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SSMG501 데이터시트(PDF) 1 Page - SeCoS Halbleitertechnologie GmbH |
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SSMG501 데이터시트(HTML) 1 Page - SeCoS Halbleitertechnologie GmbH |
1 / 4 page Elektronische Bauelemente SSMG501 Series Low Power Constant Current LED Driver 11-Dec-2009 Rev. B Page 1 of 4 http://www.SeCoSGmbH.com/ Any changes of specification will not be informed individually. RoHS Compliant Product A suffix of “-C” specifies halogen or lead -free DESCRIPTION SSMG501 is a simple general purpose current regulation component that can be easily used in various LED lighting applications. With the excellent load/line regulation and minimized chip current skew, SSMG501 keep LED’s current very stable even when power or load fluctuate in a wide range and make intensity very uniform in large area of LED light source. Except power supply function, the VDD pin of SSMG501 is output enable (OE) also, and can be used in digital PWM controlled circuit to achieve more precise current adjusting in gray level applications. The minimized power supply voltage let SSMG501 be used as a current regulative diode (CRD) when VDD and VP pin are tight together. This application makes SSMG501 very easy to be used. Just like a diode, when this diode is inserted in LED series, the current in circuit is regulated. In high supply voltage and low LED load voltage application, two or more single channel SSMG501 can be connected in series to share redundant high voltage. the extra redundant voltage can be share by each SSMG501 by a reasonable mechanism. This special capability let SSMG501 very suit for the usage of wide range power supply that many liner type LED drivers cannot work. FEATURES 18mA~30mA constant current regulator Self power structure, no extra power supply is needed 0.4V~17V output voltage 2 µS/2µS current rising/falling time Cascade-able for higher voltage application No external current setting resistor is needed 1.6V~12V supply voltage PWM dimming by VDD pin -40℃~120℃ junction operating temperature Less than 1%/V load(or line) regulation APPLICATIONS General LED Lighting LED back lighting LED torch/flashing RGB lighting MARKING CODE SSMG501-18: 1A18 SSMG501-20: 1A20 SSMG501-25: 1A25 SSMG501-30: 1A30 Note: 18, 20, 25, 30 = Output Current(mA) PACKAGE INFORMATION Weight: 0.07800g (Approximately) SOT-23 Millimeter Millimeter REF. Min. Max. REF. Min. Max. A 2.70 3.10 G 0.09 0.18 B 2.10 3.00 H 0.45 0.70 C 1.20 1.80 J 0.08 0.25 D 0.89 1.40 K - - E 1.78 2.04 L 0.89 1.02 F 0.30 0.50 Top View A L C B D G H J F K E 1 2 3 1 2 3 |
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