Datasheet
V – SS/TR to Vsense Offset – V
off
T – Junction Temperature – C
J
°
40
50
60
70
80
–50 –25 0 25 50 75 100 125
PWRGD Threshold – % of V
ref
T – Junction Temperature – C
J
°
80
90
100
110
120
–50 –25 0 25 50 75 100 125
VSENSE Rising
VSENSE Falling
VSENSE Falling
VSENSE Rising
I – Non-Switching Operating Quiescent Current – A
q
μ
V – Input Voltage – V
I
400
500
600
700
800
3
6 9
12
15 18
T = 125 C
J
°
T = 25 C
J
°
T = 40 C
J
– °
I – SS Charge Current – A
ss
µ
T – Junction Temperature – C
J
°
2.10
2.20
2.30
2.40
2.50
–50 –25 0 25 50 75 100 125
I – Pullup Current – A
p
µ
T – Junction Temperature – C
J
°
1.00
1.05
1.10
1.15
1.20
–50 –25 0 25 50 75 100 125
VIN = 12 V
EN = 1.1 V
EN – UVLO Threshold – V
T – Junction Temperature – C
J
°
1.20
1.21
1.22
1.23
1.24
–50 –25 0 25 50 75 100 125
VIN = 12 V
TPS54521
www.ti.com
SLVS981C –JUNE 2010–REVISED AUGUST 2013
TYPICAL CHARACTERISTICS (continued)
EN PIN PULL-UP CURRENT vs TEMPERATURE EN PIN UVLO THRESHOLD vs TEMPERATURE
Figure 7. Figure 8.
NON-SWITCHING OPERATING QUIESCENT CURRENT 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.
Copyright © 2010–2013, Texas Instruments Incorporated Submit Documentation Feedback 9
Product Folder Links :TPS54521