B78E05-0R5

B78EXX-0R5 Series Non-isolated DC-DC Converters Features  Efficiency up to 94%, no heatsinks required  Pin-out compatible with LM78XX linears  Low profile (L/W/H=11.6 x 10.4 x 7.6mm)  Short circuit protection, thermal shutdown  Operating ambient temperature range: -40℃to +85℃  EN/IEC 60950-1, 2nd Edition, EN55032 safety meets Description The B78EXX-0R5-Series are high efficiency switching regulators and ideal substitutes for LM78xx series three-terminal linear regulators. The converters feature high efficiency, low loss, short circuit protection, and there is no need for a heat sink. These products are widely used in applications such as industrial control, instrumentation and electric power. Technical Specification Model Number All specifications are typical at nominal input, full load and 25°C unless otherwise stated. Output Full Load Capacitive Output Current (mA) Input Voltage Voltage Efficiency(%) Typ. Load(uF) Range Min. Load (1) Full. Load (V) Vin Min./ Vin Max. Max. B78E03-0R5 4.75-30V(*1) Nominal: 24V 3.3 0 500 90/76 680 B78E05-0R5 6.5-36V Nominal: 24V 5 0 500 93/83 680 B78E12-0R5 15-36V Nominal: 24V 12 0 500 94/91 100 Note: *1: Input voltage up to 36V max,but it is recommended not to operate at this voltage for a long time E-mail: bothhand_sales@bothhandww.com Web:www.bothhandww.com Page 1 of 6 Input Specifications Input voltage 24V nominal input Input filter Input Reverse Polarity 4.75V Min. 36V max. Capacitor See Positive to Negative Converter, install external fuse(1A Fast blow) No Load Input Current 3mA max. Short Circuit Input Current 10mA Typ,30mA max. Hot swap is not supported Environmental Specifications Operating ambient temperature with derating -40°C to +85°C Storage temperature range -55°C to +125°C Maximum case temperature Operating humidity +100°C Non-condensing Temperature coefficient 95% RH max. ±0.015% / °C Typ. RoHS Compliant RoHS 2.0 Output Specifications Voltage accuracy At 100% load Line regulation Vin=min. to max. Vout=100% load Load Regulation Vin=nom. Ripple and Noise (20MHz Bandwidth)(4) Vin=nom. Vout=100% load Vout=10 -100% load Capacitive load Over Current Protection(OCP) ±2.0% Typ ±4.0% max. ±0.4% Typ ±1.0% max. ±0.3% Typ ±1.0% max. 75mVp-p Typ. 100mVp-p max. 680uF max 100%=0.5A 200~400% Short Circuit Protection (SCP) Continuous, autorecovery General Specifications Efficiency See table Switching frequency Pulse width modulation(PWM), Vin=nom. Dynamic load response 75-100-75% MTBF According to MIL-HDBK-217F,G.B. +25°C 2.0×106Hrs min Safety(5) IEC/EN60950-1,2nd Edition,EN55032 meet load step Physical Specifications Dimensions 2MHz