SSL21081T_2T_3T_4T

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© NXP B.V. 2011. All rights reserved.

Preliminary data sheet

Rev. 2 — 6 December 2011

12 of 24

NXP Semiconductors

SSL21081T/2T/3T/4T

GreenChip drivers for LED lighting

10. Thermal characteristics

11. Characteristics

Table 6.

Thermal characteristics

Symbol

Parameter

Conditions

Typ

Unit

thermal resistance from junction

to ambient

in free air; SO8

package, PCB:

2 cm

3 cm, 2-layer,

35

m Cu per layer

152

K/W

in free air; SO12

package, PCB: 2

cm

 3 cm, 2-layer, 35

m Cu per layer

121

K/W

Table 7.

Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

High-voltage

leakage current on pin DRAIN

-

-

10

A

-

-

10

A

leakage current on pin HV

-

-

30

A

-

-

30

A

Supply

start-up supply voltage

11

12

13

V

stop supply voltage

8

9

10

V

hysteresis of supply voltage

2.0

-

-

V

reset supply voltage

4.5

5

5.5

V

regulator switch-on supply

voltage

insufficient dV/dt

supply

8.75

9.25

9.75

V

regulator switch-off supply

voltage

insufficient dV/dt

supply

9.5

10

10.5

V

regulator supply voltage

hysteresis

won)reg

0.3

-

-

V

between regulator switch-on and

stop

op)

0.3

-

-

V

Consumption

standby current on pin HV

during start-up or in

protection;

300

350

400

A

supply current

normal operation

-

1.3

-

mA