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BD6581GU PDF预览

BD6581GU

更新时间: 2024-01-05 02:02:25
品牌 Logo 应用领域
罗姆 - ROHM 驱动器稳压器开关
页数 文件大小 规格书
27页 745K
描述
White Backlight LED Driver for Medium to Large LCD Panels (Switching Regulator Type)

BD6581GU 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:BGA
包装说明:VFBGA,针数:24
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.82
接口集成电路类型:LED DISPLAY DRIVERJESD-30 代码:S-PBGA-B24
JESD-609代码:e1长度:2.6 mm
复用显示功能:NO功能数量:1
区段数:72端子数量:24
最高工作温度:85 °C最低工作温度:-30 °C
封装主体材料:PLASTIC/EPOXY封装代码:VFBGA
封装形状:SQUARE封装形式:GRID ARRAY
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1 mm最大供电电压:22 V
最小供电电压:2.7 V标称供电电压:12 V
表面贴装:YES温度等级:OTHER
端子面层:Tin/Silver/Copper (Sn/Ag/Cu)端子形式:BALL
端子节距:0.5 mm端子位置:BOTTOM
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:2.6 mm

BD6581GU 数据手册

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LED Drivers for LCD Backlights  
White Backlight LED Driver  
for Medium to Large LCD Panels  
(Switching Regulator Type)  
BD6581GU  
No.10040EAT13  
Description  
BD6581GU is white LED driver IC with PWM step-up DC/DC converter that can boost max 42.5V and current driver that can  
drive max 25mA. The wide and precision brightness can be controlled by external PWM pulse.  
BD6581GU 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=1MHz), max efficiency 93%  
2) High accuracy & good matching (±1.5%) current drivers 6ch  
3) Drive up to 12in series, 6 strings in parallel =72 white LEDs (white LED Vf=3.5Vmax)  
4) Wide input voltage range (2.7V ~ 22V)  
5) Rich safety functions  
Over-voltage protection (OVP)  
Over current limit  
External SBD open detect  
Thermal shutdown  
6) Small & thin package (VCSP85H2) 2.6×2.6×0.85mm  
Absolute Maximum Ratings  
All middle size LCD equipments backlight of Notebook PC, portable DVD player, car navigation systems, etc.  
Parameter  
Symbol  
Ratings  
Unit  
Condition  
TEST, VREG, SENSP, SENSN, SW, RSTB,  
PWMPOW, PWMDRV, FAILSEL, ISETH, ISETL  
Maximum applied voltage 1  
Maximum applied voltage 2  
Maximum applied voltage 3  
Power dissipation 1  
VMAX1  
VMAX2  
VMAX3  
Pd1  
7
25  
V
V
LED1, LED2, LED3, LED4, LED5, LED6, VBAT  
VDET  
50.5  
V
1100  
mW  
*1  
-
Operating temperature range  
Topr  
-30 ~ +85  
-
Storage temperature range  
Tstg  
-55 ~ +150  
(*1) This value is the measurement value that was mounted on the PCB by ROHM.  
Temperature deleting: 8.8mW/ from Ta>25℃  
Recommended Operating Range (Ta=-30~ +85)  
Limits  
Parameter  
Symbol  
VBAT  
Unit  
V
Condition  
Min.  
2.7  
Typ.  
12.0  
Max.  
22.0  
Power supply voltage  
www.rohm.com  
2010.03 - Rev.A  
1/26  
© 2010 ROHM Co., Ltd. All rights reserved.  

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