2 Electrical Performance Specifications
Table 2-1. TPS53126EVM-600 Electrical and Performance Specifications
Parameter
Notes and Conditions
Min
Typ
Max Unit
INPUT CHARACTERISTICS
V
IN
Input voltage
8
12
22
V
I
IN
Input Current
V
IN
= 12 V, I
OUT1
= 4 A, I
OUT2
= 4 A
–
1.2
1.5
A
No-Load Input Current
V
IN
= 12 V, I
OUT
= 0 A, SW3 = 350 kHz
–
20
–
mA
V
IN_UVLO
Input UVLO
I
OUT
= 4 A
4.0
4.2
4.5
V
OUTPUT CHARACTERISTICS
V
OUT1
Output Voltage 1
V
IN
= 12 V, I
OUT1
= 2 A
–
1.05
–
V
Line Regulation
V
IN
= 8 V to 22 V
–
–
1%
Load Regulation
I
OUT1
= 0 A to 4 A
–
–
1%
V
OUT1_rip
Output Voltage Ripple
V
IN
= 12 V, I
OUT2
= 4 A
–
–
30 mVpp
I
OUT1
Output Current 1
V
IN
= 8 V to 22 V
0
4
A
V
OUT2
Output Voltage 2
V
IN
= 12 V, I
OUT2
= 2 A
–
1.80
–
V
Line Regulation
V
IN
= 8 V to 22 V
–
–
1%
Load Regulation
I
OUT2
= 0 A to 4 A
–
–
1%
V
OUT2_rip
Output Voltage Ripple
V
IN
= 12 V, I
OUT2
= 4 A
–
–
30 mVpp
I
OUT2
Output Current 2
V
IN
= 8 V to 22 V
0
4
A
SYSTEMS CHARACTERISTICS
F
SW
Switching Frequency
SW3 = 350 kHz
200
350
400
kHz
η
pk1
Peak Efficiency of Output 1
V
IN
= 12 V, SW3 = 350 kHz
–
88%
η
1
Full Load Efficiency of Output 1
V
IN
= 12 V, I
OUT1
= 4 A, SW3 = 350 kHz
–
85%
η
pk2
Peak Efficiency of Output 2
V
IN
= 12 V, SW3 = 350 kHz
–
9%1
η
2
Full Load efficiency of Output 2
V
IN
= 12 V, I
OUT2
= 4 A, SW3 = 350 kHz
–
91%
Electrical Performance Specifications
4
TPS53126 Buck Controller Evaluation Module User's Guide
SLVU435A – FEBRUARY 2011 – REVISED JANUARY 2022
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