MP2480 – 36V INPUT, 3A HIGH POWER LED DRIVER

MP2480 Rev. 1.01

www.MonolithicPower.com

3

1/25/2013

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ELECTRICAL CHARACTERISTICS

Specifications over temperature are guaranteed by design and characterization.

Parameter

Symbol Condition

Min

Typ

Max

Units

VIN UVLO threshold

3.6

4.0

4.4

V

VIN UVLO hysteresis

0.4

V

Shutdown supply current

2

5

µA

Quiescent supply current

160

220

µA

Upper switch on resistance

(5)

150

mΩ

Upper switch leakage current

0.01

1

µA

Current limit

3.5

4.3

A

EN up threshold

1.4

1.55

1.7

V

EN threshold hysteresis

320

mV

EN input current

0.01

1

µA

EN sinking current

2

3

µA

DIM up threshold

0.8

1.15

1.5

V

DIM threshold hysteresis

300

mV

-1

1

µA

DIM input current

-5

-1

µA

Feedback voltage threshold high

(5)

220

225

230

mV

Feedback voltage threshold low

(5)

170

175

180

mV

FB pin input current

-100

100

nA

Max duty cycle

(5)

98

%

Thermal shutdown

(5)

Hysteresis = 20°C

150

°C

Note:

5) Guaranteed by design.