Datasheet

V
2V/div
OUT
V
5V/div
EN_bar
t-Time-2ms/div
I
2 A/div
IN
V
2V/div
OUT
V
5V/div
EN_bar
t-Time-2ms/div
I
2 A/div
IN
V
5V/div
EN_bar
FAULT_bar
5V/div
t-Time-2ms/div
I
2 A/div
IN
V
2V/div
OUT
FAULT_bar
5V/div
t-Time-5ms/div
I
5 A/div
IN
V
2V/div
OUT
FAULT_bar
5V/div
t-Time-5ms/div
I
5 A/div
IN
2.29
T -JunctionTemperature-°C
J
-50 0 50 100 150
UVLO-UndervoltageLockout-V
2.335
2.295
2.3
2.305
2.31
2.315
2.32
2.325
2.33
UVLORising
UVLOFalling
TPS2556
TPS2557
www.ti.com SLVS931A – NOVEMBER 2009– REVISED FEBRUARY 2012
TYPICAL CHARACTERISTICS
Figure 6. Turn-on Delay and Rise Time Figure 7. Turn-off Delay and Fall Time
Figure 8. Device Enabled into Short-Circuit Figure 9. Full-Load to Short-Circuit Transient Response
Figure 10. Short-Circuit to Full-Load Recovery Response Figure 11. UVLO – Undervoltage Lockout – V
Copyright © 2009–2012, Texas Instruments Incorporated Submit Documentation Feedback 7
Product Folder Link(s): TPS2556 TPS2557