DT8211 データシートの表示（PDF） - Unspecified

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DT8211

LCD Back Light Inverter Drive IC - The DT8211 is a LCD backlight inverter controller for driving CCFL (Cold Cathode Fluorescent Lamp)

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DMB Technology

DT8211

LCD Back Light Inverter Drive IC

8. Electrical characteristics

TA = 25°C, VCC = 15V, unless otherwise specified

Parameter

Main oscillator section

RT Voltage

CT Oscillation Frequency

Main Oscillation Frequency

Triangular High Voltage

Triangular Low Voltage

Burst oscillator section

Burst Oscillation Frequency

Triangular High Voltage

Triangular Low Voltage

Dimming section

ADIM Input Impedance

BDIM Input Impedance

ADIM Int. Bias Voltage

BDIM Int. Bias Voltage

Protection section

Init. PROT Discharging I.

PROT Charging Current

PROT Threshold Voltage

IFB Open Lamp Detect V.

ICMP Striking Mode V.

General

Enable On Voltage

Enable Off Voltage

Quiescent Current

Maximum Oscillation Duty

Output section

P-CH Output High Voltage

P-CH Output Low Voltage

N-CH Output High Voltage

N-CH Output Low Voltage

Symbol

VRT

FCT

FMAIN

VHM

VLM

FoscB

VHB

VLB

RADIM

RBDIM

VADIM,B

VBDIM,B

IPROT,INI

IPROT,CG

VPROT

VOLP,IFB

VSTK,ICMP

VEN,ON

VEN,OFF

ICC

DMAX

VPOH

VPOL

VNOH

VNOL

Conditions

when RT>20kΩ

when RT>20kΩ

when IFB<0.75V

ISINK=200μA

ISOURCE=200μA

ISINK=200μA

ISOURCE=200μA

Min

Typ

Max

Unit

1.96 2.0

97

100

48.5 50

2.8

3.0

1.0

1.2

2.04 V

103 kHz

51.5 kHz

3.2

V

1.4

V

291 300 309 Hz

1.9

2.0

2.1

V

0.7

0.8

0.9

V

80

100 120 KΩ

80

100 120 KΩ

2.4

2.5

2.6

V

2.4

2.5

2.6

V

3

mA

0.35 0.5

0.65 μA

2.8

3.0

3.2

V

0.65 0.75 0.85 V

3.2

3.5

3.8

V

2.0

V

0.8

V

7.0

mA

48

%

VCC - 0.5 VCC - 0.1 VCC

V

VCC - 14 VCC - 12 VCC - 10 V

10.0 12.0 14.0 V

0

0.1

0.5

V

Rev1.1– 11 July 2008

© 2007 DMB Tech. All Rights Reserved

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