LM3433_14 datasheet(6/15 Pages) TI1

Part #	LM3433

Description	Common Anode Capable High Brightness LED Driver with High Frequency Dimming

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Manufacturer	TI1 [Texas Instruments]

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LM3433

SNVS535B – OCTOBER 2007 – REVISED MARCH 2008

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Electrical Characteristics (continued)

Specifications in standard type face are for TJ = 25°C and those with boldface type apply over the full Operating

Temperature Range ( TJ = −40°C to +125°C). Minimum and Maximum limits are guaranteed through test, design, or

statistical correlation. Typical values represent the most likely parametric norm at TJ = +25ºC, and are provided for reference

purposes only. Unless otherwise stated the following conditions apply: VEE = -12.0V and VIN = +3.3V with respect to CGND.

Symbol

Parameter

Conditions

Min(1)

Typ(2)

Max(1)

Units

ISS

SS pin source current

10

µA

RSS

SS pin pulldown resistance

EN = CGND

1.0

k

Ω

AC SPECIFICATIONS

TDTD

LO and HO dead time

LO falling to HO rising dead

26

time

ns

HO falling to LO rising dead

28

time

TPDIM

DIM to DIMO propagation

DIM rising to DIMO rising

68

124

delay

ns

DIM falling to DIMO falling

58

160

delay

THERMAL SPECIFICATIONS

TJLIM

Junction temperature thermal

175

°C

limit

TJLIM(hyst)

Thermal limit hysteresis

20

°C

θJA

LLP-24 package thermal

JEDEC 4 layer board

39

°C/W

resistance

6

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