Datasheet
Time = 2 msec / div
Vin = 5 V / div
Vout = 2 V / div
Vout starting from 1 V pre-bias voltage
Time = 2 msec / div
Vin = 10 V / div
EN = 2 V / div
Vout = 2 V / div
SS/TR = 1 V / div
Time = 2 msec / div
Vin = 10 v / div
SS/TR = 1 V / div
EN = 2 V / div
Vout = 2 V / div
Time = 2 msec / div
Vin = 10 V / div
EN = 2 V / div
Vout = 2 V / div
SS/TR = 1 V / div
Time = 50 μsec / div
Vout = 50 mV / div (AC coupled)
Iout = 1 A / div (0 A to 3 A load step)
Vin = 12 V
Time = 2 msec / div
Vin = 10 V / div
EN = 2 V / div
Vout = 2 V / div
SS/TR = 1 V / div
TPS54521
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SLVS981C –JUNE 2010–REVISED AUGUST 2013
Application Curves from the Design Example
STARTUP with VIN
LOAD TRANSIENT (1 Ω Load)
Figure 35. Figure 36.
STARTUP with VIN STARTUP with EN
(No Load) (1 Ω Load)
Figure 37. Figure 38.
STARTUP with EN STARTUP on VIN with PRE-BIAS
(No Load) (1 Ω Load)
Figure 39. Figure 40.
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