LM3409MY-NOPB Datasheet, PDF (5/43 Pages) Texas Instruments – PFET Buck Controller for High Power LED Drivers

LM3409, LM3409HV, LM3409-Q1
www.ti.com
SNVS602J – MARCH 2009 – REVISED MAY 2013
Typical Performance Characteristics
T_A = +25°C, V_IN = 24V, and characteristics are identical for LM3409 and LM3409HV unless otherwise specified.
V_CST vs. Junction Temperature
250
6.125
V_CC vs. Junction Temperature
248
6.100
246
6.075
244
6.050
242
-50 -14
22
58
94 130
TEMPERATURE (°C)
Figure 3.
1.260
V_ADJ vs. Junction Temperature
1.255
1.250
1.245
1.240
1.235
1.230
-50 -14
22
58
94 130
TEMPERATURE (°C)
Figure 5.
V_OFT vs. Junction Temperature
1.26
1.25
1.24
1.23
1.22
-50 -14
22
58
94 130
TEMPERATURE (°C)
Figure 7.
6.025
-50
-5.05
-14
22
58
94 130
TEMPERATURE (°C)
Figure 4.
I_ADJ vs. Junction Temperature
-5.10
-5.15
-5.20
-5.25
-5.30
-5.35
-50 -14
22
58
94 130
TEMPERATURE (°C)
Figure 6.
t_ON-MIN vs. Junction Temperature
180
160
140
120
100
80
60
-50 -14
22
58
94 130
TEMPERATURE (°C)
Figure 8.
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