LC78 GAPTEC | Alldatasheet
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GAPTEC-Electronic GmbH & Co. KG sales@gaptec-electronic.com – www.gaptec-electronic.com Page 1 of 2 LC78_0.5 – Rev. 2017-2.0 Specifications subject to change without notice. Cost Effective Switching Regulator Low Profile Wide 4.75V to 28V Operating Input Range Efficiency up to 95% Compatible With LM78 Pin-Out Short Circuit Protection (SCP) No Heat Sink Required Low Ripple and Noise Low No Load Input Current LC78_0.5 Cost effective Series Switching Regulator The LC78_0.5 series cost effective high efficiency switching regulators are ideally suited to replace LM78xx linear regulators and are pin compatible. Wide Input Non-Isolated & Regulated, Single Output Part Number Input Voltage Range [VDC] Output Voltage [VDC] Output Current [A] Efficiency [Vin. min] Efficiency [Vin. max] Package LC78_03-0.5 4.75-28 3.3 0.5 93 84 SIP3 LC78_05-0.5 6.8-28 5.0 0.5 95 88 SIP3 LC78_12-0.5 15-28 12.0 0.5 95 93 SIP3 Add suffix “L” for 90° bend pins, for example: LC78_03-0.5L Model selection: LC78_yy-pp LC=Series; ##=Vout; pp=output current Example: LC78_05-0.5 LC=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 0.025%/°C TYP Storage humidity range: < 95% MTBF (using MIL-HDBK-217F): +25°C 2578x103 hours +75°C 1371x103 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 Full load ±3 % Line regulation Vin= min. to max. at full load 0.5 % 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 ±80 mV Switching frequency 330 KHz No load input current Vin=24VDC at 0% load 6 mA Thermal shutdown Internal IC junction 160 °C Max capacitance load 220 μF
GAPTEC-Electronic GmbH & Co. KG sales@gaptec-electronic.com – www.gaptec-electronic.com Page 2 of 2 LC78_0.5 – Rev. 2017-2.0 Specifications subject to change without notice. 0,70 0,25 FOOTPRINT DETAILS Pin Positive 1 +Vin
2 GND
Standard application circuit External capacitor table Footprint details Tube outline dimensions Part number C1 (Ceramic Capacitor) (Ceramic Capacitor) LC78_03-0.5 10μF/50V 22μF/6.3V LC78_05-0.5 10μF/50V 22μF/10V LC78_0.5 Cost effective Series Wide Input Non-Isolated & Regulated, Single Output Note: L=520 ± 2 mm Devices per tube quanttity: 42 PCS Front view Top view Right view Bended pins Operating Temperature (°C) Efficiency Vs Vin (Full Load) Ripple Vs Vin (Full Load) Output power (%)