SSL21081T_2T_3T_4T

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© NXP B.V. 2011. All rights reserved.

Preliminary data sheet

Rev. 2 — 6 December 2011

23 of 24

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NXP Semiconductors

SSL21081T/2T/3T/4T

GreenChip drivers for LED lighting

20. Figures

Fig 1.

Block diagram SSL2108X . . . . . . . . . . . . . . . . . . .4

Fig 2.

Pin configuration for SSL2108X (SO8) . . . . . . . . .4

Fig 3.

Pin configuration for SSL2108X (SO12) . . . . . . . .4

Fig 4.

Basic application diagram SSL2108X



(SO8 variant) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Fig 5.

Buck waveforms and valley detection . . . . . . . . . .6

Fig 6.

NTC control curve . . . . . . . . . . . . . . . . . . . . . . . . .9

Fig 7.

Buck configuration for SSL21081/SSL21083 . . .15

Fig 8.

Buck configuration for SSL21082/SSL21084 . . .15

Fig 9.

Package outline SOT96-1 (SOT8) . . . . . . . . . . . .16

Fig 10. Package outline SOT1196-1 (SOT12) . . . . . . . . .17