Datasheet

−6
−4
−2
0
2
4
6
−40 −25 −10 5 20 35 50 65 80 95 110 125
Junction Temperature (°C)
Frequency Change (%)
FREQUENCY_SWITCH = 200 kHz
FREQUENCY_SWITCH = 600 kHz
FREQUENCY_SWITCH = 2 MHz
V
VDD
= 12 V
−4
−2
0
2
4
6
8
10
12
−40 −25 −10 5 20 35 50 65 80 95 110 125
Junction Temperature (°C)
Frequency Change (%)
FREQUENCY_SWITCH = 200 kHz
FREQUENCY_SWITCH = 600 kHz
FREQUENCY_SWITCH = 2 MHz
V
VDD
= 3 V
0
2
4
6
8
10
12
−40 −25 −10 5 20 35 50 65 80 95 110 125
Junction Temperature (°C)
PGOOD Pin Leakage (µA)
V
PGOOD
= 5 V
9.0
9.5
10.0
10.5
11.0
11.5
12.0
12.5
13.0
−40 −25 −10 5 20 35 50 65 80 95 110 125
Junction Temperature (°C)
PGOOD Resistance to GND (Ω)
TPS40400
www.ti.com SLUS930B –APRIL 2011– REVISED OCTOBER 2011
TYPICAL CHARACTERISTICS (continued)
Figure 13. Switching Frequency Change Figure 14. Switching Frequency Change
vs. Junction Temperature vs. Junction Temperature
Figure 15. PGOOD Pin Current Leakage Figure 16. PGOOD Resistance to GND
vs. Junction Temperature vs. Junction Temperature
Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 13
Product Folder Link(s) :TPS40400