Texas Instruments TPS54383, Руководство пользователя

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2 TPS54383EVM Electrical Performance Specifications
Table 2-1. Electrical Performance Specifications
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Characterstics
V
IN
Input coltage 9.6 12 13.2 V
I
IN
Input current V
IN
= nom, I
OUT
= max - 1.6 2.0 A
No load input current V
IN
= nom, I
OUT
= 0 A - 12 20 mA
V
IN_UVLO
Input UVLO I
OUT
= min to max 4.0 4.2 4.4 V
Output Characterstics
V
OUT1
Output voltage 1 V
IN
= nom, I
OUT
= nom 4.85 5.0 5.15
V
V
OUT2
Output voltage 2 V
IN
= nom, I
OUT
= nom 3.20 3.3 3.40
Line regulation V
IN
= min to max - - 1%
Load regulation IOUT = min to max - - 1%
V
OUT_ripple
Output voltage ripple V
IN
= nom, I
OUT
= max - - 50 mV
pp
I
OUT1
Output current 1
(1)
V
IN
= min to max 0 2.0
A
I
OUT2
Output current 2
(1)
V
IN
= min to max 0 2.0
I
OCP1
Output over current
Channel 1
V
IN
= nom, V
OUT
= V
OUT1
- 5% 3.1 3.7 4.5
I
OCP2
Output over current
Channel 2
V
IN
= nom, V
OUT
= V
OUT2
- 5% 3.1 3.7 4.5
Systems Characterstics
F
SW
Switching frequency 255 310 375 kHz
ηpk Peak efficiency V
IN
= nom - 90% -
η Full load efficiency V
IN
= nom, I
OUT
= max - 85% -
Top
Operating temperature
range
V
IN
= min to max, I
OUT
= min to max 0 25 60
°C
(1) Recommended Load Current limited to 2 A to prevent rectifier diodes surface temperature from exceeding 65°C.
TPS54383EVM Electrical Performance Specifications www.ti.com
4 TPS54383 Step-Down Converter Evaluation Module User's Guide SLUU285D – JULY 2007 – REVISED OCTOBER 2021
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