TPS54622 Datasheet, PDF (8/36 Pages) Texas Instruments – 4.5V to 17V Input, 6A Synchronous Step Down SWIFT™ Converter With Hiccup

TPS54622
SLVSA70 – MARCH 2011
www.ti.com
TYPICAL CHARACTERISTICS (continued)
PIN PULL-UP CURRENT vs TEMPERATURE
PIN UVLO THRESHOLD vs TEMPERATURE
1.220
VIN = 12 V
1.215
1.210
1.205
°C
Figure 7.
NON-SWITCHING OPERATING QUIESCENT CURRENT
(VIN) vs
INPUT VOLTAGE
800
T_J = −40°C
700
T_J = −25°C
T_J = 150°C
600
500
400
3
6
9
12
15
V_I − Input Voltage − V
Figure 9.
(SS/TR - VSENSE) OFFSET vs TEMPERATURE
0.040
0.030
0.020
0.010
−50 −25
0 25 50 75 100 125 150
T_J − Junction Temperature − °C
Figure 11.
1.200
−50 −25
0 25 50 75 100 125 150
T_J − Junction Temperature − °C
Figure 8.
SLOW START CHARGE CURRENT vs
TEMPERATURE
2.5
2.4
2.3
2.2
2.1
−50 −25
0 25 50 75 100 125 150
T_J − Junction Temperature − °C
Figure 10.
PWRGD THRESHOLD vs TEMPERATURE
120
Vin = 12 V
110
VSENSE Rising
100
VSENSE Falling
VSENSE Rising
90
VSENSE Falling
80
−50 −25
0 25 50 75 100 125 150
T_J − Junction Temperature − °C
Figure 12.
8
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