TB62778FNG datasheet(9/23 Pages) MARKTECH

Part #	TB62778FNG

Description	8-Channel Constant-Current LED Driver of the 3.3-V and 5-V Power Supply Voltage Operation

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Manufacturer	MARKTECH [Marktech Corporate]

Direct Link	http://www.marktechopto.com

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TENTATIVE

TB62778FNG

(Ver.0.0) 08-02-07

9

Switching Characteristics (Unless otherwise specified, Ta = 25°C, VDD = 3 to 3.6 V)

Characteristics

Symbol

Test

Circuit

Test Condition

(Note 1)

Min

Typ.

Max

Unit

tpLH1

6

CLK- OUTn , LATCH

= “H”,

ENABLE

= “L”

⎯

300

tpLH2

6

LATCH

- OUTn ,

ENABLE

= “L”

⎯

300

tpLH3

6

ENABLE -

OUTn ,

LATCH

= “H”

⎯

300

tpLH

6

CLK-SERIAL OUT

2

⎯

14

tpHL1

6

CLK-

OUTn , LATCH

= “H”,

ENABLE

= “L”

⎯

340

tpHL2

6

LATCH

- OUTn ,

ENABLE

= “L”

⎯

340

tpHL3

6

ENABLE -

OUTn ,

LATCH

= “H”

⎯

340

Propagation delay time

tpHL

6

CLK-SERIAL OUT

2

⎯

14

Output rise time

tor

6

10% to 90% points of

OUT0

to

OUT7 voltage waveforms

⎯

150

Output fall time

tof

6

90% to 10% points of OUT0

to

OUT7 voltage waveforms

⎯

300

ns

Note 1: Topr = 25°C, VDD = VIH = 3.3 V, VIL = 0 V, REXT = 1.2 kΩ, IOUT = 15mA, VL = 5.0 V,

CL = 10.5pF (see test circuit 6.)

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