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BD6150MUV Datasheet(PDF) 1 Page - Rohm |
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BD6150MUV Datasheet(HTML) 1 Page - Rohm |
1 / 29 page 1/28 www.rohm.com 2011.06 - Rev.B © 2011 ROHM Co., Ltd. All rights reserved. LED Drivers for LCD Backlights White Backlight LED Driver for Medium to Large LCD Panels (Switching Regulator Type) BD6150MUV ● Description BD6150MUV is white LED driver IC with PWM step-up DC/DC converter that can boost max 40V and current driver that can drive max 30mA. The wide and precision brightness can be controlled by external PWM pulse. BD6150MUV has very accurate current drivers, and it has few current errors between each strings. So, it will be helpful to reduce brightness spots on the LCD. Small package type is suited for saving space. ● Features 1) High efficiency PWM step-up DC/DC converter (fsw=1.25MHz / 0.75MHz) 2) High accuracy & good matching current drivers (MAX30mA/ch) 3) Integrated 50V power Nch MOSFET 4) Soft start 5) Drive up to 10 in series 6strings in parallel 6) Wide input voltage range (4.2V ~ 26V) 7) Rich safety functions ・ Over-voltage protection ・ Over current limit ・ LED terminal open/short protect ・ External SBD open detect / Output short protection ・ UVLO ・ Thermal shutdown 8) Small & thin package (VQFN024V4040) 4.0 × 4.0 × 1.0mm ● Applications All middle size LCD equipments backlight of Notebook PC, portable DVD player, car navigation systems, etc. ● Absolute maximum ratings (Ta=25℃) Parameter Symbol Ratings Unit Condition Maximum applied voltage 1 VMAX1 7 V VREG, ISET, PWMDRV, FSEL, OCPSET, VDET, TEST Maximum applied voltage 2 VMAX2 25 V LED1, LED2, LED3, LED4, LED5, LED6 Maximum applied voltage 3 VMAX3 30.5 V VBAT, FAILFLAG, PWMPOW Maximum applied voltage 4 VMAX4 41 V SW Power dissipation 1 Pd1 500 *1 mW Power dissipation 2 Pd2 780 *2 mW Power dissipation 3 Pd3 1510 *3 mW Operating temperature range Topr -40 ~ +85 ℃ Storage temperature range Tstg -55 ~ +150 ℃ *1 Reduced 4.0mW/℃ With Ta>25℃ when not mounted on a heat radiation Board. *2 1 layer (ROHM Standard board) has been mounted. Copper foil area 0mm 2, When it’s used by more than Ta=25℃, it’s reduced by 6.2mW/℃. *3 4 layer (JEDEC Compliant board) has been mounted. Copper foil area 1layer 6.28mm 2, Copper foil area 2~4layers 5655.04mm2, When it’s used by more than Ta=25℃, it’s reduced by 12.1mW/℃. No.11040EBT06 |
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Similar Description - BD6150MUV_11 |
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