Datasheet

0
0.5
1
1.5
2
2.5
3
±50 ±25 0 25 50 75 100 125 150
I
VIN
(µA)
T
J
- Junction Temperature (C)
C039
0
0.5
1
1.5
2
2.5
3
0 10 20 30 40 50 60
I
VIN
(µA)
V
IN
- Input Voltage (V)
C040
±4.5
±4.3
±4.1
±3.9
±3.7
±3.5
±3.3
±3.1
±2.9
±2.7
±2.5
±50 ±25 0 25 50 75 100 125 150
I
EN
- Hysteresis (µA)
T
J
- Junction Temperature (C)
C037
0
25
50
75
100
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
V
FB
(V)
% of Nominal Switching Frequency
V
FB
Falling
V
FB
Rising
G013
±2.5
±2.3
±2.1
±1.9
±1.7
±1.5
±1.3
±1.1
±0.9
±0.7
±0.5
±50 ±25 0 25 50 75 100 125 150
I
EN
(µA)
T
J
- Junction Temperature (C)
C036
−5
−4.9
−4.8
−4.7
−4.6
−4.5
−4.4
−4.3
−4.2
−4.1
−4
−50 −25 0 25 50 75 100 125 150
Tj − Junction Temperature (°C)
I
EN
(µA)
G012
TPS54340
SLVSBK0B –OCTOBER 2012–REVISED MARCH 2014 www.ti.com
Typical Characteristics (continued)
V
IN
= 12 V I
EN
= Threshold +50 mV
V
IN
= 5 V I
EN
= Threshold +50 mV
Figure 13. EN Terminal Current vs Junction Temperature
Figure 12. EN Terminal Current vs Junction Temperature
V
IN
= 12V
V
IN
= 12 V
Figure 15. Switching Frequency vs FB
Figure 14. EN Terminal Current Hysteresis vs Junction
Temperature
V
IN
= 12 V T
J
= 25°C
Figure 16. Shutdown Supply Current vs Junction Figure 17. Shutdown Supply Current vs Input Voltage (V
IN
)
Temperature
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