LD1970 datasheet(8/26 Pages) LDT

Part #	LD1970

Description	16 SEGMENT X 12 GRID VFD DRIVER

Download	26 Pages

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Manufacturer	LDT [LDT Co., Ltd]

Direct Link	http://www.ldt.co.kr/

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8 / 26 page

Ver 4.0

8

LD1970

16 Segment x 12 Grid VFD Driver with Key Scan

Absolute Maximum Ratings

(Unless otherwise stated, Ta=25°C, GND=0V)

Parameters

Symbol

Ratings

Unit

Logic Supply Voltage

VDD

-0.3 ~ +7.0

V

Driver Supply Voltage

VEE

VDD+0.3 ~ VDD-40

V

Logic Input Voltage

VI

-0.3 ~ VDD+0.3

V

VFD Driver Output Voltage

VO

VEE-0.3 ~ VDD+0.3

V

LED Driver Output Current

IOLED

± 20

mA

VFD Drive Output Current

IOVFD

-40 @ Grid, -15 @ Segment

mA

Operating Temperature

Topr

-40 ~ 85

°C

Storage Temperature

Tstg

-65 ~ 150

°C

Recommended Operating Range

(Unless otherwise stated, Ta=25°C, GND=0V)

Parameters

Symbol

Ratings

Unit

Min.

Typ.

Max.

Logic Supply Voltage

VDD

3.0

5.0

5.5

V

High-Level Input Voltage

VIH

0.7*VDD

-

VDD

V

Low-Level Input Voltage

VIL

0

-

0.3*VDD

V

Driver Supply Voltage

VEE

VDD-35

-

0

V

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LD1970 Datasheet(PDF) 8 Page - LDT Co., Ltd

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