MP3331-2A SYNCHRONOUS BOOST FLASH LED DRIVER WITH I

MP3331 Rev. 1.02

www.MonolithicPower.com

6

5/3/2016

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Parameters

Symbol

Condition

Min

Typ

Max

Units

Strobe/Torch/TX pull-down

resistor

250

kΩ

Protection

Time-out time

Time setting code = 0011

190

200

210

ms

Over-voltage threshold

5.2

5.5

5.8

V

LED short detection voltage

1

V

VOUT<VIN-1V and when

enable bit is on.

5

ms

LED open detection voltage

90

mV

Thermal shutdown threshold

(5)

150

℃

Adaptive thermal threshold

(5)

130

℃

Code Setting = 000

3.0

V

Low-battery threshold

Code Setting =110

3.6

V

I

Input logic low

0

0.4

V

Input logic high

1.3V

V

Output logic low

0.4

V

SCL clock frequency

400

kHz

SCL high time

0.6

µs

SCL low time

1.3

µs

Data setup time

100

ns

Data hold time

0

0.9

µs

Setup time for repeated start

0.6

µs

Hold time for start

0.6

µs

Bus free time between a start and

a stop condition

1.3

µs

Setup time for stop condition

0.6

µs

Rise time of SCL and SDA

20+0.

300

ns

Fall time of SCL and SDA

20+0.

300

ns

Pulse width of suppressed spike

0

50

ns

Capacitance bus for each bus line

400

pF

NOTES:

5) Guaranteed by design.