MAX6970 查看數據表（PDF） - Maxim Integrated

零件编号

产品描述 (功能)

生产厂家

MAX6970

8-Port, 36V Constant-Current LED Driver

Maxim Integrated 

8-Port, 36V Constant-Current LED Driver

Table 1. 4-Wire Serial-Interface Truth Table

SERIAL- CLOCK

DATA INPUT

INPUT

DIN CLK D0

SHIFT-REGISTER

CONTENTS

LOAD

INPUT

D1 D2 … Dn-1 Dn LE

LATCH CONTENTS

BLANKING

INPUT

D0 D1 D2 … Dn-1 Dn

OE

OUTPUT CONTENTS

D0 D1 D2 … Dn-1 Dn

H

H R1 R2 … Rn-2 Rn-1 —

L

L R1 R2 … Rn-2 Rn-1 —

X

R0 R1 R2 … Rn-1 Rn —

—

— X X X…X X H

—

— P1 P2 P3 … Pn-1 Pn L

—

— — — — —— — —

L = Low-logic level.

H = High-logic level.

X = Don’t care.

P = Present state.

R = Previous state.

— —————

— —————

— —————

R0 R1 R2

Rn-1 Rn

P0 P1 P2 … Pn-1 Pn

X X X…X X

—

— —————

—

— —————

—

— —————

—

— —————

L

P0 P1 P2 … Pn-1 Pn

H

Hi-Z Hi-Z Hi-Z … Hi-Z Hi-Z

Selector Guide

PART

MAX6968

MAX6977

MAX6978

MAX6970

MAX6981

MAX6980

MAX6969

MAX6979

MAX6971

MAX6983

NUMBER OF

OUTPUTS

8

8

16

16

MAX OUTPUT

VOLTAGE (V)

5.5

MAX OUTPUT

CURRENT

36

55mA

5.5

36

LED FAULT

DETECTION

—

Yes

Yes

—

Yes

Yes

—

Yes

—

Yes

WATCHDOG

—

—

Yes

—

—

Yes

—

Yes

—

Yes

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