MP1529DR MPS [Monolithic Power Systems], MP1529DR Datasheet
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MP1529DR
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MP1529DR Summary of contents
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The Future of Analog IC Technology DESCRIPTION The MP1529 is a step-up converter plus 3 current sources for driving two 6-LED backlight strings to 30mA and a 4-LED flash string to 150mA from a single Lithium-Ion battery. The step-up converter ...
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... EXPOSED PAD ON BACKSIDE CONNECT TO PIN 6 Part Number* Package QFN16 MP1529DR (4mm x 4mm) * For Tape & Reel, add suffix –Z (eg. MP1529DR–Z) For Lead Free, add suffix –LF (eg. MP1529DR–LF–Z) ELECTRICAL CHARACTERISTICS V = 3.6V +25°C, unless otherwise noted Parameter Shutdown Supply Current ...
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TM MP1529 – FIXED FREQUENCY STEP-UP CONVERTER LCD BACKLIGHT PLUS FLASH ELECTRICAL CHARACTERISTICS V = 3.6V +25°C, unless otherwise noted Parameter Current Sense to COMP Transconductance Oscillation Frequency SW Maximum Duty Cycle EN1, EN2 High Voltage ...
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TM MP1529 – FIXED FREQUENCY STEP-UP CONVERTER LCD BACKLIGHT PLUS FLASH TYPICAL PERFORMANCE CHARACTERISTICS Circuit of Figure 3.6V, 3 LEDs on LED1, 3 LEDs on LED2, 3 LEDs on LED3 20mA 40mA, ...
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TM MP1529 – FIXED FREQUENCY STEP-UP CONVERTER LCD BACKLIGHT PLUS FLASH TYPICAL PERFORMANCE CHARACTERISTICS Circuit of Figure 3.6V, 3 LEDs on LED1, 3 LEDs on LED2, 3 LEDs on LED3 20mA 40mA, ...
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TM MP1529 – FIXED FREQUENCY STEP-UP CONVERTER LCD BACKLIGHT PLUS FLASH BLOCK DIAGRAM VIN PWM COMP & OSC SOFT-START/ SS PWM TIMER EN1 LOGIC EN2 ISET1 CURRENT ISET2 PROGRAM ISET3 MP1529 Rev. 1.0 11/23/2005 MPS Proprietary Information. Unauthorized Photocopy and ...
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TM MP1529 – FIXED FREQUENCY STEP-UP CONVERTER LCD BACKLIGHT PLUS FLASH OPERATION The MP1529 white LED driver performs both dual string backlight and single string flash functions for portable applications. The features include pulse width modulated (PWM) dimming of the ...
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TM MP1529 – FIXED FREQUENCY STEP-UP CONVERTER LCD BACKLIGHT PLUS FLASH Mode EN1 Off L Backlight H (PWM) Backlight plus H (PWM) Preview Flash L Notes: 5) Backlight and Backlight plus Preview may use PWM for backlight brightness control. Only ...
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TM MP1529 – FIXED FREQUENCY STEP-UP CONVERTER LCD BACKLIGHT PLUS FLASH Selecting the Inductor The inductor is required to force the output voltage higher while being driven by the lower input voltage. Choose an inductor that does not saturate at ...
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TM MP1529 – FIXED FREQUENCY STEP-UP CONVERTER LCD BACKLIGHT PLUS FLASH TYPICAL APPLICATION CIRCUITS V IN EN1 EN2 C4 10nF GND Figure 2— Driving 1 Backlight String (20mA per WLED) and 1 Flash String (40mA Preview EN1 EN2 ...
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TM MP1529 – FIXED FREQUENCY STEP-UP CONVERTER LCD BACKLIGHT PLUS FLASH TYPICAL APPLICATION CIRCUITS V IN EN1 EN2 C4 10nF GND Figure 4—Driving Backlight Strings (20mA per WLED) and 1 Flash String (40mA Preview, PACKAGE INFORMATION 3.950 ...