MP4689 – 100V INPUT, 1A HIGH POWER LED DRIVER

MP4689 Rev. 1.0

www.MonolithicPower.com

3

4/29/2011

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© 2011 MPS. All Rights Reserved.

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

4.35

V

VIN UVLO Hysteresis

0.4

V

Shutdown Supply Current

2

5

µA

Quiescent Supply Current

170

240

µA

Upper Switch On Resistance

(5)

500

mΩ

Upper Switch Leakage Current

0.01

1

µA

Current Limit

1.7

2.5

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

DIM Input Current

-1

1

µA

DIM On Propagation Delay

50

ns

DIM Off Propagation Delay

50

ns

Feedback Voltage Threshold High

(5)

209

215

221

mV

Feedback Voltage Threshold Low

(5)

179

185

191

mV

FB Pin Input Current

-300

300

nA

FB Propagation Delay to Output

High

edge

100

ns

FB Propagation Delay to Output

High

to

100

ns

Thermal Shutdown

Hysteresis = 20

°C

150

°C

Note:

5) Guaranteed by design.