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Electrical Performance Specifications
2 Electrical Performance Specifications
Table 2-1
lists the electrical performance specifications in room temperature (20 to 25°C). Characteristics are
given for an input voltage of VIN = 12 V, unless otherwise specified.
Table 2-1. TPS546D24SEVM-2PH Electrical Performance Specifications
Parameter
Input Characteristics
Input voltage range, V
IN
Full load input current
Full load input current
No load input current
Enable switching threshold
Disable switching threshold
Output Characteristics
Output voltage, V
OUT
Output load current, I
OUT
Output voltage regulation
Output voltage ripple
Output voltage undershoot
Output voltage overshoot
Output overcurrent fault threshold
Systems Characteristics
Switching frequency
(1)
Full load efficiency, V
OUT
Operating case temperature
Loop bandwidth
Phase margin
PMBus Interface and Pin-Strapping
U1_P1 PMBus address
U1_P1 Voltage reference
U1_P1 Soft-start time (TON_RISE)
(1)
The efficiency is measured using the test points listed in
traces.
6
TPS546D24S 2-Phase SWIFT
User's Guide
Test Conditions
I
= 80 A
OUT
V
= 5 V, I
= 80 A
IN
OUT
I
= 0 A, switching enabled
OUT
Set by default resistor divider, JP2_P1 and JP2_P2 pins 3
and 4 shorted
Set by default resistor divider, JP2_P1 and JP2_P2 pins 3
and 4 shorted
Line Regulation: V
= 5 V to 16 V
IN
Load Regulation: I
OUT
I
= 80 A
OUT
I
= 20-A to 60-A step at 1 A/µs
OUT
I
= 60-A to 20-A step at 100 A/µs
OUT
Phase current limit setting of U1_P1 programmed by
MSEL2
Phase current limit setting of U1_P2 programmed by
MSEL2
Programmed by MSEL1
I
= 80 A
OUT
I
= 80 A, 10 minute soak
OUT
I
= 40 A
OUT
Programmed by NVM and ADRSEL
Default setting of VOUT_COMMAND programmed by
VSEL
Default setting of TON_RISE programmed by MSEL2
Table 6-2
™
Step-Down Converter Evaluation Module
Copyright © 2023 Texas Instruments Incorporated
= 0 A to 80 A
to minimize the effect of DC drops caused by onboard copper
www.ti.com
MIN
TYP
MAX
Unit
5
12
16
V
6.4
A
15.6
A
130
mA
5.26
V
4.75
V
0.8
V
0
80
A
0.1%
0.1%
5
mVpp
70
mV
70
mV
52
A
52
A
550
kHz
84.8%
80
°C
30.3
kHz
93.5
°
36
Decimal
800
mV
3
ms
SLUUCQ1 – MARCH 2023
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