NSI45060JDT4G_14 Datasheet, PDF (3/8 Pages) ON Semiconductor – Adjustable Constant Current Regulator & LED Driver

NSI45060JDT4G
THERMAL CHARACTERISTICS
Characteristic
Symbol
Max
Unit
Total Device Dissipation (Note 5) T_A = 25°C
Derate above 25°C
P_D
1771
mW
14.16
mW/°C
Thermal Resistance, Junction−to−Ambient (Note 5)
Thermal Reference, Junction−to−Lead 4 (Note 5)
Total Device Dissipation (Note 6) T_A = 25°C
Derate above 25°C
R_θJA
R_ψJL4
P_D
70.6
6.8
2083
16.67
°C/W
°C/W
mW
mW/°C
Thermal Resistance, Junction−to−Ambient (Note 6)
Thermal Reference, Junction−to−Lead 4 (Note 6)
Total Device Dissipation (Note 7) T_A = 25°C
Derate above 25°C
R_θJA
R_ψJL4
P_D
60
6.3
2080
16.64
°C/W
°C/W
mW
mW/°C
Thermal Resistance, Junction−to−Ambient (Note 7)
Thermal Reference, Junction−to−Lead 4 (Note 7)
Total Device Dissipation (Note 8) T_A = 25°C
Derate above 25°C
R_θJA
R_ψJL4
P_D
60.1
6.5
2441
19.53
°C/W
°C/W
mW
mW/°C
Thermal Resistance, Junction−to−Ambient (Note 8)
Thermal Reference, Junction−to−Lead 4 (Note 8)
Total Device Dissipation (Note 9) T_A = 25°C
Derate above 25°C
R_θJA
R_ψJL4
P_D
51.2
5.9
2309
18.47
°C/W
°C/W
mW
mW/°C
Thermal Resistance, Junction−to−Ambient (Note 9)
Thermal Reference, Junction−to−Lead 4 (Note 9)
Total Device Dissipation (Note 10) T_A = 25°C
Derate above 25°C
R_θJA
R_ψJL4
P_D
54.1
6.2
2713
21.71
°C/W
°C/W
mW
mW/°C
Thermal Resistance, Junction−to−Ambient (Note 10)
R_θJA
46.1
°C/W
Thermal Reference, Junction−to−Lead 4 (Note 10)
R_ψJL4
5.7
°C/W
Junction and Storage Temperature Range
T_J, T_stg
−55 to +175
°C
NOTE: Lead measurements are made by non−contact methods such as IR with treated surface to increase emissivity to 0.9.
Lead temperature measurement by attaching a T/C may yield values as high as 30% higher °C/W values based upon empirical
measurements and method of attachment.
5. FR−4 @ 300 mm², 1 oz. copper traces, still air.
6. FR−4 @ 300 mm², 2 oz. copper traces, still air.
7. FR−4 @ 500 mm², 1 oz. copper traces, still air.
8. FR−4 @ 500 mm², 2 oz. copper traces, still air.
9. FR−4 @ 700 mm², 1 oz. copper traces, still air.
10. FR−4 @ 700 mm², 2 oz. copper traces, still air.
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