Datasheet > BD8151EFV_09

BD8151EFV_09

更新时间： 2022-12-20 11:13:36

品牌	Logo	应用领域
罗姆 - ROHM		放大器
页数	文件大小	规格书
18页	499K
描述
Single-channel Source Voltage Output Power Supply + Gamma Buffer Amp ICs

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数据手册

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BD8151EFV_09 数据手册

BD8151EFV, BD8157EFV

Technical Note

●Reference Data (Unless otherwise specified, Ta = 25℃)

2.0

1.260

1.255

1.250

1.245

1.240

1.235

1.230

1.75

1.5

1.50

1.0

125℃

1.25

1.00

0.75

0.50

0.25

0.00

-40℃

0.5

0.0

25℃

-40℃

-0.5

-1.0

-1.5

-2.0

150℃

0.5

-40 -15

85 110

AMBIENT TEMPERATURE : Ta[

]

℃

SUPPLY VOLTAGE : VCC[V]

Fig. 3 Reference Voltage

Temperature

Fig. 1 Total Supply Current

Fig. 2 Standby Current

2.0

-4

2000

1500

1000

500

BD8157EFV

VFCLK=VCC

VFCLK=GND

1.5

1.0

0.5

0.0

-8

-12

-16

-20

1.5

4.5

7.5

-40 -15

110

]

0.5

1.5

2 .4

SUPPLY VOLTAGE : VCC[V]

AMBIENT TEMPERATURE : Ta[

SS VOLTAGE : VSS[V]

℃

Fig. 4 SS Source Current

Fig. 5 Reference Voltage

Temperature

Fig. 6 Switching Frequency

Temperature

100

125℃

25℃

-50

-100

-40℃

0.0

0.5

1.0

1.5

2.0

2.5

3.0

0.0

0.5

1.0

1.5

2.0

2.5

3.0

1.0

1.1

1.2

1.3

1.4

1.5

ENB VOLTAGE : VENB[V]

FCLK VOLTAGE : FCLK[V]

COMP VOLTAGE : VCOMP[V]

Fig. 7 FCLK Pin Current

Fig. 8 ENB Pin Current

Fig. 9 COMP Sinking vs Source

Current

100

VCC=3.3V f=600kHz

VCC=2.5V f=600kHz

VCC=2.5V f=1200kHz

VCC=3.3V f=1200kHz

BD8157EFV

BD8151EFV

0.02

0.05

0.1

0.15

0.2

0.25

0.3

0.15

0.3

0.45

0.6

-40

112250

OUTPUT CURRENT : IO[A]

AMBIENT TEMPERATURE : Ta[

]

℃

Fig. 12 Vcc = 3.3 V Power

Efficiency

Fig. 11 Vcc = 2.5 V Power

Efficiency

Fig. 10 Max. Duty Ratio Temperature

www.rohm.com

4/17

2009.07 - Rev.B

1 2 345 6 7...18

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