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Electrical Performance Specifications
2 Electrical Performance Specifications
Table 2-1. TPS53128EVM-620 Electrical and Performance Specifications
Parameter
INPUT CHARACTERISTICS
V
Input voltage
IN
I
Input current
IN
No load input current
V
Input UVLO
IN_UVLO
OUTPUT CHARACTERISTICS
V
Output voltage 1
OUT1
Line regulation
Load regulation
V
Output voltage ripple
OUT1_rip
I
Output current 1
OUT1
V
Output voltage 2
OUT2
Line regulation
Load regulation
V
Output voltage ripple
OUT2_rip
I
Output current 2
OUT2
SYSTEMS CHARACTERISTICS
F
Switching frequency
SW
ηpk1
Peak efficiency of output 1
η1
Full load efficiency of output 1
ηpk2
Peak efficiency of output 2
η2
Full load efficiency of output 2
4
TPS53128 Buck Controller Evaluation Module User's Guide
Notes and Conditions
V
= 12 V, I
= 4 A, I
= 4 A
IN
OUT1
OUT2
V
= 12 V, I
= 0 A
IN
OUT
I
= 4 A
OUT
V
= 12 V, I
= 2 A
IN
OUT1
V
= 8 V to 22 V
IN
I
= 0 A to 4 A
OUT1
V
= 12 V, I
= 4 A
IN
OUT2
V
= 8 V to 22 V
IN
V
= 12 V, I
= 2 A
IN
OUT2
V
= 8 V to 22 V
IN
I
= 0 A to 4 A
OUT2
V
= 12 V, I
= 4 A
IN
OUT2
V
= 8 V to 22 V
IN
V
= 12 V
IN
V
= 12 V, I
= 4 A
IN
OUT1
V
= 12 V
IN
V
= 12 V, I
= 4 A
IN
OUT2
Copyright © 2022 Texas Instruments Incorporated
MIN
TYP
8
—
—
4.0
—
1.05
—
—
—
0
—
1.80
—
—
—
0
200
350
—
87%
—
85%
—
91%
—
90%
SLVU433A – FEBRUARY 2011 – REVISED JANUARY 2022
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MAX UNIT
12
22
V
1.2
1.5
A
20
—
mA
4.2
4.5
V
—
V
—
1%
—
1%
-
30 mVpp
4
A
—
V
—
1%
—
1%
—
30 mVpp
4
A
400
kHz
—
—
—
—
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