Texas Instruments TPS40400, Руководство пользователя

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3 Electrical Performance Specifications
Table 3-1. TPS40400EVM-351 Electrical Performance Specifications
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
Input Characteristics
Voltage range VIN 8 12 14 V
Maximum input current V
IN
= 8 V, I
O
= 20 A 3.5 A
No load input current V
IN
= 14 V, I
O
= 0 A with auto skip mode 50 mA
Output Characteristics
Output voltage, VOUT 1.2 V
Output voltage regulation Line regulation(V
IN
= 8 V - 14 V) 0.5%
Load regulation(V
IN
= 12 V, Io = 0 A - 20 A) 0.5%
Output voltage ripple V
IN
= 12 V, I
O
= 20 A 30 mVpp
Output load current 0 20
A
Output over current 25
Systems Characteristics
Switching frequency 608 kHz
Peak efficiency V
IN
= 12 V, 1.2 V / 12 A, F
SW
= 300 kHz 89.6%
Full-load efficiency V
IN
= 12 V, 1.2 V / 20 A 88.2%
Operating temperature 25 °C
Electrical Performance Specifications www.ti.com
4 TPS40400 Buck Controller Evaluation Module User's Guide SLUU535A – SEPTEMBER 2011 – REVISED JANUARY 2022
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