TWRB10 Series isolated 4:1 wide input range 10-watt single- and dual-output DC-DC converters are housed in a miniature 1.25” x 0.80” x 0.40” DIP package to fit tight spaces in railway applications. The series offers high efficiency up to 83 percent, 1500V DC isolation voltage, 100 percent burn-in for reliability and remote ON/OFF control for energy savings. These RoHS-compliant converters meet EN50155 Railway Standards and the UL 94V-0 flammability classification.

INPUT

• Operating Voltage Range
• 12Vin (nom): 9-36 Vdc
• 24Vin (nom): 18-75 Vdc
• 48Vin (nom): 40-160 Vdc
• Start Up Voltage
• 24Vin (nom): 9 Max. Vdc
• 48Vin (nom): 18 Max. Vdc
• Shutdown Voltage
• 24Vin: 8.5 Max. Vdc
• 48Vin: 17 Max. Vdc
• Voltages types: 4:1
• Start Up Time: Nominal Vin and constant resistive load, 450 Typ. Vdc
• Input Surge Voltage
• 24Vin, 100mS Max.: 50 Max. Vdc
• 48Vin, 100mS Max.: 100 Max. Vdc
• Input Reflected Ripple Current: 60mAp-p
• Input Filter: Pi Network
• Remote ON/OFF
• ON, 2.3-5V
• ON Current, 0.1mA
• OFF, 0-2.1V
• OFF Current, -0.102mA

OUTPUT

• Voltage Tolerance: -2 Min., 2 Max. %
• Line Regulation: -0.5 Min., 0.5 Max. %
• Load Regulation
• Single, -0.5 Min., 0.5 Max. %
• Dual (balanced load): -0.5 Min., 0.5 Max. %
• Cross Regulation: Dual (25% to 100% load): -0.5 Min., 0.5 Max. %
• Ripple and noise
• Output: 3-15V Types, BW=DC to 20MHz, 100 Max. mVp-p
• Output > 15V Types, BW=DC to 20MHz, 1% of Vout
• Temperature Coefficient: 0.01%/°C Max.
• Transient Response setting time: 25% load step change, 350 Max. µS
• Short circuit protection: Hiccup, automatic recovery