Datasheet NSI50350AD (ON Semiconductor) - 4

ManufacturerON Semiconductor
DescriptionConstant Current Regulator & LED Driver 50 V, 350 mA +- 10%, 11 W Package
Pages / Page9 / 4 — NSI50350ADT4G. TYPICAL PERFORMANCE CURVES. DC Test Steady State, Still …
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NSI50350ADT4G. TYPICAL PERFORMANCE CURVES. DC Test Steady State, Still Air. Non−Repetitive Pulse Test

NSI50350ADT4G TYPICAL PERFORMANCE CURVES DC Test Steady State, Still Air Non−Repetitive Pulse Test

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NSI50350ADT4G TYPICAL PERFORMANCE CURVES
(Minimum DENKA K1 @ 900 mm2, 1.5 mm Al, 2kV Thermally conductive dielectric, 2 oz. Cu, or equivalent) 450 500 TA = −40°C TA = 25°C 400 450 T ≈−0.894 mA/°C typ A = 25°C 350 ≈−0.860 mA/°C typ 400 T 300 A = 85°C ≈−0.508 mA/°C typ 350 250 TE CURRENT (mA) A T 200 A = 125°C 300 TJ, maximum die temperature limit 175°C 150 250 , PULSE CURRENT (mA) 100 , STEADY ST I reg(P) 200 50
DC Test Steady State, Still Air Non−Repetitive Pulse Test
0 150 I reg(SS) 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Vak, ANODE−CATHODE VOLTAGE (V) Vak, ANODE−CATHODE VOLTAGE (V)
Figure 2. Steady State Current (Ireg(SS)) vs. Figure 3. Pulse Current (Ireg(P)) vs. Anode−Cathode Voltage (Vak) Anode−Cathode Voltage (Vak)
390 430 Vak @ 7.5 V Vak @ 7.5 V 380 420 T T A = 25°C A = 25°C 370 410 TION (mA) 360 400 TE CURRENT (mA) 390 A 350 380 340 370 330 360 , STEADY ST 320 , CURRENT REGULA 350 I reg I reg(SS) 310 340 375 385 395 405 415 425 435 445 455 465 475 0 50 100 150 200 250 300 350 Ireg(P), PULSE CURRENT (mA) TIME (s)
Figure 4. Steady State Current vs. Pulse Figure 5. Current Regulation vs. Time Current Testing
16000 2500 mm2, Denka K1, 2 oz 14000 12000 1600 mm2, Denka K1, 2 oz TION (mW) 10000 A 8000 6000 4000 , POWER DISSIP 900 mm2, Denka K1, 2 oz DP 2000 1000 mm2, FR4, 3 oz 400 mm2, Denka K1, 2 oz 0 −40 −20 0 20 40 60 80 100 120 TA, AMBIENT TEMPERATURE (°C)
Figure 6. Power Dissipation vs. Ambient Temperature @ TJ = 175
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