FAN7313 Просмотр технического описания (PDF) - Fairchild Semiconductor

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FAN7313

LCD Backlight Inverter Drive IC

Fairchild Semiconductor 

Electrical Characteristics

For typical values, TA=25°C and VIN=18V. For min./max. values, TA is the operating ambient temperature range with

-25°C ≤ TA ≤ 85°C and 4.5V ≤ VIN ≤ 18V, unless otherwise specified. Specifications to -25°C ~ 85°C are guaranteed by

design based on final characterization results.

Symbol

Characteristics

Test Condition

Min. Typ. Max. Unit

REFERENCE SECTION

V6 6V Regulation Voltage

V6line 6V Line Regulation

V6load 6V Load Regulation

OSCILLATOR SECTION (MAIN)

0<I6<10mA

5.76 6.00 6.24 V

0

0.1 V

0

0.1 V

fosc Oscillation Frequency(4)

Vcth CT High-Voltage(3)

Vctl CT Low-Voltage(3)

fstr Striking Frequency(4)

TA=25°C, RT=27kΩ

RT=27kΩ

TA=25°C, RT=27kΩ

RT=27kΩ

97.5 100.0 103.7 KHz

96 100 104 KHz

2.0

V

0.5

V

125.7 130 135.6 kHz

124 130 136 KHz

Tstoff Strike-Off Delay Time

Vfbth FB Threshold Voltage

OSCILLATOR SECTION (BURST)

ADIM=1

4

ms

0.35 0.45 0.55 V

foscb Oscillation Frequency

TA=25°C, BCT/FT=10nF, RT=27kΩ 301.6 318 332.5 Hz

BCT/FT=10nF, RT=27kΩ

296 318 340 Hz

Vbcth BCT/FT High-Voltage

Vbctl BCT/FT Low-Voltage

Vbctft BCT/FT Fault-Voltage

ERROR AMPLIFIER SECTION

Gm Error Amplifier Transconductance(3)

AV Error Amplifier Open-Loop Gain(3)

V2p2 2.2V Regulation Voltage

BCT/FT=10nF, RT=27kΩ

BCT/FT=10nF, RT=27kΩ

ADIM=1~2.2V

TA=25°C, ADIM > 2.2V

ADIM > 2.2V

1.9 2.0 2.1 V

0.4 0.5 0.6 V

3.5 4.0 4.5 V

100

2.119

2.086

360

59

2.150

2.150

600

2.195

2.215

µmho

dB

V

V

Iss

lsin

lsur

Gmolr

Soft-Start Current

CMP Sink Current

CMP Source Current

OLR Transconductance(3)

Iolr Open-Lamp Regulation Current

CMP=2V, FB < 0.45*ADIM

-3.2

CMP=1V, ADIM < FB

44

CMP=1V, 0.45*ADIM < FB < ADIM -67

300

Striking, OLR=2.5V

60

Normal, OLR=2.5V

60

-1.7 -1.2 µA

73 100 µA

50 -33 µA

719 1300 µmho

190 300 µA

260 400 µA

UNDER-VOLTAGE LOCK OUT SECTION

Vth

Vthhys

Ist

Iop

Isb

Start Threshold Voltage

Start Threshold Voltage Hysterisis

Start-up Current

Operating Supply Current

Stand-by Current

VIN=Vth-0.2

Not switching

ENA=0

3.9 4.2 4.5 V

0.20 0.45 0.60 V

20 55 120 µA

0.5 1.5 2.5 mA

60 100 150 µA

Notes:

3. These parameters, although guranteed, are not 100% tesed in production.

4. These parameters, although guranteed, are tested in only EDS test.

© 2006 Fairchild Semiconductor Corporation

FAN7313 Rev. 1.0.0

5

www.fairchildsemi.com

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