LD1024 datasheet(7/22 Pages) LDT

7 / 22 page

Ver2.1

LD1024

16-Channel, Constant-Current LED Driver with LED Open Detection

LDT Inc. WE bldg. 5F, 126-33 Han-dle 1ro, Seobuk-gu, Cheonan, Chungnam, korea, 331-220

Tel. +82 41 520 7300 Fax. +82 41 520 7337 www.ldt.co.kr

ELECTRICAL CHARACTERISTICS

AT V

DD = 3.0V to 5.5 V and TA = –40°C to +85°C. Typical values at otherwise note (Ta = -40

oC to 85oC unless otherwise noted)

Characteristicsㅊ

Symbol

Condition

Min.

Typ.

Max.

Unit

Supply Voltage

3.0

5.0

5.5

Output Voltage

5.5

Output

Current

OUTn

OUT

Input

Voltage

‘H” Level

0.7V

1.0V

‘L” Level

GND

0.3V

High-level Output Voltage

OH = -1 mA, DOUT

DD-0.4

Low-level Output Voltage

OL = 1 mA, DOUT

0.4

Input Current

iN = VDD or GND at DIN, CLK ,

STROBE and OEB

-1

Constant output current

(OLC)

All OUTn= ON, V

O = 1 V,

REXT = 1.8KΩ

Leakage output current

lkg

All OUTn= off ,OEB = high, V

DS =

5 V,R

REXT= 1.8 kΩ

0.1

Pin to Pin Deviation

ΔI

OLC1

All OUTn= On, V

DS = 1 V,

REXT = 1.8 kΩ

±1.0

±3.0

Chip to Chip Deviation

ΔI

OLC2

All OUTn=On , V

DS = 1 V,

REXT = 1.8 kΩ

±1.0

±6.0

Output Current vs.

Supply Voltage Regulation

ΔI

OLC3

All OUTn=On, V

DS = 1 V,

REXT = 1.8 kΩ

±1.0

%/V

Output Current vs.

Output Voltage Regulation

IO(LC4)

All OUTn= ON, V

DS = 1 V to 3 V,

REXT = 1.8 kΩ,

OUT0 to OUT15 (4)

±0.5

±3.0

%/V

T(PTW)

Pre-thermal warning

threshold

(PTW)

Junction temperature(5)

125℃

138℃

150℃

℃

VLOD

(LOD)

All OUTn = ON

0.25

0.30

0.35

Supply Current

DD(off)1

DIN/CLK/STROBE=Low, OEB=H

REXT = 8.2K

0.5

2.7

DD(off)2

DIN/CLK/STROBE=Low, OEB=H

REXT = 3.9 ㏀

0.6

DD(on)1

DIN/CLK/STROBE=Low, OEB=L

REXT = 3.9 ㏀

0.6

DD(on)2

DIN/CLK/STROBE=Low, OEB=L

REXT = 1.8 ㏀

0.8

LD1024 датащи(PDF) 7 Page - LDT Co., Ltd

LD1024 датащи(HTML) 7 Page - LDT Co., Ltd

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

датащи скачать

ссылки URL