SSL2129AT

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© NXP B.V. 2012. All rights reserved.

Product data sheet

Rev. 2 — 23 October 2012

13 of 21

NXP Semiconductors

SSL2129AT

Dimmable LED controller IC

[1]

The maximum operating voltage at VCC can exceed 14 V.

[2]

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

Brownout detection

threshold voltage on pin TONMOD

3.75

4

4.25

V

offset current on pin TONMOD

37

43

48

A

high on-time

12.5

15

17.5

s

Driver (pin DRIVER)

source current on pin DRIVER

-

0.195 -

A

sink current on pin DRIVER

20

s maximum; V

-

0.28

-

A

20

s maximum; V

-

0.46

-

A

maximum output voltage on pin

DRIVER

9

10.5

12

V

minimum output voltage on pin

DRIVER

6.5

7.5

8.5

V

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

0.3

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

Temperature protection

overtemperature protection

activation threshold temperature

160

170

180

C

overtemperature protection

release threshold temperature

90

100

110

C

Table 6.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit