SSL2109_SER

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© NXP B.V. 2012. All rights reserved.

Product data sheet

Rev. 3 — 4 June 2012

13 of 20

NXP Semiconductors

SSL2109 series

GreenChip controller for LED lighting

[1]

The maximum operating voltage at VCC can exceed 14 V when determined by the IC using the dV/dt supply.

[2]

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

leading edge blanking time

difference

protection and short-winding

protection

30

50

-

ns

short-winding protection threshold

voltage on pin SOURCE

SSL2109T only

1.4

1.5

1.6

V

Valley detection

(

valley recognition voltage change

with time

on pin DRAIN

−30

−20

−10

V/

μs

ringing frequency

[2] 200

550

1000

kHz

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

μs

Driver (pin DRIVER)

source current on pin DRIVER

-

−0.195 -

A

sink current on pin DRIVER

20

-

0.28

-

A

20

-

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

μs

offset current on pin NTC

-

−47

-

μA

OSP

short-circuit detection time

16

20

24

ms

high off-time

30

36

42

μs

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