TB62726ANG datasheet(8/18 Pages) MARKTECH

Part #	TB62726ANG

Description	16-bit Constant-Current LED Driver with Operating Voltage of 3.3-V and 5-V

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Manufacturer	MARKTECH [Marktech Corporate]

Direct Link	http://www.marktechopto.com

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8 / 18 page

TB62726ANG/AFG

2005-12-21

7

Switching Characteristics (Topr = 25°C unless otherwise specifed)

Characteristics

Symbol

Conditions

Min

Typ.

Max

Unit

tpLH1

CLK- OUTn ,

LATCH

= “H”,

ENABLE

= “L”

⎯

150

300

tpLH2

LATCH - OUTn ,

ENABLE

= “L”

⎯

140

300

tpLH3

ENABLE - OUTn ,

LATCH = “H”

⎯

140

300

tpLH

CLK-SERIAL OUT

3

6

⎯

tpHL1

CLK- OUTn , LATCH

= “H”,

ENABLE

= “L”

⎯

170

340

tpHL2

LATCH - OUTn ,

ENABLE

= “L”

⎯

170

340

tpHL3

ENABLE - OUTn ,

LATCH

= “H”

⎯

170

340

Propagation delay

tpLH

CLK-SERIAL OUT

4

7

⎯

ns

Output rise time

tor

10 to 90% of voltage waveform

40

85

150

ns

Output fall time

tof

90 to 10% of voltage waveform

40

70

150

ns

Maximum CLOCK rise time

tr

⎯

5

µs

Maximum CLOCK fall time

tf

When not on PCB

(Note 5)

⎯

5

µs

Conditions: (Refer to test circuit.)

Topr = 25°C, VDD = VIH = 3.3 V and 5 V, VOUT = 0.7 V, VIL = 0 V, REXT = 490 Ω,

VL = 3.0 V, RL = 60 Ω, CL = 10.5 pF

Note 5: If the device is connected in a cascade and tr/tf for the waveform is large, it may not be possible to achieve

the timing required for data transfer. Please consider the timings carefully.

Test Circuit

Logic input

waveform

VDD = VIH = 3.3 V

VIL = 0 V

tr = tf = 10 ns

(10% to 90%)

GND

SERIAL-IN

LATCH

CLOCK

OUT0

VDD

R-EXT

SERIAL-OUT

ENABLE

OUT15

Function

generator

IOL

VIH, VIL

Iref

CL

VL

RL

CL

IDD

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