Datasheet

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
Input Voltage - V [V]
IN
R (
DSON
W)
T = -40°C
A
T = 0°C
A
T = 60°C
A
T = 85°C
A
T = 25°C
A
V = 3.3 V
3.3V offset, 50mV/Div
I = 1mA
OUT
Load
Inductor current 200mA/Div
V = 12V
L = 15 H
C = 10 F
IN
OUT
m
m
SW pin 10V/Div
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
2.2
2.4
2.6
2.8
3
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
Input Voltage V [V]
IN
R (
DSON
W)
T = -40°C
A
T = 0°C
A
T = 60°C
A
T = 85°C
A
T = 25°C
A
1.15
1.155
1.16
1.165
1.17
1.175
1.18
1.185
1.19
1.195
1.2
1.205
1.21
1.215
1.22
1.225
1.23
1.235
1.24
1.245
1.25
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
Input Voltage V (V)
IN
EN Comparator Threshold - V (V)
TH EN
V T = 25°C
TH EN ON A
V T = 85°C
TH EN ON A
V T = -40°C
TH EN ON A
V T = -40°C
TH EN OFF A
V T = 85°C
TH EN OFF A
V T = 25°C
TH EN OFF A
TPS62125
www.ti.com SLVSAQ5C –MARCH 2012–REVISED DECEMBER 2013
Figure 29. EN Comparator Thresholds vs. Input Voltage Figure 30. R
DSON
High Side Switch
Figure 31. R
DSON
Low Side Switch (Rectifier) Figure 32. Power Save Mode V
OUT
=3.3V, I
OUT
= 1mA
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