PSB Series Data Sheet Positive Switching Regulators Features RoHS lead-free-solder and lead-solder-exempted products are available Input voltage up to 144 VDC Single output of 5.1 to 48 VDC No input-to-output isolation High efficiency up to 96% Extremely wide input voltage range Low input-to-output differential voltage Very good dynamic properties Input undervoltage lockout Output voltage adjustment and inhibit function Continuously no-load and short-circuit proof 32 1.3 All boards are coated with a protective lacquer 69 106 2.7 4.2 Safety-compliant to IEC/EN 60950-1 and UL/CSA nd 60950-1 2 Ed. suitable for railway applications according to EN 50155 and Description EN 50121. The PSB Series of positive switching regulators are designed The case design allows for operation up to 71 C. The PSB as power supplies for electronic systems, where no input-to- Series is designed for wall or chassis mounting with faston output isolation is required. Their major advantages include a connections. high level of efficiency, high reliability, low output ripple, and excellent dynamic response. Models with input voltages up to Various options are available to adapt the converters to 144V are specially designed for secondary switched and different applications. battery-driven mobile applications. The converters are Table of Contents Page Page Description ............................................................................ 1 Electromagnetic Compatibility (EMC) ................................. 11 Immunity to Environmental Conditions ............................... 12 Model Selection .................................................................... 2 Mechanical Data ................................................................. 13 Functional Description .......................................................... 3 Electrical Input Data .............................................................. 4 Safety and Installation Instructions ..................................... 13 Electrical Output Data ........................................................... 6 Description of Options ........................................................ 14 Auxiliary Functions .............................................................. 10 Accessories......................................................................... 15 MELCHER BCD20026-G Rev AB, 15-Oct-2014 Page 1 of 15 The Power Partners.PSB Series Data Sheet Positive Switching Regulators Model Selection Table 1: PSB Series 2 Output Output Operating input Nom. input Efficiency Type Options voltage current voltage range voltage designation V V I A V V V V % % o nom o nom i i nom min typ 3 1 5.1 4 15 144 60 76 80 PSB5A4-9iR -7, L, P, C, G 5.1 6 8 80 40 79 82.5 PSB5A6-9iR -7, L, P, C, G 5.1 7 7 40 20 83 84.5 PSB5A7-9iR -7, L, P, C, G 5 5.1 8 7 40 20 82.5 84 PSB5A8-2 iR 4 1 12 3 18 144 60 87 88.5 PSB123-9iR -7, L, P, C, G 12 5 15 80 40 89 90.5 PSB125-9iR -7, L, P, C, G 5 12 6 15 40 20 89.5 91 PSB126-2 iR 4 1 15 3 22 144 60 89 90 PSB153-9iR -7, L, P, C, G 15 5 19 80 40 90.5 92.5 PSB155-9iR -7, L, P, C, G 5 15 6 19 40 30 91 92.5 PSB156-2 iR 4 1 24 3 31 144 60 92.5 94 PSB243-9iR -7, L, P, C, G 24 5 29 80 50 93.5 95 PSB245-9iR -7, L, P, C, G 5 24 6 29 60 40 94 96 PSB246-2 iR 4 1 36 3 44 144 80 94 95 PSB363-9iR -7, L, P, C, G 36 5 42 80 60 95.5 96.5 PSB365-9iR -7, L, P, C, G 4 1 48 3 58 144 80 95.5 96.5 PSB483-9iR -7, L, P, C, G 1 Surges up to 156 V for 2 s see Electrical Input Data 2 Efficiency at V and I i nom o nom 3 I = 5 A at V 80 V for V > 80 V, see fig. 4. o max i i 4 I = 4 A at V 80 V for V > 80 V, see fig. 4. o max i i 5 Options iR in a package NFND: Not for new designs. Preferred for new designs Note: The sequence of options must follow the order above. Part Number Description PSB 12 3 -9 L i R C G Positive switching regulator in case B02................... PSB Nominal output voltage in volt ............................. 5.1 to 48 Nominal output current in Ampre ........................... 3 to 8 Operational ambient temperature range T A 10 to 50 C ........................................................ -2 25 to 50 C ........................................................ -5 25 to 71 C (option) ......................................... -7 40 to 71 C ........................................................ -9 other (customer-specific models)......................-0 Input filter (option)............................................................ L Inhibit input ....................................................................... i 1 Control input for output voltage adjustment ................. R 1 Potentiometer (option)...................................................P Thyristor crowbar (option) .............................................. C RoHS-compliant for all 6 substances ........................... G 1 Feature R excludes option P and vice versa. Example: PSB123-9LiPCG designates a positive switching regulator with output 12 V, 3 A, ambient temperature range of 40 to 71 C, input filter, inhibit input, output adjust potentiometer, thyristor crowbar, and RoHS-compliant. MELCHER BCD20026-G Rev AB, 15-Oct-2014 Page 2 of 15 The Power Partners.