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SILICON TOUCH TECHNOLOGY INC

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16-bit Constant Current LED Driver with Error Detection

Version:A.001

Page 6

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DM137

CHARACTERISTIC

SYMBOL

RATING

UNIT

Supply Voltage

VCC

-0.3 ~ 7.0

V

Input Voltage

VIN

-0.3 ~ VCC+0.3

V

Output Current

IOUT

100

mA

Output Voltage

VOUT

-0.3 ~ 17

V

Input Clock Frequency

FCKI

25

MHz

GND Terminal Current

IGND

1600

mA

1.1 ( SSOP28 : Ta=25

°C)

2.11 ( HSOP28 : Ta=25

°C)

Power Dissipation

(4 layer PCB)

PD

3.18 ( QFN32 : Ta=25

°C)

W

113.3 (SSOP28 )

59.1 (HSOP28 )

Thermal Resistance

Rth(j-a)

39.3 ( QFN32 )

°C/W

Operating Temperature

Top

-40 ~ 85

°C

Storage Temperature

Tstg

-55 ~ 150

°C

Recommended Operating Condition

CHARACTERISTIC

SYMBOL

CONDITION

MIN.

TYP.

MAX.

UNIT

Supply Voltage

VCC

⎯

3.3

5.0

5.5

V

Output Voltage

VOUT

Driver On

*1

1.0

⎯

0.5VCC

Output Voltage

VOUT

Driver Off

*2

⎯

⎯

17

V

IO

OUTn

5

⎯

90

IOH

VOH = VCC – 0.2 V

⎯

⎯

+1.6

Output Current

IOL

VOL = 0.2 V

⎯

⎯

-

1.5

mA

VIH

0.8VCC

⎯

VCC

Input Voltage

VIL

VCC = 3.3 V ~ 5.5V

0.0

⎯

0.2VCC

V

Single Chip Operation

25

Cascade Operation

(SDO=’H’, CL=13pF)

15

Input Clock Frequency

FCKI

Cascade Operation

(SDO=’L’, CL=13pF)

⎯

⎯

25

MHz

LAT Pulse Width

tw LAT

15

⎯

⎯

CLK Pulse Width

tw CLK

15

⎯

⎯

EN Pulse Width

tw EN

15

⎯

⎯

OS Pulse Width

tw OS

15

⎯

⎯

Set-up Time for DAI

tsetup(D)

10

⎯

⎯

Hold Time for DAI

thold(D)

10

⎯

⎯

Set-up Time for LAT

tsetup(L)

10

⎯

⎯

Hold Time for LAT

thold(L)

10

⎯

⎯

Set-up Time for OS

tsetup(O)

25

⎯

⎯

Open/Short Detection Response

tdet

VCC = 5.0V

100

⎯

⎯

ns