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3 TPS40131EVM Electrical Performance Specifications
TPS40131EVM Electrical Performance Specifications
Table 1. TPS40131EVM Electrical and Performance Specifications
Parameter Notes and Conditions Min Typ Max Units
INPUT CHARACTERISTICS
Input voltage range (V
IN1
) 10.8 13.2 V
Max input current V
IN1
= 10.8 V, I
OUT
= 40 A 6.5 A
No-load input current V
IN1
= 13.2 V, I
OUT
= 0A 35 mA
Input voltage range(V
IN2
) 4.5 5.5 V
Max input current 120 mA
OUTPUT CHARACTERISTICS
OUTPUT (V
OUT
) V
Output voltage 1.5 V
Line Regulation (10.8 V < V
IN
< 13.2 V, I
OUT
= 40 A) 0.2%
Output voltage regulation
Load Regulation (0A < I
OUT
< 40 A, V
IN
= 12 V) 0.2%
Output voltage ripple V
IN
= 13.2 V, I
OUT
= 40 A 30 mVpp
Output load current I
OUT
0 40 A
Output over current 55 A
SYSTEM CHARACTERISTICS
Switching Frequency 380 kHz
Peak efficiency V
OUT
= 1.5 V, 18A < I
OUT
< 22A, V
IN
= 12 V 88.5%
Full load efficiency V
OUT
= 1.5 V, I
OUT
= 40 A, V
IN
= 12 V 85%
SLVU198A – February 2007 – Revised May 2007 Using the TPS40131EVM, A 40A Single Output 3
Two-Phase Synchronous Buck Converter
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