MP4653—REAL LIPS CC/CV MODE LLC TV LED DRIVER

MP4653 Rev 1.01

www.MonolithicPower.com

6

6/28/2012

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© 2012 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

(continued)

Parameter

Symbol

Condition

Min

Typ

Max

Units

VCOMP Peak Threshold

2.7

3

3.3

V

VCOMP

charging

current

at

hiccup mode

1.6

2

2.4

µA

VCOMP discharging current at

hiccup mode

MP)

1.6

2

2.4

µA

Burst mode (Pulse Skipping) threshold (VCOMP, ICOMP,VFB, IFB)

VCOMP threshold for burst mode

1.05

1.1

1.15

V

VCOMP

hysteresis

for

burst

mode

70

90

110

mV

VFB threshold for burst mode

1

1.1

1.2

VFB reset threshold for burst

mode

1

ICOMP threshold for burst mode

1.05

1.1

1.15

V

ICOMP hysteresis for burst mode

70

90

110

mV

IFB threshold for burst mode

1

1.1

1.2

IFB reset threshold for burst

mode

1

Over Bus Voltage Protection (VFB)

Over

bus

Voltage

Protection

Threshold

2.25

2.40

2.55

V

Delay Time

VFB>2.4V

1.7

2.3

2.9

µs

Short LED stage Detection (SSD)

SSD Threshold

-225

-200

-175

mV

SSD Detection Delay Time

SSD<-200mV

1.8

2.4

3

µs

Short Bus Stage Detection (OCP)

OCP detection threshold

-120

-100

-80

mV

OCP delay time

OCP<-100mV

1.8

2.4

3

µs

*: For design reference, not test parameter.