SSL21083AT

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Product data sheet

Rev. 6 — 4 October 2013

15 of 22

NXP Semiconductors

SSL21083AT

Compact non-dimmable LED driver IC

[1]

[2]

This parameter is not tested during production, by design it is guaranteed.

Valley detection

(

V/t)

vrec

valley recognition voltage change

with time

on pin DRAIN

30

20

10

V/

s

ringing frequency

[2] 200

550

1000

kHz

V

vrec(min)

minimum valley recognition

voltage difference

voltage drop on pin DRAIN

15

20

25

V

valley recognition to switch-on

delay time

-

100

-

ns

Brownout detection

high on-time

12.5

15

17.5

s

MOSFET output stage

600

-

-

V

drain-source on-state resistance

4

5

6



6

7.5

9



dV/dt)

f(DRAIN)

fall rate of change of voltage on

pin DRAIN

-

1.5

-

V/ns

NTC functionality

high threshold voltage on pin

NTC

0.47

0.5

0.53

V

low threshold voltage on pin NTC

0.325

0.35

0.375

V

timer activation voltage on pin

NTC

0.26

0.29

0.325

V

timer deactivation voltage on pin

NTC

0.17

0.2

0.23

V

deactivation time-out time on pin

NTC

33

46

59

s

offset current on pin NTC

-

47

-

A

OSP

short-circuit detection time

16

20

24

ms

high off-time

30

36

42

s

Temperature protections

overtemperature protection

activation threshold temperature

160

170

180

C

overtemperature protection

release threshold temperature

90

100

110

C

Table 7.

positive. when flowing into the IC.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit