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K7809-1000 Dataheets PDF



Part Number K7809-1000
Manufacturers MORNSUN
Logo MORNSUN
Description DC-DC Converter
Datasheet K7809-1000 DatasheetK7809-1000 Datasheet (PDF)

K78XX-1000(L) Series WIDE INPUT NON-ISOLATED & REGULATED SINGLE OUTPUT FEATURES Product Program ● Efficiency up to 97% ● Operating temperature: -40°C ~ +85°C ● Pin-out compatible with LM78XX Linear ● Short circuit protection, thermal shutdown ● Low ripple and noise ● Micro miniature SIP package ● No heatsink required ● Industry standard pinout ● MTBF>2,000,000 hours Part Number K7801-1000(L) K78X2-1000(L) K7802-1000(L) K7803-1000(L) K7805-1000(L) Input Voltage(VDC) Nominal Range 12 4.7.

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K78XX-1000(L) Series WIDE INPUT NON-ISOLATED & REGULATED SINGLE OUTPUT FEATURES Product Program ● Efficiency up to 97% ● Operating temperature: -40°C ~ +85°C ● Pin-out compatible with LM78XX Linear ● Short circuit protection, thermal shutdown ● Low ripple and noise ● Micro miniature SIP package ● No heatsink required ● Industry standard pinout ● MTBF>2,000,000 hours Part Number K7801-1000(L) K78X2-1000(L) K7802-1000(L) K7803-1000(L) K7805-1000(L) Input Voltage(VDC) Nominal Range 12 4.75-26 12 4.75-26 12 4.75-28 24 4.75~28 24 6.5~32 RoHS Output Voltage (VDC) Current (mA) 1.5 1000 1.8 1000 2.5 1000 3.3 1000 5.0 1000 Efficiency (%)(Typ) Vin (min.) Vin (max.) 80 71 83 74 88 80 90 83 93 88 K78X6-1000(L) 24 9.0~32 6.5 1000 94 90 K7809-1000(L) 24 12~32 9.0 1000 95 92 K7812-1000(L) 24 16~32 12 1000 96 94 APPLICATIONS The K78xx-1000(L) series high efficiency switching regulators are ideally suited to replace 78xx linear regulators and are pin compatible. The efficiency of up to 97% means that very little energy is wasted as heat so there is no need for any heatsinks with their additional space and mounting costs. K7815-1000(L) 24 20~32 15 1000 Add suffix “L” for 90° bend pins, for example: K7805-1000L. Output Specifications Item Test conditions Output voltage accuracy 100% full load Line regulation Vin=min. to max. at full load Load regulation* 10% to 100% load Min. 97 94 Typ. ±2 ±0.2 ±0.4 Max. ±3 ±0.4 ±0.6 Units % Ripple & Noise 20MHz bandwidth (refer to figure 3) 25 35 mVp-p Short circuit input power** 0.5 1.8 W MODEL SELECTION K7 805- 1000 Short circuit protection Thermal shutdown Internal IC junction Continuous, automatic recovery 150 °C Output Current Output Voltage Product Series Switching frequency Output current limit 100% full load Vin= min. to max. (at full load) Vout:1.5V~3.3V Vout:5V~15V 280 330 450 KHz 3000 mA 2000 MORNSUN Science & Technology Co.,Ltd. Address: No. 5, Kehui St. 1, Kehui development center, Science Ave., Guangzhou Science City, Luogang district, Guangzhou,P.R.China. Tel: 86-20-28203030 Fax:86-20-28203068 Http://www.mornsun-power.com Quiescent current Temperature coefficient -40°C ~ +85°C ambient Max capacitance load * K78X2-1000 is ±0.75%(Max), ** K7801-1000 is 4W(Max). COMMON SPECIFICATIONS Item Test conditions Storage humidity Operating temperature Power derating (above 71°C) 5 8 mA ±0.02 %/°C 1000 μF Min. Typ. Max. Units 95 % -40 85 Operating case temp. Storage temperature 100 °C -55 125 Lead temperature 1.5mm from case for 10 seconds 300 Cooling Free air convection Case material MTBF 25℃(MIL-HDBK-217F) Plastic (UL94-V0) 2000 k hours Weight 3.7 g The copyright and authority for the interpretation of the products are reserved by MORNSUN Specifications subject to change without notice. K78XX-1000(L) B/1-2011 Page 1 of 4 TYPICAL CHARECTERISTICS Temperature Derating Graph Operating Temp.( C ) (figure1) TYPICAL APPLICATION CIRCUIT EXTERNAL CAPACITOR TABLE Part Number K7801-1000(L) K78X2-1000(L) K7802-1000(L) K7803-1000(L) K7805-1000(L) K78X6-1000(L) K7809-1000(L) K7812-1000(L) K7815-1000(L) C1 (Ceramic capacitor) 10µF/50V 10µF/50V 10µF/50V 10µF/50V 10µF/50V 10µF/50V 10µF/50V 10µF/50V 10µF/50V C2 (Ceramic capacitor) 22µF/6.3V 22µF/6.3V 22µF/6.3V 22µF/6.3V 22µF/16V 10µF/16V 10µF/16V 10µF/25V 10µF/25V +Vin 1 K78XX-1000(L) 3 + Vo u t C1 2 C2 GND (figure 2) GND 1. C1 and C2 are required and should be fitted close to the converter pins. 2. The capacitance of C1, C2 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. 2.54 mm Lo ad TEST CONFIGURATIONS (TA=25°C) 1 Efficiency and Output Voltage Ripple Test +Vin GND C1 25.4mm 25.4 mm 12.7mm 1 DC/DC Converter 3 2 +Vout Copper strip 1μ F 10μ F C2 Scope Ceramic Tantalum Copper strip 2 Start-up and Load Transient Response Test (figure 3) 50.8 mm +Vin GND C1 1 DC/DC Converter 3 2 +Vout Copper strip C2 Scop e Copper strip (figure 4) 2 .5 4 mm L oad The copyright and authority for the interpretation of the products are reserved by MORNSUN Specifications subject to change without notice. K78XX-1000(L) B/1-2011 Page 2 of 4 Lo ad OUTPUT RIPPLE REDUCTION +Vin C1 GND 1 DC/DC Converter +Vout 3 L 2 C2 22μ F To reduce output ripple, it is recommended to add a LC filter in output port. L: Recommended parameter 10μH ~ 47μH. (figure 5) CHARACTERISTICS CURVE Efficiency Efficiency(%) 100 Efficiency VS. Vin(full load) 90 80 70 60 50 40 4.75 9 11 15 K7801-1000 K78X2-1000 K7802-1000 K7803-1000 K7805-1000 K78X6-1000 K7809-1000 K7812-1000 K7815-1000 18 22 26 30 Vin(V) Ripple Ripple VS. Vin(full load) Ripple(mV) 30 25 20 15 10 5 0 4.75 9 11 15 18 22 26 30 K7801-1000 K78X2-1000 K7802-1000 K7803-1000 K7805-1000 K78X6-1000 K7809-1000 K7812-1000 K7815-1000 Vin(V) Efficiency VS.Loa.


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