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Electrical Performance Specifications www.ti.com
2 Electrical Performance Specifications
Table 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%
4
TPS53126EVM-600 SLVU435–February 2011
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