Datasheet

Performance Specification Summary
1-5
Introduction
Table 1-3.TPS54880EVM-228 Performance Specification Summary
Specification Test Conditions Min Typ Max Units
Input voltage range 4.5
5.0 6.0 V
Output voltage set point range 0.9 1.8 3.3 V
Output current range 0 8 A
Line regulation I
O
= 0 A-8 A -0.2% 0.2%
Load regulation V
IN
= 5 V -0.2% 0.2%
I = 1.5 A to 4.5 A, t(rise) = 1 µs,
-60 mV
PK
I
O
= 1.5 A to 4.5 A, t(rise) = 1
µ
s,
V
IN
= 5 V
20 µs
Load transient response
I = 4.5 A to 1.5 A, t(fall) = 1 µs,
80 mV
PK
I
O
= 4.5 A to 1.5 A, t(fall) = 1
µ
s,
V
IN
= 5 V
20 µs
Loop bandwidth V
IN
= 5 V 100 kHz
Phase margin V
IN
= 5 V 50 _
Input ripple voltage with synchronized
channels
V
IN
= 5 V, I
O
= 8 A 110 mV
PP
Input ripple voltage with
nonsynchronized channels
V
IN
= 5 V, I
O
= 8 A 160 mV
PP
Output ripple voltage 10 mV
PP
Tracking delay 10 µs
Operating frequency 700 kHz
Maximum efficiency
V
IN
= 5.0 V, I
O
= 2.5 A,
Vout = 1.8 V
89%
Efficiency at I
O
= 8 A V
IN
= 5.0 V, Vout = 1.8 V 82%
The minimum input voltage in this EVM is limited by the 3.3-V output of regulator TPS54810. The minimum input voltage of
regulators TPS54880 and TPS54810 is 4 V.