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MP3384 数据表(PDF) 6 Page - Monolithic Power Systems |
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MP3384 数据表(HTML) 6 Page - Monolithic Power Systems |
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6 / 13 page ![]() MP3384- 50V, 4-STRING WHITE LED DRIVER MP3384 Rev. 1.01 www.MonolithicPower.com 6 1/29/2013 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2013 MPS. All Rights Reserved. TYPICAL PERFORMANCE CHARACTERISTICS VIN =12V, 10 LEDs in series, 4 strings parallel, 20mA/string, unless otherwise noted. VSW 20V/div. VLED1 500mV/div. VOUT/AC 500mV/div. ILED 50mA/div. VSW 20V/div. VIN 5V/div. VOUT 20V/div. ILED 50mA/div. VSW 20V/div. VPWM 5V/div. VOUT 20V/div. ILED 50mA/div. VSW 20V/div. VOUT 20V/div. ILED 50mA/div. VSW 20V/div. VOUT 20V/div. ILED 50mA/div. VSW 20V/div. VLED1 20V/div. VOUT 20V/div. ILED 50mA/div. VSW 20V/div. VEN 5V/div. VOUT 20V/div. ILED 50mA/div. Steady State VIN Startup VEN Startup PWM Dimming fPWM=200Hz, DPWM=50% Open LED Protection Open all LED strings at working Short LED Protecton Short VOUT to LED1 at working Efficiency vs. Input Voltage 50 60 70 80 90 100 0 5 10 15 20 25 30 INPUT VOLTAGE (V) |
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