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And-tft-35vx-kit – Purdy AND-TFT-35VX-KIT User Manual

Page 2

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AND-TFT-35VX-KIT

Purdy Electronics Corporation • 720 Palomar Avenue • Sunnyvale, CA 94085

2

Tel: 408.523.8200 • Fax: 408.733.1287 • [email protected] • www.purdyelectronics.com

3/22/08

Power Consumption

Recommended Operating Conditions

(VSS1 = VSS2 = GND = 0V, Ta = 25°C)

Item

Symbol

Conditions

Specifications

Units

Typ.

Max.

Supply Current for Gate Driver (Hi level)

I

GG

V

GG

=+17V

0.12

0.15

mA

Supply Current for Gate Drive (Low level)

I

EE

V

EE

=-10V

0.15

0.19

mA

Supply Current for Source Driver (Digital)

I

DD1

V

DD1=

+3.3V

4.8

8.0

mA

Supplly Current for Source Driver (Analog)

I

DD2

V

DD2

=+10V

16.0

30.0

mA

Supply Current for Gate Driver (Digital)

I

CC

V

CC

=+3.3V

0.17

0.21

mA

LCD Panel Power Consumption

180

332

mW

Backlight Power Consumption

P

LED

384

456

mW

Total Power Consumption

564

788

mW

Item

Symbol

Specifications

Unit

Min.

Typ.

Max.

Supply Voltage for Source Driver

V

DD1

3.0

3.3

3.6

V

V

DD2

9.5

10

10.5

V

Supply Voltage for Gate Driver

V

GG

+17

V

V

EE

-10

V

V

CC

3.0

3.3

3.6

V

Digital Input Voltage

V

IH

0.8 V

DD1

V

DD1

V

V

IL

0

0.2 V

DD1

V

Recommended Driving Conditions for LED Backlight

(GND= 0V, Ta=25ºC)

Item

Symbol

Min.

Typ.

Max.

Unit

Remarks

Supply Voltage of LED Backlight

V

LED

9

9.6

11.4

V

I

L

= 20MA

Supply Current of LED Backlight

I

LED1

20

mA

Note 1

I

LED2

Backlight Power Consumption

P

LED

360

384

456

mW

Note 2

Note 1: LED B/L applied information, please refer to the appendix at the end.
Note 2: P

LED

= V

LED

* I

LED1

+ V

LED

* I

LED2

.