Datasheet

°C
μ
T
J
− Junction Temperature − °C
1.200
1.205
1.210
1.215
1.220
−50 −25 0 25 50 75 100 125 150
VIN = 12 V
En Pin UVLO Threshold − V
T
J
− Junction Temperature − °C
2.1
2.2
2.3
2.4
2.5
−50 −25 0 25 50 75 100 125 150
I
SS
− Slow Start Charge Current − µA
V
I
− Input Voltage − V
400
500
600
700
800
3 6 9 12 15
T
J
= −40°C
Non-Switching Operating Quiescent Current − µA
T
J
= −25°C
T
J
= 150°C
T
J
− Junction Temperature − °C
0.01
0.02
0.03
0.04
0.05
−50 −25 0 25 50 75 100 125 150
(SS/TR - Vsense) Offset − V
T
J
− Junction Temperature − °C
80
90
100
110
120
−50 −25 0 25 50 75 100 125 150
VIN = 12 V
PWRGD Threshold Current − µA
VSENSE Rising
VSENSE Falling
VSENSE Rising
VSENSE Falling
TPS54620
SLVS949C – MAY 2009– REVISED MAY 2011 www.ti.com
TYPICAL CHARACTERISTICS (continued)
PIN PULL-UP CURRENT vs TEMPERATURE PIN UVLO THRESHOLD vs TEMPERATURE
Figure 7. Figure 8.
NON-SWITCHING OPERATING QUIESCENT CURRENT
(VIN) vs SLOW START CHARGE CURRENT vs
INPUT VOLTAGE TEMPERATURE
Figure 9. Figure 10.
(SS/TR - VSENSE) OFFSET vs TEMPERATURE PWRGD THRESHOLD vs TEMPERATURE
Figure 11. Figure 12.
8 Copyright © 2009–2011, Texas Instruments Incorporated