MP4031—PRIMARY-SIDE–CONTROLLED, OFFLINE LED CONTROLLER WITH PFC

MP4031 Rev.1.03

www.MonolithicPower.com

4

5/8/2013

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© 2013 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

Parameter

Symbol

Condition

Min

Typ

Max

Units

Supply Voltage

Operating Range

V

CC

After turn on

10

27

V

VCC Upper Level: Internal

Charging Circuit Stops and IC

Turns On

V

CCH

9.5

10

10.5

V

VCC Lower Level: Internal

Charging Circuit Trigger

V

CCL

Vcc falling, No fault

8.55

9

9.45

V

VCC Re-charge/IC Turn-Off

Level in Fault Condition

V

CCEN

Vcc falling, Fault occurs

6.45

7

7.55

V

Supply Current

VCC Charging Current from D

I

D_charge

VD=16V, VCC=5V

12.5

15

17.5

mA

Quiescent Current

I

q

No switching, VCC=15V

800

1000

µA

Quiescent Current at Fault

I

q_fault

Fault condition, IC latch,

VCC=15V

180

220

300

µA

Operating Current

I

cc

f

1

2

mA

Multiplier

Linear Operation Range

V

MULT

V

0

3

V

V

0.84

1.06

1.26

1/V

V

0.9

1.08

1.23

1/V

Gain

K

(5)

V

0.93

1.1

1.25

1/V

TRIAC Dimming Off Detection

Threshold

V

MUL_off

0.13

0.15

0.17

V

TRIAC Dimming On Detection

Threshold

V

MUL_on

0.32

0.35

0.38

V

TRIAC Dimming Off Line-Cycle

Blanking Ratio

D

off_LEB

25%

Error Amplifier

Reference Voltage

V

REF

0.386

0.4

0.414

V

Transconductance

G

EA

Guaranteed by design

250

µA/V

COMP Lower Clamp Voltage

V

COMPL

1.85

1.9

1.95

V

Max. Source Current

I

COMP+

57

µA

Max. Sink Current without

Dimmer

I

COMP-

-300

µA

Sink Current at TRIAC Dimming

Off

60

70

80

µA

Over-Load Detect Threshold

V

COMP_OLP

4.85

5

5.15

V