SSL2102_1

© NXP B.V. 2009. All rights reserved.

Product data sheet

Rev. 01 — 29 June 2009

12 of 21

NXP Semiconductors

SSL2102

SMPS IC for dimmable LED lighting

[1]

Measured on a JEDEC test board (standard EIA/JESD 51-3) in free air with natural convection.

11. Characteristics

(1) Top Cu coverage 20 %

(2) Top Cu coverage 50 %

(3) Top Cu coverage 100 %

Fig 8.

SSL2102 core material conductivity

Table 5:

Thermal characteristics

Symbol

Parameter

Conditions

Typ

Unit

thermal resistance from junction to ambient

[1] 62

KW

(1)

(3)

(2)

0

10000

8000

4000

6000

2000

014aaa812

60

40

80

100

Rth(j-a)

(

°C/W)

20

Table 6.

Characteristics

positive when flowing into the IC and PWMLIMIT and BRIGHTNESS pins are disconnected unless

otherwise specified. Typical frequency 100 kHz.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Supply

supply current

normal operation;

-

1.7

2

mA

charge supply

current

-6

−4.5

-

mA

supply voltage

8.5

-

40

V

start-up supply

voltage

9.75

10.25

10.75

V

undervoltage

lockout supply

voltage

7.9

8.2

8.5

V