES •Input voltage range:63 to 156V DC 4.5+/-1.5 •Output: +24V, 130mA (output power : 3.1W) •Thin-profile and lightweight design •Isolation between input and output : 2000Vrms, 1min •Built-in over-current protection circuit 2.54 7.0max APPLICATIONS On-board power supplies for control equipment. 0.5 +0.15 -0.1 7.0max 2.54×9=22.86 ① +0.2 0.25 -0.1 4.5max 13.0max 17.0max ⑩ BLOCK DIAGRAM +V IN 1 10 +Vo CONSTANT VOLTAGE CIRCUIT GATE DRIVE 9 -Vo OVER CURRENT PROTECTION -V IN 3 FEED BACK 4 NC 5 NC HYBRID IC VLA301-243R ISOLATED TYPE DC-DC CONVERTER MAXIMUM RATINGS (unless otherwise noted, Ta=25°C) Symbol Parameter Conditions Ratings Unit VIN Input voltage Between pins 1 and 3 160 V IO Output current Between pins 10 and 9 130 mA Topr Operating temperature No condensation (*1) -10 ~ +75 °C Tstg Storage temperature No condensation -20 ~ +85 °C Viso Input-output isolation voltage AC , 1min 2000 Vrms (*1) Please refer to de-rating characteristics. ELECTRICAL CHARACTERISTICS (unless otherwise noted, VIN=141V, Ta=25°C) Symbol Parameter Test conditions VIN Input voltage VO Limits Unit MIN. TYP. MAX. Recommended range 63 141 156 V Output voltage IO= 0 ~ 130mA 22.8 24.0 25.2 V Reg-I Input regulation IO=200mA, VIN=63 ~ 156V — — 50 mV Reg-L Load regulation IO= 0 ~ 130mA — — 100 mV VP-P Ripple voltage IO=130mA — — 150 mV η Efficiency IO=130mA — 73 — % TEST CIRCUIT DIAGRAM IO 1 + VIN A 10 + 10μF 450V VLA301-243R 220μF 50V 3 VO 9 5 4 It is used the electrolytic capacitors which has the low impedance for output capacitor. 2 Load HYBRID IC VLA301-243R ISOLATED TYPE DC-DC CONVERTER FOR SAFETY USING Great detail and careful attention are given to the production activity of Hics, such as the development, the quality of production, and in it’s reliability. However the reliability of Hics depends not only on their own factors but also in their condition of usage. When handling Hics, please note the following cautions. CAUTIONS Packing Carrying The materials used in packing Hics can only withstand normal external conditions. When exposed to outside shocks, rain and certain environmental contaminators, the packing materials will deteriorates. Please take care in handling. 1) 2) 3) 4) 5) Don’t stack boxes too high. Avoid placing heavy materials on boxes. Boxes must be positioned correctly during transportation to avoid breakage. Don't throw or drop boxes. Keep boxes dry. Avoid rain or snow. Minimal vibration and shock during transportation is desirable. Storage When storing Hics, please observe the following notices or possible deterioration of their electrical characteristics, risk of solderability, and external damage may occur. 1) Devices must be stored where fluctuation of temperature and humidity is minimal, and must not be exposed to direct sunlight. Store at the normal temperature of 5 to 30 degrees Celsius with humidity at 40 to 60%. 2) Avoid locations where corrosive gasses are generated or where much dust accumulates. 3) Storage cases must be static proof. 4) Avoid putting weight on boxes. Extended storage When extended storage is necessary, Hics must be kept non-processed. When using Hics which have been stored for more than one year or under severe conditions, be sure to check that the exterior is free from flaw and other damages. Maximum ratings To prevent any electrical damages, use Hics within the maximum ratings. current, voltage, etc. must not exceed these conditions. Polarity To protect Hics from destruction and deterioration due to wrong insertion, make sure of polarity in inserting leads into the board holes, conforming to the external view for the terminal arrangement. 3 The temperature, HYBRID IC VLA301-243R ISOLATED TYPE DC-DC CONVERTER Marketing division, Marketing planning department 6-41 Tsukuba, Isahaya, Nagasaki, 854-0065 Japan Keep safety first in your circuit designs! - ISAHAYA Electronics Corporation puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble with semiconductors may lead to personal injury, fire or property damage. Remember to give due consideration to safety when making your circuit designs, with appropriate measures such as (1)placement of substitutive, auxiliary circuits, (2)use of non-flammable material or (3)prevention against any malfunction or mishap. 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Please contact ISAHAYA Electronics Corporation or an authorized ISAHAYA products distributor when considering the use of a product contained herein for any specific purposes, such as apparatus or systems for transportation, vehicular, medical, aerospace, nuclear, or undersea repeater use. - The prior written approval of ISAHAYA Electronics Corporation is necessary to reprint or reproduce in whole or in part these materials. - If these products or technologies are subject to the Japanese export control restrictions, they must be exported under a license from the Japanese government and cannot be imported into a country other than the approved destination. Any diversion or re-export contrary to the export control laws and regulations of Japan and/or the country of destination is prohibited. - Please contact ISAHAYA Electronics Corporation or an authorized ISAHAYA products distributor for further details on these materials or the products contained therein. 4 Dec. 2007