FAN7319 Просмотр технического описания (PDF) - Fairchild Semiconductor

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FAN7319

LCD Backlight Inverter Drive IC

Fairchild Semiconductor 

Table 1. Protection Condition Table

Mode Category Item

Condition

OLR

Regulation

Striking

Protection

CMP

OLP

OVP

SLP

CMP-HIGH

Normal

Regulation

Protection

OLR

CMP

OLP

OVP

SLP

CMP-HIGH

VOLR(MAX)>2V

VOLR(MAX)>3V

VOLR(MAX)>3.25V

VCMP>2.5V &

VADIM>VOLP(MAX)

VOLP(MAX)<VOLP

VOLR(MAX)>OVPR

Disabled

Disabled

VOLR(MAX)>3V

VOLR(MAX)>3.25V

VCMP>2.5V &

VADIM>VOLP(MAX)

VOLP(MAX)<0.5V

VOLR(MAX)>OVPR

VOLR(MAX)<0.3V

VCMP>3V

Operation

CMP Source = 3µA

CMP Source = 0µA

CMP Sink

CMP Source = 2µA

Timer = 2µA

Timer = 2µA

CMP Source = 0µA

CMP Sink

DCR Mode

Fault

VENA > 2.5V Condition

VTIMER>3V,

5 Times

Repeat

Disabled

Disabled

Changing to

Normal

Frequency

Condition

VOLP(max)>VOLP

&

VOLR(max)<OVPR

CMP Source = 2µA

Timer = 2µA

Timer = 50µA

Timer = 50µA

Timer = 2µA

Disabled

VTIMER>1V,

1 Time

Disabled

© 2010 Fairchild Semiconductor Corporation

FAN7319 • 1.0.1

19

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