PM-28BD42B DC/DC CONVERTER SPECIFICATIONS GENERAL SPECIFICATIONS All Specification Typical At Nominal Line , Full Load And 25°C. Output Short Circuit Protection Indefinite IN/OUT Isolation Voltage 1500VDC IN/OUT Isolation Resistance 109Ohms MIN. Operation Temperature Range -25 °C to +71°C Storage Temperature Range -55 °C to +125°C Derating None Cooling Free Air Convection Output Short Indication Signal A. Standard TTL Signal. MAX. Driver Current 1.5mA. B. High Active, 1. When Output, Or Loop Resistance is 1.4K Ohms Short. 2.+OUTPUT TO COM. OR COM. TO –OUTPUT CURRENT≧8mA. LINE LOAD 2 OUTPUT 3 EFFICIENCY INPUT 1 OUTPUT OUTPUT REG. REG. RIPPLE, VOLTAGE VOLTAGE ％ TYP CURRENT MAX. MAX. NOISE,MAX. RANGE ACCURACY 36-72 VDC ±140VDC±3％ 100mA 200mV 83 ±0.5％ ±0.5％ NOTE : 1.Nominal Input Voltage Is 48VDC. 2.The Loading Test Condition Is From 15mA To 100mA. 3.20MHZ BW. MECHANICAL DRAWING P-DUKE POWER MATE TECHNOLOGY CO., LTD ●TTL ●-Vin ●+Vin -Vo● COM● +Vo● PM-28BD42B PIN CONNECTIONS PIN NO. PM-28BD42B 1 +INPUT 2 -INPUT 3 NO PIN 4 TTL SIGNAL 5 +OUTPUT 6 COM 7 -OUTPUT