Datasheet

20
30
40
50
60
70
80
90
100
110
120
−50 −25 0 25 50 75 100 125 150
T
J
− Junction Temperature (°C)
gm (uA/V)
V
IN
= 12 V
G009
1.15
1.16
1.17
1.18
1.19
1.2
1.21
1.22
1.23
1.24
1.25
1.26
1.27
1.28
1.29
1.3
−50 −25 0 25 50 75 100 125 150
T
J
− Junction Temperature (°C)
EN − Threshold (V)
V
IN
= 12 V
G010
0
500
1000
1500
2000
2500
0 50 100 150 200
RT/CLK − Resistance (kΩ)
ƒ
SW
− Switching Frequency (kHz)
G007
200
250
300
350
400
450
500
−50 −25 0 25 50 75 100 125 150
T
J
− Junction Temperature (°C)
gm (dB)
V
IN
= 12 V
G008
450
460
470
480
490
500
510
520
530
540
550
−50 −25 0 25 50 75 100 125 150
T
J
− Junction Temperature (°C)
ƒ
SW
− Switching Frequency (kHz)
RT = 200 kΩ, V
IN
= 12 V
G005
0
50
100
150
200
250
300
350
400
450
500
200 300 400 500 600 700 800 900 1000
RT/CLK − Resistance (kΩ)
ƒ
SW
− Switching Frequency (kHz)
ƒ
SW
(kHz) = 92417 × R
T
(kΩ)
−0.991
R
T
(kΩ) = 101756 × f
SW
(kHz)
−1.008
G006
TPS54360
www.ti.com SLVSBB4E –AUGUST 2012–REVISED MARCH 2014
Typical Characteristics (continued)
Figure 5. Switching Frequency vs Junction Temperature Figure 6. Switching Frequency vs RT/CLK Resistance
Low Frequency Range
Figure 7. Switching Frequency vs RT/CLK Resistance Figure 8. EA Transconductance vs Junction Temperature
High Frequency Range
Figure 9. EA Transconductance During Soft-Start vs Figure 10. EN Terminal Voltage vs Junction Temperature
Junction Temperature
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