| 전자부품 데이터시트 검색엔진 |
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MPQ3386-R 데이터시트(PDF) 4 Page - Monolithic Power Systems |
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MPQ3386-R 데이터시트(HTML) 4 Page - Monolithic Power Systems |
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4 / 6 page ![]() EVQ3386-R- 00A ― 6 STRING WHITE LED DRIVER EVQ3386-R-00A Rev.1.0 www.MonolithicPower.com 4 3/23/2015 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2015 MPS. All Rights Reserved. EVB TEST RESULTS Performance waveforms are tested on the evaluation board. VIN =12V, 10 LEDs in series, 6 strings parallel, 20mA/string, unless otherwise noted. INPUT VOLTAGE (V) Efficiency vs. Input Voltage Steady State Vsw 20V/div Vsw 20V/div VIN 5V/div VOUT 20V/div VOUT 20V/div ILED 100mA/div Vsw 20V/div VLED6 20V/div VOUT 20V/div ILED 100mA/div ILED 100mA/div Vsw 20V/div VEN 5V/div VOUT 20V/div ILED 100mA/div Vsw 20V/div VPWMI 2V/div VOUT 20V/div ILED 100mA/div Vsw 20V/div VFAULT 5V/div VOUT 20V/div ILED 100mA/div Vsw 20V/div VFAULT 10V/div VOUT 20V/div ILED 100mA/div 1us/div 1ms/div 1ms/div 2ms/div 200us/div 10ms/div 20ms/div Vin Startup Ven Startup PWM Dimming fPWM=2kHz, DPWM=50% Open LED Protection open all LED strings at working Short LED Protecton short Vout to LEDx at working Short LED Protection short Vout to GND at working 70 75 80 85 90 95 410 16 22 28 |
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