LCB78 GAPTEC | Alldatasheet
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GAPTEC-Electronic GmbH & Co. KG sales@gaptec-electronic.com – www.gaptec-electronic.com Page 1 of 2 LCB78_0.5 – Rev. 2017-1.9 Specifications subject to change without notice. LCB78_0.5 Cost effective Series Wide Input Non-Isolated & Regulated, Single Output Low profile Wide 4.5V to 55V operating input range Efficiency up to 95% Compatible with LM78 Pin Out Short circuit protection (SCP) No heatsink required Low ripple and noise Low quiescent current (No Load) 200uA typ. Switching Regulator The LCB78_0.5 series cost effective high efficiency switching regulators are ideally suited to replace LM78xx linear regulators and are pin compatible. Part Number Input Voltage Range [VDC] Output Voltage [VDC] Output Current [A] Efficiency [Vin. min] Efficiency [Vin. max] LCB78_03-0.5 4.5-55 3.3 0.5 92 75 LCB78_05-0.5 6.5-55 5.0 0.5 95 82 Add suffix “L” for 90° bend pins, for example: LCB78_03-0.5L Model selection: LCB78_yy-pp LCB=Series; ##=Vout; pp=output current Example: LCB78_05-0.5 LCB=Series; ##= 5Vout; pp=0.5A Common specifications Short circut protection: Continuous, automatic recovery Temperature rise at full load: 25°C MAX, 15°C TYP Cooling: Free air convection Operation temperature range: -40°C~+85°C Storage temperature range: -55°C ~+125°C Lead temperature: 300°C MAX, 1.5mm from case for 10 sec Operating case temperature: 100°C MAX Temperature coefficient: -40°C to +85°C ambient 0.015%/°C TYP Storage humidity range: < 95% MTBF (using MIL-HDBK-217F): +25°C 2805x103 hours +70°C 2054x103 hours Packing quantities: 42pcs per Tube Case material: Non Conductive Black Plastic UL94-V0 Potting material: Epoxy UL94-V0 Weight: 1.3g Note: 1. All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2. Only typical models listed. If you need other model, please confirm the power, input voltage and output voltage, and then phone us. Output specifications Item Test conditions Min Typ Max Units Output voltage accuracy Vin= min. to max. at full load ±3 % Line voltage regulation Vin= min. to max. at full load 0.4 % Load regulation 0% to 100% load 0.6 % Ripple + Noise Vo=5.0VDC at 20MHz Bandwidth 30 mVp-p Dynamic load stability 100%-50% load ±100 mV Switching frequency 400 KHz No load input current 250 uA Thermal shutdown Internal IC junction 150 °C Max capacitance load 220 μF
GAPTEC-Electronic GmbH & Co. KG sales@gaptec-electronic.com – www.gaptec-electronic.com Page 2 of 2 LCB78_0.5 – Rev. 2017-1.9 Specifications subject to change without notice. LCB78_0.5 Cost effective Series Wide Input Non-Isolated & Regulated, Single Output Tube outline dimensions marking Typical characteristics Mechanical dimensions Standard application circuit Footprint details Efficiency Vs Vin (Full Load)Derating graph (natural convection) Ripple Vs Vin (Full Load) Note: L=520 ±2 mm Devices per tube quantity: 42 PCS Bended pins: Note: Tolerance XX.X ± 0.25 mm XX.XX ± 0.15 mm Front view Top view Right view