Datasheet > BD8113EFV_11

BD8113EFV_11

更新时间： 2022-10-15 21:09:54

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
20页	383K
描述
White Backlight LED Driver for Medium to Large LCD Panels (Switching Regulator Type)

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BD8113EFV_11 数据手册

Technical Note

BD8113EFV

●Electrical characteristic curves (Unless otherwise specified, Ta=25℃)

5.5

5.3

5.1

4.9

4.7

4.5

400

360

320

280

240

200

VCC=12V

Vcc= 12V

-40

-15

0.5

1.5

2.5

3.5

4.5

-40

-15

℃

TEMPERATURE:Ta [

]

℃

TEMPERATURE:Ta [

]

LED VOLTAGE:VLED[V]

Fig.1 VREG temperature characteristic

Fig.2 OSC temperature characteristic

Fig.3 ILED depend on VLED

Vcc= 12V

-40

-15

0.5

1.5

0.02

0.04

0.06

0.08

0.1

TEMPERATURE:Ta [

]

VDAC VOLTAGE:VDAC[V]

℃

Fig.4 ILED temperature characteristic

Fig.5 VDAC Gain①

Fig.3 VDAC Gain②

100

6.0

4.0

2.0

0.0

VCC=12V

Vcc=12V

100

150

200

250

100

150

200

250

SUPPLY VOLTAGE:Vcc [V]

Total_Io [mA]

OUTPUT CURRENT [mA]

Fig.7 Efficiency

(LED2 Parallel 5 step)

Fig.9 Circuit Current

(Switching OFF)

Fig.8 Efficiency

(LED2 Parallel 7 step)

0.66

0.64

0.62

0.60

0.58

0.56

0.54

VCC=12V

-40

-15

]

TEMPERATURE:Ta [

PWM VOLTAGE:VEN [V]

EN VOLTAGE:VEN [V]

℃

Fig.11 EN threshold voltage

Fig.10 Overcurrent detecting voltage

temperature characteristic

Fig.12 PWM threshold voltage

2011.07 - Rev.A

www.rohm.com

3/19

1 234 5 6 7...20

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