MBI5170CN datasheet(8/24 Pages) ETC1

Part #	MBI5170CN

Description	8-Bit Constant Current LED Sink Driver with Gain Control

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MBI5170

8-Bit Constant Current LED Sink Driver with Gain Control

August 2004, VA.00

- 8 -

Recommended Operating Conditions

Characteristics

Symbol

Condition

Min.

Typ.

Max.

Unit

Supply Voltage

VDD

-

4.5

5.0

5.5

V

Output Voltage

VDS

OUT0 ~

7

OUT

-

17.0

V

IOUT

OUT0 ~

7

OUT ,

CM*=1, VDD =5V

10

-

120

mA

IOUT

OUT0 ~

7

OUT ,

CM*=0, VDD =5V

5

-

40

mA

IOH

SDO

-

-1.0

mA

Output Current

IOL

SDO

-

1.0

mA

VIH

CLK, OE /SW,

LE/MOD/CA, and SDI

0.7VDD

-

VDD+0.3

V

Input Voltage

VIL

CLK, OE /SW,

LE/MOD/CA, and SDI

-0.3

-

0.3VDD

V

CLK Pulse Width

tw(CLK)

20

-

ns

Setup Time for SDI

tsu(D)

5

-

ns

Hold Time for SDI

th(D)

10

-

ns

LE/MOD/CA Pulse Width

tw(L)

-

20

-

ns

Setup Time for LE/MOD/CA

tsu(L)

5

-

ns

Hold Time for LE/MOD/CA

th(L)

For data strobe in both

Normal Mode and

Current Adjust Mode

10

-

ns

Setup Time for LE/MOD/CA

tsu(MOD)

5

-

ns

Hold Time for LE/MOD/CA

th(MOD)

In Mode Switching

10

-

ns

tw(SW)

To trigger Mode

Switching

20

-

ns

tw(OE)

Iout < 60mA

200

-

ns

OE /SW Pulse Width

tw(OE)

Iout = 60~100mA

400

-

ns

Setup Time for OE /SW

tsu(SW)

5

-

ns

Hold Time for OE /SW

th(SW)

To trigger Mode

Switching

10

-

ns

Clock Frequency

FCLK

Cascade Operation

(VDD= 5.0V)

-

25.0

MHz

* CM is one bit in configuration code and called as

“Current Multiplier.” It would affect the ratio of I

OUT to Irext. The

detail information could be found in the section Operation Principle.

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