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2 Electrical Performance Specifications
Table 1. TPS53127EVM-614 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 – 20 35 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 1.03 1.05 1.07 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 1.78 1.80 1.82 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 350 700 800 kHz
ηpk Peak Efficiency V
IN
= 12 V – 85% –
η Full Load Efficiency V
IN
= 12 V, I
OUT1
= 4 A – 83% –
3
SLVU434–February 2011 TPS53127EVM-614
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