Datasheet

Performance Specification Summary
1-3
Introduction
1.2 Performance Specification Summary
A summary of the TPS54x72EVM−222 performance specifications is provided
by Table 1−2, Table 1−3, and Table 1−4. All specifications are given for an an
output voltage of 1.25 V and an ambient temperature of 25°C, unless
otherwise noted.
Table 1−2.TPS54672EVM-222 Performance Specification Summary
Specification Test Conditions Min Typ Max Units
Input voltage range 3.0
3.3 or
5.0
6.0 V
Output voltage set point 0.42 1.25 1.75 V
Output current range V
I
= 3 V to 6 V −6 6 A
Line regulation I
O
= 3 A 0.4 mV
Load regulation V
I
= 5 V, I
O
= 0 A to 6 A 8.0 mV
I
O
= 1.5 A to 4.5 A, t
r
= 40 µs
−15 mV
PK
Load transient response
I
O
= 1.5 A to 4.5 A, t
r
= 40
µ
s
100 µs
Load transient response
I
O
= 4.5 A to 1.5 A, t
f
= 40 µs
15 mV
PK
I
O
= 4.5 A to 1.5 A, t
f
= 40
µ
s
50 µs
Loop bandwidth V
I
= 3 V 80 kHz
Phase margin V
I
= 3 V 48 °
Loop bandwidth V
I
= 6 V 100 kHz
Phase margin V
I
= 6 V 47 °
Input ripple voltage 245 275 mV
PP
Output ripple voltage 7 10 mV
PP
Output rise time 4.7 8.4 15 ms
Operating frequency 700 kHz
Maximum efficiency V
I
= 5.0 V, Vo = 1.25 V, I
O
= 2.5 A 86.2%
Table 1−3.TPS54872EVM-222 Performance Specification Summary
Specification Test Conditions Min Typ Max Units
Input voltage range 4.0 5.0 6.0 V
Output voltage set point 0.56 1.25 1.75 V
Output current range V
I
= 4 V to 6 V −8 8 A
Line regulation I
O
= 4 A 0.4 mV
Load regulation V
I
= 5 V, I
O
= 0 A to 8 A 8.0 mV
I
O
= 2 A to 6 A, t
r
= 40 µs
−25 mV
PK
Load transient response
I
O
= 2 A to 6 A, t
r
= 40
µ
s
75 µs
Load transient response
I
O
= 6 A to 2 A, t
f
= 40 µs
25 mV
PK
I
O
= 6 A to 2 A, t
f
= 40
µ
s
75 µs
Loop bandwidth V
I
= 4 V 80 kHz
Phase margin V
I
= 4 V 48 °
Loop bandwidth V
I
= 6 V 100 kHz
Phase margin V
I
= 6 V 46 °
Input ripple voltage 245 275 mV
PP
Output ripple voltage 7 10 mV
PP
Output rise time 4.7 8.4 15 ms
Operating frequency 700 kHz
Maximum efficiency V
I
= 5.0 V, Vo = 1.25 V, I
O
= 2.5 A 85.5%