LD1048 datasheet(8/27 Pages) LDT

部件名	LD1048

功能描述	48 Channel Output LED DRIVER

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制造商	LDT [LDT Co., Ltd]

网页	http://www.ldt.co.kr/

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LD71D1048C

SD-2003A

10 bit PWM controller / 48 Channel Output LED DRIVER

TIMING WAVE FORM

PARAMETER

SYMBOL

TEST CONDITION

UNIT

Input

Voltage

VIH

V

TYP.

-

MIN.

0.7VDD

-

TEST

CIR-

CUIT

-

“H” Level

VIL

-

GND

-

“L” Level

Output

Voltage

VOL

V

-

DOUT

VOH

-

0.8VDD

-

I

OZ

-

VOH = 6.0V

-

uA

Output Leakage

current

Output Current1

IOL1

mA

37.0

34

REXT = 8 ㏀

-

Delta IOUT

IOL1

+ 1.5

-

REXT = 16 ㏀

IOUT = 40mA, VOUT = 1V

-

%

Output Current2

IOL2

mA

69.0

65.0

REXT = 4.0 ㏀

-

Delta IOUT

IOL2

+ 1.5

-

REXT = 4.0 ㏀

IOUT = 69mA, VOUT = 1V

-

%

%/VDD

1.5

-

REXT= 16 kW

-

%/V

Supply Voltage

Regulation

Vref

1.26

-

REXT=4 ㏀ ,Ta =-40~85

oC

-

V

Reference Voltage

RIN(up)

200

100

-

㏀

Pull up resistor

RIN(down)

200

100

-

Pull down resistor

Irext(1)

-

REXT = OPEN, OUTn = OFF

-

u

Supply current

Irext(2)

74.0

70

REXT = 16 ㏀ OUTn = OFF

-

uA

Irext(3)

140.0

130

REXT = 8 ㏀ OUTn = OFF

-

MAX.

VDD

0.3VDD

0.2VDD

-

1

40.0

+ 6.0

74

+ 6.0

5.0

-

400

-

78

150

ELECTRICAL CHARACTERISTICS (Ta = 25oC unless otherwise noted) (continued)

REXT

IOUT

6

kOhm

46mA

8

kOhm

35mA

10

kOhm

29mA

15

kOhm

20mA

30

kOhm

10mA

4

kOhm

64mA

4K

6K

8K

10K

15K

30K

100

90

80

70

60

50

40

30

20

10

0

REXT -IOUT

REXT (Ohm)

COUT = 2.0(V)

ELECTRICAL CHARACTERISTICS(Ta = 25oC unless otherwise noted)

Relation COUT with REXT

类似零件编号 - LD1048

制造商	部件名	数据表	功能描述
LDT Co., Ltd	LD1048C	450Kb / 28P	10 bit PWM Controller 48Channel Output LED Driver

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