UM3311

www.DataSheet4U.com UM3300 SERIES 10 Watt DC-DC Converters ♦ 2:1 Input Range ♦ 25 Watts/Cubic Inch ♦ Efficiency to 82% ♦ Short circuit protection SPECIFICATIONS All specifications are typical at nominal line, full load and 25°C unless otherwise noted. GENERAL SPECIFICATIONS Efficiency .…………………………………………... See Table Isolation Voltage …………………………….. 1500 VDC min. 8 Isolation Resistance .……………………..….. 10 ohms min. Switching Frequency .………….……………….. 400KHz typ. Operating Temperature Range …………… -25°C to +100°C Derating, 50°C to 100°C ………………….…... See Note 6 7 Case Temperature ……………………………... 100°C max. Cooling .………..…………………….…. Free-Air Convection. Storage Temperature Range ………….…... -40°C to+105°C 8 Case Material ………………….. Black-Coated Copper with Non-Conductive Base. Dimensions Case A ……………... 1.25 x 0.80 x 0.40 inches (31.75 x 20.32 x 10.16mm) Weight ..…………………………………………….…...…. 18g NOTES: 1. di/dt=0.1A/1uS, Vin= nominal line,Tc=25°C; load change =0.5 Io max. to 0.75 Io max. and 0.75 Io max. to 0.5 Io max. 2. Measured with 0.1uF ceramic cap. Connected to the output pins. 3. Measured from low line to high line. 4. Measured from full load to 1/4 full load. 5. The converter required a minimum 10% loading on the output. Operation below 10% load conditions will not damage these devices. However, they may not meet all listed spec. 6. Output Power (%) 100 INPUT SPECIFICATIONS Input Voltage Range, 24V .……………………..……. 18-36V 48V ……………….…………… 36-75V Input Filter ………………………………………..... Pi ...