SR7805 Series Low Cost, Non-isolated Wide Input, Single Output POL Switching Regulators Electrical Specifications Specifications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice. Key Features: Output • Efficiency to 96% • 500 mA Output Current • Compact SIP Case • LM78xx Replacement • Wide Input Range • Short Circuit Protected • Thermal Shutdown • Low Noise • Low Low Cost Parameter Conditions Min. Typ. Max. Units ±2.0 ±3.0 % 1.5 - 2.5 VOUT Models ±0.5 ±1.0 3.3 - 15 VOUT Models ±0.2 ±0.4 1.5 - 2.5 VOUT Models ±0.4 ±0.75 3.3 - 15 VOUT Models ±0.4 ±0.6 25 35 Output Voltage Accuracy Line Regulation, VIN = Min to Max % Load Regulation, IOUT = 10% to 100% % Ripple & Noise (20 MHz) Thermal Shutdown See Note 2 150 Quiescent Current See Note 3 5 mV P - P °C 8 mA Temperature Coefficient 0.02 %/°C Capacitive Load 1,000 µF 1.8 W Typ. Max. Units 280 330 450 kHz Min. Typ. Max. Units -40 +25 +85 °C +100 °C +125 °C 300 °C 95 % Short Circuit Input Power Output Short Circuit 0.5 Continuous (Autorecovery) General Parameter Conditions Isolation Voltage Min. Not Isolated Switching Frequency Environmental Parameter Conditions Operating Temperature Range Ambient Operating Temperature Range Case Storage Temperature Range Lead Temperature MicroPower Direct 292 Page Street Suite D Stoughton, MA 02072 USA -55 1.5 mm From Case For 10 Sec Cooling Free Air Convection Humidity RH, Non-condensing Physical Case Size T: (781) 344-8226 F: (781) 344-8481 E: [email protected] W: www.micropowerdirect.com 0.46 x 0.295 x 0.40 Inches (11.6 x 7.50 x 10.2 mm) Case Material Non-Conductive Black Plastic (UL-94V0) Weight 0.07 Oz (2.0g) Reliability Specifications Parameter MTBF Conditions Min. MIL HDBK 217F, 25°C, Gnd Benign 2.0 Typ. www.micropowerdirect.com Max. Units MHours www.micropowerdirect.com Model Selection Guide Model Number SR7805-015W SR7805-018W SR7805-02W SR7805-03W SR7805-05W SR7805-06W SR7805-09W SR7805-12W SR7805-15W Input Voltage (VDC) Range 4.75 - 26.0 4.75 - 28.0 4.75 - 28.0 4.75 - 28.0 6.50 - 32.0 8.00 - 32.0 11.0 - 32.0 15.0 - 32.0 18.0 - 32.0 Nom. 12 12 12 24 24 24 24 24 24 Output Voltage Current (VDC) 1.5 1.8 2.5 3.3 5.0 6.5 9.0 12.0 15.0 Efficiency (%, Typ) (mA, Max) Min Vin 500.0 500.0 500.0 500.0 500.0 500.0 500.0 500.0 500.0 76 79 85 90 93 94 95 95 96 Max Vin 66 67 73 80 84 87 91 92 93 Characteristic Curves (Efficiency & Ripple) Notes: 1. Load regulation is specified for an output load change of 10% to 100%. 2. Measured at an internal IC junction. 3. Quiescent current is specified at 0% load for Vin = min to max. 4. This regulator is not designed to be used in parallel with another unit to increase output power. 5. The input should not exceed the range given in the model selection chart. Exceeding this limit could damage the unit. 6. The output current limit is 3A for the 1.5 - 3.3V output models, 2A for all other models. Efficiency vs Input Voltage (Full Load) Efficiency vs Load (Vin = Nom) Ripple vs Input Voltage (Full Load) Ripple vs Load (Vin = Nom) Typical Application Circuit Mechanical Dimensions Component Values Model Number Notes: 1. C1 is a low ESR ceramic capacitor used to minimize noise at the regulator. A tantalum or low ESR electrolytic capacitor may also be used. 2. C1 & C2 are required and should be mounted as close to the regulator pins as possible. SR7805-015W SR7805-018W SR7805-02W SR7805-03W SR7805-05W SR7805-06W SR7805-09W SR7805-12W SR7805-15W Capacitors C1 C2 (µF/V) (µF/V) 10 /50 10 /50 10 /50 10 /50 10 /50 10 /50 10 /50 10 /50 10 /50 22 / 6.3 22 / 6.3 22 / 6.3 22 / 6.3 22 / 10 22 / 10 22 / 16 22 / 25 22 / 25 Derating Curve Pin Connection Pin 1 2 3 Notes: • All dimensions are typical in inches (mm) • Tolerance x.xx = ±0.01 (±0.25) • Pin 1 is marked by a “dot” or indentation on the side of the unit Function +Vin Gnd +Vout MicroPower Direct We Power Your Success - For Less! 292 Page Street Ste D Stoughton, MA 02072 • TEL: (781) 344-8226 • FAX: (781) 344-8481 • E-Mail: [email protected]