MP1528DK MPS [Monolithic Power Systems], MP1528DK Datasheet
MP1528DK
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MP1528DK Summary of contents
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The Future of Analog IC Technology DESCRIPTION The MP1528 is a step-up converter designed for driving up to nine (9) series White LEDs (LED) from a single cell Lithium-Ion battery. It regulates the LED current and includes an analog input ...
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... BIAS Part Number** Temperature –40°C to +85°C MP1528DK ** For Tape & Reel, add suffix –Z (eg. MP1528DK–Z) For Lead Free, add suffix –LF (eg. MP1528DK–LF–Z) (1) Recommended Operating Conditions Supply Voltage V Operating Temperature .............–40°C to +85°C Thermal Resistance QFN6 (3mm x 3mm) ............... 50 ...... 14... °C/W MSOP8 .................................. 150 ..... 65... ° ...
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TM ELECTRICAL CHARACTERISTICS 5.0V 1.2V, T BIAS EN BRT Parameter Open Load Shutdown Threshold Bias Current Feedback Comparator FB Regulation Threshold FB Hysteresis FB Input Leakage Current PWM Mode Using BRT Output-Off Threshold BRT ...
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TM TYPICAL PERFORMANCE CHARACTERISTICS Circuit on front page 3.6V, 9 LEDs noted. Feedback Voltage vs Input Voltage 430 420 410 400 390 380 370 2.5 3.0 3.5 4.0 4.5 5.0 INPUT VOLTAGE (V) MP1528_TPC01 Steady-State Operation ...
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TM PIN FUNCTIONS Pin # Name Description QFN6 MSOP8 Feedback Input. The MP1528 regulates the voltage across the current sense resistor between FB and GND. Connect a current sense resistor from the bottom of the LED string ...
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TM OPERATION BIAS 29V 1.23V BRT 6 The MP1528 utilizes a constant off-time control scheme. For maximum brightness, the BRT pin is biased at or above 1.2V. Its voltage is routed through the unity gain buffer whose ...
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TM APPLICATION INFORMATION Setting the LED Current The LED current is set by the voltage at BRT (V ) and the sense resistor (R1) at FB. The BRT V range for adjusting the LED current is BRT 0.27V to 1.2V. ...
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TM PACKAGE INFORMATION MP1528 Rev. 1.7 2/21/2006 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. MP1528 – 9 LAMP, 36V PRECISION WHITE LED DRIVER MSOP8 www.MonolithicPower.com © 2006 MPS. All Rights Reserved. 8 ...
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TM 2.90 3.10 PIN 1 ID MARKING PIN 1 ID INDEX AREA TOP VIEW 0.20 REF SIDE VIEW 2.90 0.80 1.50 0.40 0.95 RECOMMENDED LAND PATTERN NOTICE: The information in this document is subject to change without notice. Please contact ...