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BD1604MUV データシート(PDF) 1 Page - Rohm |
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BD1604MUV データシート(HTML) 1 Page - Rohm |
1 / 11 page 1/10 www.rohm.com 2011.06 - Rev.B © 2011 ROHM Co., Ltd. All rights reserved. LED Drivers for LCD Backlights Backlight LED Drivers for Small LCD Panels (Charge Pump Type) BD1604MUV, BD1604MVV ● Description This LSI is a 4 white LED driver for small LCD backlight. At the charge pump type, the number of external devices is minimized. ● Features 1) 4 parallel LED driver is mounted. 2) The LED current can be controlled via an external resistance. 3) Maximum current is 120mA (30mA × 4). 4) LED1 to LED4 can be turned on or off via an external control pin. 5) The relative current accuracy among LEDs (LED1 to LED4) is 3%. 6) Automatically transition to each mode (×1.0, ×1.5, ×2.0). 7) High efficiency (90% or more at maximum) is achieved. 8) Various protection functions such as output voltage protection function, current overload limiter and thermal shutdown circuit are mounted. ● Applications This driver provides for: - Backlight using white LED - Auxiliary lights for mobile phone cameras and simplified flash ● Lineup Parameter BD1604MUV BD1604MVV Number of LED channels 4ch 4ch Maximum current 120mA 120mA Package VQFN016V3030 3.00mm×3.00mm SQFN016V4040 4.00mm×4.00mm ● Absolute Maximum Rating (Ta=25℃) Parameter Symbol Ratings Unit Power supply voltage Vmax 7 V Allowable loss BD1604MUV Pd 700 * 1 mW BD1604MVV 780 * 2 Operating temperature range Topr - 30~85 ℃ Storage temperature range Tstr - 55~150 ℃ *1 When a glass epoxy substrate (70mm×70mm×1.6mm) has been mounted, this loss will decrease 5.6mW/℃ if Ta is higher than or equal to 25℃. *2 When a glass epoxy substrate (70mm×70mm×1.6mm) has been mounted, this loss will decrease 6.24mW/℃ if Ta is higher than or equal to 25℃. ● Recommended Operation Range Parameter Symbol Limits Unit Condition Operating supply voltage VBAT 2.7~5.5 V VBAT voltage No.11040EBT23 |
同様の部品番号 - BD1604MUV |
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同様の説明 - BD1604MUV |
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