LCW78-2.0 GAPTEC | Alldatasheet
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GAPTEC-Electronic GmbH & Co. KG sales@gaptec-electronic.com – www.gaptec-electronic.com Page 1 of 2 LCW78_2.0 – Rev. 2018-1.1 Specifications subject to change without notice. LCW78_2.0 Cost effective Series Wide Input Non-Isolated & Regulated, Single Output High performance switching regulator Low profile Wide 4.5V to 36V operating input range Efficiency up to 94% Compatible with LM78 pin-out Short circuit protection (SCP) Low output ripple & noise Switching Regulator The LCW78_2.0 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] Max. capacitive load [µF] LCW78_01-2.0 4.5-36 1.8 2.0 87 78 220 LCW78_02-2.0 4.5-36 2.5 2.0 89 82 220 LCW78_03-2.0 4.5-36 3.3 2.0 93 87 220 LCW78_05-2.0 6.5 - 36 5 2.0 94 90 220 Example: LCW78_05-2.0 LCW= Series; 05= 5Vout; pp=2.0A Common specifications Short circut protection: Continuous, automatic recovery Cooling: Free air convection Operation temperature range: -40°C~+100°C Storage temperature range: -55°C ~+125°C Operating case temperature: 105°C MAX Temperature coefficient: 0.02%/°C MAX Storage humidity range: < 95% Soldering profile: 265°C/10sec. max MTBF (using MIL-HDBK-217F): +25°C: 1380x103 hours +60°C: 655x103 hours Packing quantities: 42pcs per Tube Case material: Non Conductive Black Plastic UL94-V0 Potting material: Epoxy UL94-V0 Weight: 2.3g 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 % Output current 0 2 A Internal power dissipation 0.9 W Line regulation Vin= min. to max. at full load 50 mV Load regulation 10% to 100% load 50 mV Output shorted current limit Vout= 0VDC 1 A Ripple + Noise 20MHz Bandwidth 50 mVp-p Dynamic load stability 100% <-> 50% load (50mA/uS) ±100 mV Switching frequency 380 KHz Case Thermal Impendance 70 °C/W 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 LCW78_2.0 – Rev. 2018-1.1 Specifications subject to change without notice. LCW78_2.0 Cost effective Series Wide Input Non-Isolated & Regulated, Single Output Typical characteristics Efficiency Mechanical dimensions and footprint Tube outline dimensions Standard application circuit Note: L=520 ± 0.5 mm Devices per tub quantity: 42 PCS Pin connections 1 +Vin
2 GND
Derating graph (natural convection) Vin vs Efficiency (full load) marking