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MP3386 数据表(PDF) 7 Page - Monolithic Power Systems |
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MP3386 数据表(HTML) 7 Page - Monolithic Power Systems |
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7 / 14 page  MP3386- 50V, 6 STRINGS WHITE LED DRIVERS MP3386 Rev. 1.0 www.MonolithicPower.com 7 1/19/2012 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2012 MPS. All Rights Reserved. TYPICAL PERFORMANCE CHARACTERISTICS 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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