SSL2109_SER

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© NXP B.V. 2012. All rights reserved.

Product data sheet

Rev. 3 — 4 June 2012

12 of 20

NXP Semiconductors

SSL2109 series

GreenChip controller for LED lighting

10. Thermal characteristics

11. Characteristics

Table 5.

Thermal characteristics

Symbol

Parameter

Conditions

Typ

Unit

thermal resistance from junction

to ambient

in free air; PCB: 2 cm

× 3 cm; 2-layer;

35

μm Cu per layer

159

K/W

in free air; PCB: JEDEC 2s2p

89

K/W

thermal resistance from junction

to top

top package temperature measured at

the warmest point on top of the case

0.49

K/W

Table 6.

Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

High-voltage

leakage current on pin DRAIN

-

-

10

μA

leakage current on pin HV

-

-

30

μA

Supply

supply voltage

operating range

[1] 8

-

14

V

start-up supply voltage

11

12

13

V

stop supply voltage

8

9

10

V

hysteresis of supply voltage

2

-

4.5

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

0.3

-

-

V

regulator switch-on and stop

0.3

-

-

V

Consumption

standby current on pin HV

during start-up or in protection;

300

350

400

μA

internal supply current

normal operation

-

1.3

-

mA

Capability

high supply current on pin HV

1

1.3

1.6

mA

2

2.3

2.6

mA

Current and SWP

overcurrent protection threshold

voltage on pin SOURCE

ΔV/Δt = 0.1 V/μs

480

500

520

mV

230

250

270

mV

delay time from overcurrent

protection to switch-off

ΔV/Δt = 0.1 V/μs

-

75

100

ns

leading edge blanking time

overcurrent protection

260

300

340

ns

short-winding protection

210

250

290

ns