UPD160062 データシートの表示（PDF） - NEC => Renesas Technology

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UPD160062

384-/360-OUTPUT TFT-LCD SOURCE DRIVER

NEC => Renesas Technology 

µ PD160062

< Bias Current Control Function (Bcont) >

It is possible to fine-control the current consumption by using the bias current control function (Bcont pin). When

using this function, connect this pin to the stabilized ground potential (VSS2) via an external resistor (REXT). When not

using this function, leave this pin open.

Figure 9−1. Bias Current Control Function (Bcont)

HPC

H/L

µ PD160062

Bcont

LPC

H/L

REXT

VSS2

Refer to the table below for the percentage of current regulation when using the bias current control function.

Table 9−1. Current Consumption Regulation Percentage Compared to Normal Mode (VDD1 = 3.3 V, VDD2 = 8.7 V)

REXT (kΩ)

∞ (Open)

Current Consumption Regulation Percentage (%)

LPC = L

LPC = H/open

100

65

50

110

70

20

115

80

10

120

85

Remark The above current consumption regulation percentages are founded on

results of simulation and don’t assuring a characteristics of this product.

Caution Because the power and bias-current control functions control the bias current in the output amplifier

and regulate the over-all current consumption of the driver IC, when this occurs, the characteristics

of the output amplifier will simultaneously change. Therefore, when using these functions, be sure

to sufficiently evaluate the picture quality.

12

Data Sheet S16449EJ1V0DS

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