VLA313-2450 Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 Isolated DC-DC Converter CONNECTOR A CN1 Parts No. B2P3-VH, JST Polarity (Pin 1) -VIN Polarity (Pin 2) -- Polarity (Pin 3) +VIN CN2 B CN2 B2P-VH, JST +VO -VO -- CN1 TEST CIRCUIT DIAGRAM IO + C VIN + VLA313-2450 - A VO V LOAD - D BLOCK DIAGRAM +VIN +VO + RECTIFIER -VO CURRENT SENSING -VIN GATE POWER HIGH SIDE DRIVE LOW SIDE DRIVE Outline Drawing and Circuit Diagram Dimensions A B C D 05/09 Inches 4.53 2.75 1.57 0.20 Millimeters 115.0 70.0 40.0 5.0 CONTROL POWER MAIN CONTROL FG Description: VLA313-2450 is an isolated DC-DC converter designed for industrial equipment. It is designed to convert a rectified line voltage ranging from 475 to 850V DC into 24V DC. Total output power is 50W. Features: Input Voltage Range: 475V to 850V DC Output: +24V, 2.1A (Output Power: 50.4W) Electrical Isolation Voltage Between Input and Output: 2500 Vrms for 1 Minute Over-current Protection (Auto Resumption) Over-voltage Protection Application: On-board pre-regulator for industrial control equipment. 1 Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 VLA313-2450 Isolated DC-DC Converter Absolute Maximum Ratings, Ta = 25C unless otherwise specified Characteristics Symbol VLA313-2450 Units Input Voltage VIN 850 Volts IO 2.1 A Output Current Operating Temperature (No Condensation)*1 Topr -10 ~ +55 C Storage Temperature (No Condensation) Tstg -20 ~ +75 C Input-Output Isolation Voltage (Sine Wave Voltage, 60Hz, 1 Minute) VISO 2500 Vrms Electrical and Mechanical Characteristics, Ta = 25C, VIN = 680V unless otherwise noted Characteristics Symbol Input Voltage VIN Test Conditions Min. Typ. Max. Units Recommended Range 475 680 850 Volts Output Voltage 1 VO IO = 0.2 ~ 2.1A 22.8 24.0 25.2 Volts Input Regulation Reg-I IO = 2.1A, VIN = 475 ~ 850V -- -- 100 mV Load Regulation Reg-L IO = 0.2 ~ 2.1A -- -- 150 mV Ripple Voltage VP-P IO = 2.1A*2 -- -- 240 mV h IO = 2.1A -- 82 -- % Efficiency *1 Please refer to de-rating characteristics. *2 Not including spike noise. DE-RATING CHARACTERISTICS 30 120 100 VIN = 680V VIN = 600V 80 60 40 20 0 -10 0 10 20 30 40 50 60 70 80 18 15 12 9 60 50 40 30 6 20 3 10 0 0.5 1.0 1.5 2.0 2.5 0 3.0 3.5 0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 OUTPUT CURRENT, IO, (mA) OUTPUT CURRENT, IO, (mA) EFFICIENCY VS. INPUT VOLTAGE CHARACTERISTICS OUTPUT VOLTAGE VS. INPUT VOLTAGE CHARACTERISTICS INPUT CURRENT VS. INPUT VOLTAGE CHARACTERISTICS 0.18 30 27 OUTPUT VOLTAGE, VO, (VOLTS) 70 60 50 40 30 20 10 500 600 700 800 INPUT VOLTAGE, VIN, (VOLTS) 900 24 RL = 11.4 (IO = 2.1A) 0.16 21 18 15 12 9 0.12 0.10 0.08 0.06 6 0.04 3 0.02 0 RL = 11.4 (IO = 2.15A) 0.14 INPUT CURRENT, IIN, (A) IO = 2.1A 0 400 70 AMBIENT TEMPERATURE, (C) 80 EFFICIENCY, , (%) 80 21 0 100 2 24 VIN = 680V VIN = 600V 90 EFFICIENCY, , (%) 100 OUTPUT VOLTAGE, VO, (VOLTS) OUTPUT CURRENT DE-RATING, (%) 27 90 EFFICIENCY VS. OUTPUT CURRENT CHARACTERISTICS OUTPUT VOLTAGE VS. OUTPUT CURRENT CHARACTERISTICS 0 100 200 300 400 500 600 700 800 900 INPUT VOLTAGE, VIN, (VOLTS) 0 0 100 200 300 400 500 600 700 800 900 INPUT VOLTAGE, VIN, (VOLTS) 05/09 Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 VLA313-2450 Isolated DC-DC Converter Safety Precautions Great detail and careful attention are given to the production of HVICs, such as in the development, the quality of production, and in its reliability. However, the reliability of HVICs depends not only on their own factors but also in how they are used. When handling HVICs please note the following cautions. CAUTIONS Packaging: The materials used in packaging HVICs can only withstand normal external conditions. When exposed to outside shocks, rain, and certain environmental contamination, the packaging materials will deteriorate. Please take care in handling. Carrying: 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 HVICs, 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 30C with humidity at 40 to 60%. 2. Avoid locations where corrosive gasses are generated or where a lot of dust accumulates. 3. Storage cases must be static proof. 4. Avoid putting weight on boxes. Extended Storage: When extended storage is necessary, HVICs must be kept non-processed. When using HVICs which have been stored for more than one year or under severe conditions, be sure to check that the exterior is free from flaws or other damage. Maximum Ratings: To prevent any electrical damage, use HVICs within the maximum ratings. The temperature, current, voltage, etc., must not exceed these conditions. Polarity: To prevent HVICs from destruction and deterioration due to wrong insertion, make sure polarity of inserting leads into the board hole conforms to the external view for the terminal arrangement. 05/09 3