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3 Electrical Performance Specifications
Table 3-1. TPS56121EVM-601 Electrical Performance Specifications
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input Characteristics
V
IN
Input voltage
8
12
14
V
I
IN
Input current
VIN = 12 V, IOUT = 15 A
1.40
A
No load input current
VIN = 12 V, IOUT = 0 A
43
mA
V
IN_UVLO
Input UVLO
IOUT = 15 A
4.2
V
Output Characteristic
V
OUT
Output voltage
VIN = 8 V to 14 V, IOUT = 0 A to 15 A
0.98
1.0
1.02
V
Line regulation
VIN = 8 V to 14 V, IOUT = 15 A
0.1%
Load regulation
VIN = 12 V, IOUT = 0 A to 15 A
0.5%
V
RIPPLE
Output voltage ripple
VIN = 12 V, IOUT = 15 A
20
mV
PP
I
OUT
Output current
VIN = 8 V to 14 V
0
15
A
Systems Characteristics
f
SW
Switching frequency
450
500
550
kHz
η
pk
Peak efficiency
VIN = 12 V, IOUT = 13 A
90.5%
η
Full-load efficiency
VIN = 12 V, IOUT = 15 A
90.4%
Operating temperature
25
°C
Electrical Performance Specifications
SLVU445C – MARCH 2011 – REVISED AUGUST 2021
TPS56121 Step-Down Converter Evaluation Module User's Guide
5
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