K7812-500R3

K78XX-500R3 Series-0.5A Non-isolated Non-isolated DC-DC Converters K78XX-500R3 Series – 0.5A 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 K78KXX-500R3-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 All specifications are typical at nominal input, full load and 25°C unless otherwise stated. Input Voltage Range Output Voltage (V) Min. Load (1) K7803-500R3 4.75-36V Nominal: 24V 3.3 K7805-500R3 6.5-36V Nominal: 24V K7812-500R3 15-36V Nominal: 24V Model Number Full. Load Full Load Efficiency(%) Typ. Vin Min./ Vin Max. Capacitive Load(uF) Max. 0 500 86/80 680 5 0 500 93/84 680 12 0 500 94/91 680 E-mail: bothhand_sales@bothhandww.com Output Current (mA) https://www.bothhandww.com Rev: A0 Page 1 of 6 Input Specifications Input voltage 4.75V Min. 36V max. Capacitor 24V nominal input Input filter Input Reverse Polarity See Positive to Negative Converter, install external fuse(1A Fast blow) No Load Input Current 1.5mA 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 95% RH max. Temperature coefficient ±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. Vout=10 -100% load Ripple and Noise (20MHz Bandwidth)(4) Vin=nom. Vout=100% load ±2.0% Typ ±4.0% max. ±0.4% Typ ±1.0% max. ±0.3% Typ ±0.6% max. 75mVp-p Typ. 100mVp-p max. Capacitive load Over Current Protection(OCP) 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% load step MTBF According to MIL-HDBK-217F,G.B. +25°C 2.0× 106Hrs min Safety(5) IEC/EN60950-1,2nd Edition,EN55032 meet