PSR1.5-78xxLF PSR-SERIES Rev.09-2013 1500 mA Switching Regulator Wide Input Voltage Range SIP3 Plastic Package Non-Isolated & Non-Regulated Short Circuit Protection Low Ripple and Noise Mainzer Straße 151–153 D-55299 Nackenheim Tel. +49 6135 7026-0 Fax: +49 6135 931070 www.peak-electronics.de [email protected] The PSR series is a family of cost effective single output buck DC-DC converters. These converters are encapsulated in a non conductive black plastic 3-pin SIP case, continuous short circuit protection with automatic restart, good line / load regulation and ultra low quiescence current. Devices are filled up with flame retardant resin. High performance features include high efficiency operation up to 94%. All specifications typical at Ta=25°C, nominal input voltage and full load unless otherwise specified Input Specifications Voltage Range Wide Input (See Table) Output Specifications Voltage Accuracy Output Current Output Current Limit Short Circuit Input Power Short Circuit Protection Line Regulation Load Regulation (10% - 100% load) Ripple and Noise (20Mhz bandwidth) Temperature Coefficient Thermal Shutdown Capacitor Load ± 2% 1500mA 5000mA 0.5W (1.8W, max.) Continuous (Automatic Recovery) ± 0.5% ± 0.5% 20 mV pk-pk (45 mV pk-pk, max.) ± 0.02% / °C, max. 150°C 1000 uF General Specifications Efficiency Switching Frequency Humidity Reliability Calculated MTBF (MIL-HDBK-217F) See Table 340 kHz, typ. 95% rel H, max. > 2.0 Mhrs Physical Specifications Case Material Potting Material Weight Non Conductive Black Plastic (UL94V-0 rated) Epoxy (UL94V-0 rated) ~ 4.0 g Environment Specifications Operating Temperature (for 100%) Maximum Case Temperature Storage Temperature Cooling RoHS Conform -40 to +71°C 100°C, max. -55 to +125°C Free Air Convection (10mm distance required) Soldering 260°C, max (1.5mm from case 10sec.) PSR-Series – PSR1.5-78xxLF – Switching Regulator – SIP3 – Plastic Case Specification can change without a notice – We accept no liability for any inaccuracy or printing errors. Page 1/3 Selection Guide* C) %) (VD (%) e x .) ( g ) n.) a i n V ( a m m in in ge eR olta y (V y (V ltag c V c o n n t V e e u t p ci ci Inpu Out E ffi Effi Order # PSR1.5-781R5LF 4.75-18 1.5 83 78 PSR1.5-781R8LF 4.75-18 1.8 85 81 PSR1.5-782R5LF PSR1.5-783R3LF PSR1.5-7805LF PSR1.5-786R5LF 4.75-18 4.75-18 6.5-18 8-18 2.5 3.3 5 6.5 88 91 93 95 85 88 91 93 If you need other specifications, please enquire. * PSR1.5L-78xxLF for 90° bend pins. Package / Pinning / Derating PSR1.5-78xxLF PSR1.5L-78xxLF 5.08 (0.20) 5.08 (0.20) Bottom View Bottom View 2 3 11.50 (0.45) 2.15 (0.09) 0.30 (0.01) 1 1 Datecode PEAK 4.10 (0.161) 17.50 (0.69) 9.00 (0.354) 11.50 (0.45) Modelcode 2 3 0.50 (0.02) 9.00 (0.354) PEAK 1 2 Modelcode 3 Datecode 1 0.50 (0.02) 2 3 3.21 (0.13) All dimensions are typical in millimeters (inches). Tolerance x.xx = +/- 0.30 (+/- 0.01) / Specification may change without notice. Pin length is typical. # 1 2 3 PIN CONNECTIONS Switching Reg. +Vin GND +Vout PSR-Series – PSR1.5-78xxLF – Switching Regulator – SIP3 – Plastic Case Specification can change without a notice – We accept no liability for any inaccuracy or printing errors. Page 2/3 App Notes External Capacitor Table C1 C2 10uF/25V 22uF/6.3V 10uF/25V 22uF/6.3V 10uF/25V 22uF/6.3V PSR1.5-783R3LF 10uF/25V 22uF/6.3V PSR1.5-7805LF 10uF/25V 22uF/16V PSR1.5-786R5LF 10uF/25V 22uF/16V PSR1.5-781R5LF PSR1.5-781R8LF PSR1.5-782R5LF Standard Application Circuit 1. C1 and C2 are required and should be fittet close to the converter pins. PSR1.5-78xxLF 2. The capacitance of C1 and C2 sees external capacitor table, it can be increased properly if required. Tantalum or low ESR electrolytic capacitors may also suffice. 3. No parallel connection or plug and play. Input Filter Circuit Connect 10uH-47uH +Vin Vin Vo +Vout GND 10uF 10uF GND GND Output Filter Circuit Connect 10uH-47uH +Vin Vin Vo GND 10uF 10uF RL 22uF GND EMC Recommended Circuit 1mH +Vin Vin Vo +Vout GND 330uF 2.2uF Radiated Emissions: EN55022; Class B 1uF GND GND 1mH Conducted Emissions: EN55022; Class B ESD: EN61000-4-2; Level 3 6kV/8kV perf. Criteria B Note: In this datasheet, all the test methods of indications are based on corporate standards. PSR-Series – PSR1.5-78xxLF – Switching Regulator – SIP3 – Plastic Case Specification can change without a notice – We accept no liability for any inaccuracy or printing errors. Page 3/3