STLED25

Electrical characteristics

Doc ID 022323 Rev 3

9/30

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

LED peak-to-peak current

all channels,

500

µA

all channels,

4000

1/255 PWM, 300 Hz, 20 mA

(3)

10

%

25/255 PWM, 300 Hz, 20

(3)

2%

LED driver leakage in OFF

state

0.5

µA

LED driver max current

25

mA

Line_tr

30

%

PWM dimming frequency

100

800

Hz

Duty cycle of PWM dimming

0.39

100

%

Logic inputs

Internal pull-down resistor

100

k

Ω

EN low-level input voltage

0.68

V

0.55

EN high-level input voltage

1.07

V

1.14

EN input leakage current

internal pulldowns

42

µA

Power switches

P-channel on resistance

880

m

Ω

N-channel on resistance

450

LX leakage current

1

µA

1.

Not tested in production

2.

3.

The PWM linearity is measured on the mean value of the output current in PWM mode in the 100 ms window. The

frequency of the PWM is 300 Hz

Table 6.

Electrical characteristics (continued)