MP4652—HIGH PERFORMANCE OFF-LINE TV LED DRIVER

MP4652 Rev.1.01

www.MonolithicPower.com

5

9/23/2011

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Parameter

Symbol

Condition

Min

Typ

Max

Units

Fault Timer (FT)

Threshold

2.2

2.4

2.6

V

Source Current

8

µA

Comp

Clamp Voltage

0.60

V

Reference Current

FB = 0V

20

µA

Pull Down Current At Fault

Condition

Fault Mode is triggered

30

µA

Burst Frequency Synchronization (SYNC)

High Logic Level

1.4

V

Low Logic Level

0.7

V

Pulse Width

6

20

µs

Synchronizing Frequency

DC input PWM dimming,

Compared to the

BFS pin R and C

110%

120%

Fault Detection Threshold (SSD, FB)

SSD Threshold

2.22

2.36

2.55

V

SSD Detection Delay Time

7

µs

FB Threshold

1.1

1.2

1.3

V

FB Detection Delay Time

7

µs

VCC

Voltage

No load

8.7

9.7

10.5

V

Current

20

mA