데이터 시트 (LM3410XMFLEDEV/NOPB)차례Features1Applications1Description1Connection Diagram2Absolute Maximum Ratings3Operating Ratings3Electrical Characteristics4Typical Performance Characteristics5Simplified Internal Block Diagram7Application Information8THEORY OF OPERATION8CURRENT LIMIT9Design Guide10SETTING THE LED CURRENT10DIM PIN / SHUTDOWN MODE10LED-DRIVE CAPABILITY10THERMAL SHUTDOWN10INDUCTOR SELECTION10INPUT CAPACITOR12OUTPUT CAPACITOR12DIODE13OUTPUT OVER-VOLTAGE PROTECTION13PCB Layout Considerations13Thermal Design14Thermal Definitions16LM3410 Thermal Models16Calculating Efficiency and Junction Temperature18Example Efficiency Calculation20Calculating RθJA and RΨJC22SEPIC Converter23Steady State Analysis with Loss Elements25SEPIC Converter PCB Layout26LM3410X SOT-23 Design Example 1: 5 x 1206 Series LED String Application27LM3410Y SOT-23 Design Example 2: 5 x 1206 Series LED String Application28LM3410X WSON Design Example 3: 7 LEDs x 5 LED String Backlighting Application29LM3410X WSON Design Example 4: 3 x HB LED String Application30LM3410Y SOT-23 Design Example 5: 5 x 1206 Series LED String Application with OVP31LM3410X SEPIC WSON Design Example 6: HB/OLED Illumination Application32LM3410X WSON Design Example 7: Boost Flash Application33LM3410X SOT-23 Design Example 8: 5 x 1206 Series LED String Application with VIN > 5.5V34LM3410X WSON Design Example 9: Camera Flash or Strobe Circuit Application35LM3410X SOT-23 Design Example 10: 5 x 1206 Series LED String Application with VIN and VPWR Rail > 5.5V36LM3410X WSON Design Example 11: Boot-Strap Circuit to Extend Battery Life37Revision History38크기: 1.45메가바이트페이지: 49Language: English매뉴얼 열기
