NXP Semiconductors
SSL21081T/2T/3T/4T
GreenChip drivers for LED lighting
10. Thermal characteristics
Table 6.
Thermal characteristics
Symbol
R th(j-a)
Parameter
thermal resistance from junction to
ambient
Conditions
in free air; SO8 package, PCB: 2 cm ?? 3 cm,
2-layer, 35 ? m Cu per layer
in free air; SO12 package, PCB: 2 cm ? 3 cm,
Typ
152
121
Unit
K/W
K/W
2-layer, 35 ? m Cu per layer
11. Characteristics
Table 7.
Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
High-voltage
I leak(DRAIN)
I leak(HV)
leakage current on pin DRAIN
leakage current on pin HV
V DRAIN = 600 V
V DRAIN = 300 V
V HV = 600 V
V HV = 300 V
-
-
-
-
-
-
-
-
10
10
30
30
? A
? A
? A
? A
Supply
V CC
V CC(startup)
V CC(stop)
V CC(hys)
V CC(rst)
V CC(swon)reg
supply voltage
start-up supply voltage
stop supply voltage
hysteresis of supply voltage
reset supply voltage
regulator switch-on supply
operating range
between V CC(startup) and V CC(stop)
insufficient dV/dt supply
[1]
8
11
8
2
4.5
8.75
-
12
9
-
5
9.25
14
13
10
-
5.5
9.75
V
V
V
V
V
V
voltage
V CC(swoff)reg
regulator switch-off supply
insufficient dV/dt supply
9.5
10
10.5
V
voltage
V CC(reg)hys
regulator supply voltage
V CC(swoff)reg ? V CC(swon)reg
0.3
-
-
V
hysteresis
V CC(regswon-stop) supply voltage difference
V CC(swon)reg ? V CC(stop)
0.3
-
-
V
between regulator switch-on and
stop
Consumption
I stb(HV)
standby current on pin HV
during start-up or in protection;
300
350
400
? A
V HV = 100 V
I CC
supply current
normal operation
-
1.3
-
mA
Capability
I sup(high)HV
high supply current on pin HV
Standby: V HV = 40 V;
1
1.3
1.6
mA
VCC < V CC(stop)
Regulator On: V HV = 40 V;
2
2.3
2.6
mA
VCC < V CC(swon)reg after start-up
SSL21081T_2T_3T_4T
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3.1 — 22 February 2012
? NXP B.V. 2012. All rights reserved.
13 of 23
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