MP3363

– SINGLE-STRING, 1.8V MINIMUM VIN, 36 VOUT BOOST LED DRIVER

MP3363 Rev. 1.0

MonolithicPower.com

4

9/28/2021

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© 2021 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

VIN = 1.8V, TA = 25°C, unless otherwise noted.

Parameter

Symbol Condition

Min

Typ

Max

Units

Input shutdown supply current

VEN = 0V

0.5

1

μA

Input operating supply current

IQ1

VEN > 2V, VFB = 0.5V

0.8

1.05

mA

IQ2

With switching, 400kHz

1.5

mA

VIN under-voltage lockout

(UVLO) threshold

VUVLO

VIN rising

1.5

1.6

1.7

V

VIN UVLO hysteresis

VUVLO_HYS

100

mV

EN/DIM input low threshold

VEN_L

0.4

V

EN/DIM input high threshold

VEN_H

1.2

V

EN/DIM input bias current

IEN

VEN = 5V

7

μA

EN/DIM input low time to disable

the IC

tEN

EN/DIM pulls low to disable

the IC

16

20

24

ms

SW switching frequency

fSW

ROSC = 100k

Ω

360

400

440

kHz

SW maximum duty cycle

VFB = 0.15V, fSW = 400kHz

90

93

%

Error amplifier (EA)

transconductance

GEA

250

μA/V

COMP maximum current

IEA

Sourcing and sinking

30

μA

FB regulation threshold

VFB

196

200

204

mV

FB input bias current

IFB

VFB = 0.5V

1

μA

SW on resistance

RON

100

m

Ω

SW current limit

ILIM

Duty = 80%

0.85

1

1.15

A

SW leakage current

ISW

VSW = 40V

0.3

μA

Over-voltage protection (OVP)

threshold

VOVP

1.12

1.2

1.28

V

OVP hysteresis

VOVP_HYS

100

mV

OVP under-voltage threshold

VOVP_UV

50

100

mV

Short load protection threshold

VSP

VFB > VSP, short load

protection is triggered

540

600

660

mV

Latch-off current limit

ICL

2.5

A

Thermal shutdown threshold (5)

TSD

170

°C

Thermal shutdown hysteresis (5)

TSD_HYS

20

°C

Note:

5) Guaranteed by design.