16-bit Constant Current LED Driver with Error Detection

Version:A.006

Page 6

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DM13C

CHARACTERISTIC

SYMBOL

CONDITION

MIN.

TYP.

MAX.

UNIT

Input Voltage “H” Level

VIH

CMOS logic level

0.8VCC



VCC

V

Input Voltage “L” Level

VIL

CMOS logic level

GND



0.2VCC

Output Leakage Current

IOL

VOH = 17 V





1.0

uA

Output Voltage (S-OUT)

VOL

IOL = 1.4 mA





0.2

V

VOH

IOH= 1.2 mA

VCC-0.2





Output Current Skew

(Channel-to-Channel)

*1

IOL1

VOUT = 1.0 V

Rrext = 2.2 K







3

%

Output Current Skew

(Chip-to-Chip)

*2

IOL2

6

%

Output Voltage Regulation

% / VOUT

Rrext = 2.2 K



VOUT = 1 V ~ 3 V



0.1

0.5

% / V

Supply Voltage Regulation

% / VCC

Rrext = 2.2 K





1

4

LED Open Detection Threshold

V(od)

all outputs turn on



0.3



V

LED Short Detection Threshold

V(sd)



0.5VCC



Thermal Shutdown Threshold

T(sht)

junction temperature



180



C

Supply Current

*3

power on

all pins are open

unless VCC and GND



3.0



mA

input signal is static

Rrext = 2.9 K



all outputs turn off



4.9



input signal is static

Rrext = 2.9 K



all outputs turn on



6.4



input signal is static

Rrext = 560



all outputs turn off



12.7



input signal is static

Rrext = 560



all outputs turn on



15.4



Iout = (Imax + Imin) / 2.