VLA106-24154 Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 Isolated DC/DC Converter A B 24154 XXXX J L K G +VIN E H D 1 8 16 FILTER G F C 3 VO FILTER 9 CONSTANT VOLTAGE CIRCUIT 2 NC 1 -VO DRIVE CIRCUIT OVER-LOAD PROTECTION –VIN 10 11 OPTOCOUPLER Test Circuit Diagram 3 8 VIN + 100µF 50V 9 VLA106-24154 2 10 11 Outline Drawing and Circuit Diagram Dimensions Inches Millimeters A 1.87 47.5 B 0.945 24.0 C 0.71 18.0 D 1.60 40.64 E 0.22 5.5 F 0.53 13.5 G 0.18 4.5 H 0.10 2.54 J 0.18±0.06 4.5±1.5 K 0.02+0.004/-0.002 0.5+0.1/-0.05 L 0.01+0.01/-0.002 0.25+0.2/-0.05 1 220µF 50V + LOAD Description: VLA106-24154 is a DC-DC converter. Its output power is 4.5W and the input is isolated from the output. The over-load protection circuit is built-in. This device is used for on-board power supplies and industrial control equipment. Features: £ Input Voltage Range: 21.6 to 26.4V DC £ Output: +15V, 300mA (Output Power: 4.5W) £ Thin Profile, Lightweight Design £ Electrical Isolation Voltage Between Input and Output: 2500 Vrms for 1 Minute £ Built in Over-current Protection Circuit Application: On-board power supplies such as industrial equipment and control equipment. Note: All dimensions listed are maximums except D. Rev. 01/10 1 Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 VLA106-24154 Isolated DC/DC Converter Absolute Maximum Ratings, Ta = 25°C unless otherwise specified Characteristics Symbol VLA106-24154 Units Input Voltage (Between Pins 8, 9, and 10, 11) VIN 27 Volts Output Current (Between Pins 3 and 1) IO 300 mA °C Operating Temperature (No Condensation)* Topr -20 ~ 70 Storage Temperature (No Condensation) Tstg -20 to 85 °C Input-Output Isolation Voltage (AC, 1 Minute) VISO 2500 Vrms *Please refer to derating characteristics. Electrical and Mechanical Characteristics, Ta = 25°C, VIN = 24V unless otherwise specified Characteristics Symbol Input Voltage VIN Output Voltage Test Conditions Min. Typ. Max. Units Recommended Range 21.6 24.0 26.4 Volts Maximum Operating Range 18.0 — 26.4 Volts VO IO = 0 ~ 300mA 14.25 15.0 15.75 Volts Input Regulation Reg-I IO = 0 ~ 300mA, VIN = 21.6 ~ 26.4V — — 75 mV Load Regulation Reg-L IO = 0 ~ 300mA — — 120 mV Ripple Voltage VP-P IO = 300mA — — 120 mV h IO = 300mA — 75 — % Efficiency EFFICIENCY VS. OUTPUT CURRENT CHARACTERISTICS EFFICIENCY VS. INPUT VOLTAGE CHARACTERISTICS 100 100 VIN = 24V Ta = 25°C 60 40 OUTPUT VOLTAGE, VO, (VOLTS) 80 60 40 20 20 0 100 200 300 400 0 500 Io = 300mA Ta = 25°C 20 21 12 10 8 6 4 VIN = 24V Ta = 25°C 2 22 23 24 25 26 0 27 0 100 200 300 400 INPUT VOLTAGE, VIN, (VOLTS) OUTPUT CURRENT, IO, (mA) OUTPUT VOLTAGE VS. INPUT VOLTAGE CHARACTERISTICS INPUT CURRENT VS. INPUT VOLTAGE CHARACTERISTICS DERATING CHARACTERISTICS 800 Io = 300mA Ta = 25°C 8 4 350 OUTPUT CURRENT, IO, (mA) 12 500 400 Io = 300mA Ta = 25°C 640 INPUT CURRENT, IIN, (mA) 16 14 OUTPUT CURRENT, IO, (mA) 20 OUTPUT VOLTAGE, VO, (VOLTS) 18 16 EFFICIENCY, h, (%) EFFICIENCY, h, (%) 80 0 OUTPUT VOLTAGE VS. OUTPUT CURRENT CHARACTERISTICS 480 320 160 300 250 200 150 100 50 0 0 5 10 15 20 INPUT VOLTAGE, VIN, (VOLTS) 2 25 30 0 0 5 10 15 20 INPUT VOLTAGE, VIN, (VOLTS) 25 30 0 -10 10 30 50 70 90 110 AMBIENT TEMPERATURE, (°C) Rev. 01/10