LM3409 Datasheet, PDF (7/45 Pages) National Semiconductor (TI) – PFET Buck Controller for High Power LED Drives

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LM3409, LM3409-Q1, LM3409HV, LM3409HV-Q1
SNVS602L – MARCH 2009 – REVISED JUNE 2016
7.6 Typical Characteristics
T_A = 25 °C, V_IN = 24 V, and characteristics are identical for LM3409 and LM3409HV unless otherwise specified.
250
6.125
248
6.100
246
6.075
244
6.050
242
-50
-14
22
58
94 130
TEMPERATURE (°C)
Figure 1. V_CST vs Junction Temperature
1.260
1.255
1.250
1.245
1.240
1.235
1.230
-50
-14
22
58
94 130
TEMPERATURE (°C)
Figure 3. V_ADJ vs Junction Temperature
1.26
1.25
1.24
1.23
1.22
-50
-14
22
58
94 130
TEMPERATURE (°C)
Figure 5. V_OFT vs Junction Temperature
6.025
-50
-14
22
58
94 130
TEMPERATURE (°C)
Figure 2. V_CC vs Junction Temperature
-5.05
-5.10
-5.15
-5.20
-5.25
-5.30
-5.35
-50
-14
22
58
94 130
TEMPERATURE (°C)
Figure 4. I_ADJ vs Junction Temperature
180
160
140
120
100
80
60
-50
-14
22
58
94 130
TEMPERATURE (°C)
Figure 6. t_ON-MIN vs Junction Temperature
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