K78XX-500 Series WIDE INPUT NON-ISOLATED & REGULATED SINGLE POSITIVE/NEGATIVE OUTPUT multi-country patent protection RoHS FEATURES PRODUCT PROGRAM ● Efficiency Up To 96% ●Temperature Range: -40°C to +85°C ● No heat sink Required ● Pin-out compatible with LM78XX Linears ● Short circuit protection, Thermal Shutdown ● Low ripple and noise ● SIP Package ● Industry Standard Pinout ● MTBF>2,000,000 hours ● The K78xx-500 Series converters can also be used to convert a positive voltage into a negative voltage. ● Only two extra capacitors are required. ● Input voltage range can be lower than the output voltage for higher output voltages Part Number Input Voltage Range (VDC) K7803-500 K7805-500 K7812-500 K7815-500 Efficiency(%) Current (mA) Vin (Min) Vin (Max) 4.75-28 3.3 500 90 80 4.75-25 -3.3 -400 73 78 6.5-32 5.0 500 93 84 6.0-27 -5.0 -400 78 83 8-32 6.5 500 94 87 6.0-25 -6.5 -300 83 85 11-32 9.0 500 95 91 7.0-23 -9.0 -200 87 86 K78X6-500 K7809-500 Output Voltage (VDC) 15-32 12 500 95 92 7.0-20 -12 -200 85 87 18-32 15 500 96 93 7.0-17 -15 -200 84 89 OUTPUT SPECIFICATIONS Item Test Conditions Min Output Voltage accuracy 100% full load APPLICATIONS The K78xx-500 Series high efficiency switching regulators are ideally suited to replace 78xx linear regulators and are pin compatible. ±3 Vin= min. to max. at full load ±0.2 ±0.4 Load regulation 10% to 100% load ±0.4 ±0.6 Ripple+Noise* 20MHZ Bandwidth Short circuit protection Quiescent current Units % 20 35 mVp-p 0.5 1.8 W Continuous, automatic recovery Switching frequency 330 450 Positive Output 280 5 8 Negative Output 7 13 Thermal Shutdown Internal IC junction Temperature coefficient -40 °C to +85 °C ambient KHz mA °C 150 Max capacitance load K7805-500 Max Line regulation Short Circuit Input Power MODEL SELECTION Typ ±2 0.02 %/°C 1000 μF Max Units *Test ripple and noise by “parallel cable” method. O utput Cu rrent Outpu t Vo ltage Product Series COMMON SPECIFICATION Item Test Conditions Operating Temp. Range Min Typ -40 85 Operating Case Temp. -55 Cooling Lead Temperature Address: 2th floor 6th building, Huangzhou Industrial District, Guangzhou, China Tel: 86-20-38601850 Fax:86-20-38601272 Http://www.mornsun-power.com Storage Humidity Range MORNSUN reserves the copyright MTBF 125 Free Air Convection Case Material MORNSUN Science& Technology co.,Ltd. °C 100 Storage Temp. Range Plastic (UL94-V0) 1.5mm from case for 10 seconds 300 95 +25 °C，MIL-HDBK-217F Package Weight 2000 °C % K hours 2.0 g 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, then phone us. Specifications subject to change without notice K78XX-500Application-Notes A/3-2008 Page 1 of 3 TYPICAL CHARACTERISTICS EXTERNAL CAPACITOR TABLE Temperature Derating Graph Part Number C1,C3 (ceramic capacitor) C2,C4 (ceramic capacitor) K7803-500 10uF/50V 22uF/6.3V K7805-500 10uF/50V 22uF/10V K78X6-500 10uF/50V 10uF/10V K7809-500 10uF/50V 10uF/16V K7812-500 10uF/50V 10uF/25V K7815-500 10uF/50V 10uF/25V Operating Temp.( C ) STANDARD APPLICATION CIRCUIT Vi n 1 + Vout 3 K7 8XX- 500 APPLICATION EXAMPLE +Vin 2 +Vout K78XX-500 3 2 C3 GND C2 C1 1 C4 GND GND 1 GND K78XX-500 3 GND 2 C1 +Vin 1 K78XX-5 00 C2 3 -Vout Note: 1.C1 and C2 are required and should be fitted close to the converter pins. 2.The capacitance of C1 ,C2,C3 and C4 sees external capacitor table,it can be increased properly if required, and tantalum or low ESR electrolytic capacitors may also suffice. 3.No parallel connection or plug and play. 2 C2 C1 -Vout PACKAGE STYLE AND PINNING First Ang le Projection SIP-3 Package 7.55 (0.297) MORNSUN K78XX-500 RoHS XXYY 0.50 (0.020) 10.20 (0.402) 11.50 (0.453) 4.00(0.157) 3.21 (0.126) RECOMMENDED FOOTPRINT Top view,grid:2.54mm(0.1inch), diameter:1.00mm(0.039inch) 1.80 0.50 1 2 3 Bottom View (0.071 0.020) 5.08 (0.020) Note: Unit:mm(inch) Pin section:0.50*0.30mm(0.020*0.012inch) Pin section tolerances: 0.10mm( 0.004inch) General tolerances: 0.25mm( 0.010inch) MORNSUN reserves the copyright Specifications subject to change without notice 1 2 3 FOOTPRINT DETAILS Pin 1 2 3 Positive Negative +Vin +Vin GND -Vout +Vout GND K78XX-500Application-Notes A/3-2008 Page 2 of 3 CHARACTERISTICS(POSITIVE OUTPUT) Efficiency Ripple Ripple (mV) 50 Efficiency (%) 100 95 40 90 85 K7803-500 K7805-500 K78X6-500 K7809-500 K7812-500 K7815-500 K7803-500 K7805-500 30 K78X6-500 K7809-500 K7812-500 20 K7815-500 80 75 70 65 10 60 55 0 50 10 20 10 30 32 Vin(V) 20 30 32 Vin(V) Ripple VS Vin (Full Load) Efficiency VS Vin (Full Load) Ripple (mV) 50 Efficiency (%) 100 95 40 90 K7803-500 K7805-500 K78X6-500 K7809-500 K7812-500 K7815-500 85 80 75 70 K7803-500 K7805-500 K78X6-500 K7809-500 K7812-500 K7815-500 30 20 10 65 0 60 100 200 300 400 500 Efficiency VS Load (Vin=Vin_Min) 100 600 Current (mA) 200 300 400 500 Ripple VS Load (Vin=Vin_min) 600 Current (mA) Ripple (mV) Efficiency (%) 100 50 90 40 80 K7803-500 K7805-500 K78X6-500 K7809-500 K7812-500 K7815-500 70 60 50 40 K7803-500 K7805-500 K78X6-500 K7809-500 K7812-500 K7815-500 30 20 10 30 0 20 100 200 300 400 500 600 Current (mA) 100 Efficiency VS Load (Vin=Vin_Max) MORNSUN reserves the copyright Specifications subject to change without notice 200 300 400 500 Ripple VS Load (Vin=24V) K78XX-500Application-Notes 600 Current (mA) A/3-2008 Page 3 of 3