MP3362

– SINGLE-STRING, 3V MINIMUM Vin, 36V BOOST LED DRIVER

MP3362 Rev. 1.1

www.MonolithicPower.com

5

2/22/2023

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© 2023 MPS. All Rights Reserved.

ELECTRICAL CHARACTERISTICS

VIN = 5.0V, TA = 25°C, unless otherwise noted.

Parameter

Symbol

Condition

Min

Typ

Max

Units

IN shutdown supply current

VEN

≤ 0V

0.3

1.5

μA

IN operating supply current

IQ1

VEN > 2V, VFB = 0.5V

1

1.25

mA

IQ2

With switching, 400kHz

2.5

mA

IN under-voltage lockout

threshold

VUVLO

VIN rising

2.35

2.5

2.65

V

IN under-voltage lockout

hysteresis

VUVLO_HYS

100

mV

EN/DIM input low voltage

VEN_L

0.4

V

EN/DIM input high voltage

VEN_H

1.3

V

EN/DIM input bias current

IEN

VEN = 5V

7

μA

EN shutdown time

tEN

EN/DIM low to disable 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

transconductance

GEA

250

μA/V

COMP maximum output

current

IEA

Sourcing and sinking

30

μA

FB regulation threshold

VFB

100% analog dimming

196

200

204

mV

FB input bias current

IFB

VFB = 0.5V

0.2

μA

SW on resistance

RON

VIN = 4V

80

m

Ω

SW current limit

ILIM

Duty = 80%

3.4

4

4.6

A

SW leakage current

ISW

VSW = 40V

0.3

μA

OVP threshold

VOVP

1.10

1.18

1.26

V

OVP hysteresis

VOVP_HYS

100

mV

OVP under-voltage

threshold

VOVP_UV

50

100

mV

Short load protection

VSP

VFB > VSP, short load protection

is triggered

540

600

660

mV

Latch-off current limit

ICL

6.5

A

Thermal shutdown (5)

TSD

170

°C

Thermal shutdown

hysteresis

TSD_HYS

20

°C

Note:

5)

Guaranteed by design.