Texas Instruments UCC28C56EVM-066, Руководство пользователя, Страница: 4 / 36

2.1 EVM Electrical Performance Specifications
Table 2-1. EVM Electrical Specifications, V
IN
= 800 Vdc, T
A
= 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
INPUT CHARACTERISTICS
V
IN
Input voltage range
40 800 1000 V
V
VDD_ON
VDD start voltage
17.6 18.8 20.0 V
V
VDD_OFF
VDD stop voltage 15.0
15.5
16.0
V
I
IN_FL
Input current at full load
V
IN
= 1000 V, I
OUT
= 2.7 A -
52
-
mA
V
IN
= 40 V, I
OUT
= 1.3 A - 590 -
I
IN_NL
Input current at no load
V
IN
= 1000 V - 0.8 -
mA
V
IN
= 40 V - 13 -
OUTPUT CHARACTERISTICS
100% load output 125 V ≤ V
IN
≤ 1000 V - 15.2 -
V
V
OUT
50% load output 40 V ≤ V
IN
≤ 1000 V - 15.6 -
10% load output 40 V ≤ V
IN
≤ 1000 V - 16.3 -
No load output 40 V ≤ V
IN
≤ 1000 V - 19.3 -
I
OUT
V
OUT
load current range
125 V ≤ V
IN
≤ 1000 V 0 - 2.7
A
40 V ≤ V
IN
≤ 125 V 0 - 1.3
V
OUT_REG
Load regulation
250 mA ≤ I
OUT
≤ 2.7 A - ±3.5 -
%
0 mA ≤ I
OUT
≤ 200 mA 4 - 25
V
OUT_RIPPLE
PK-to-PK AC ripple
V
IN
= 1000 V, I
OUT
= 2.7 A, 1 MHz BWL -
400
-
mV
PP
V
IN
= 50 V, I
OUT
= 1.3 A, 1 MHz BWL -
280
-
V
OUT_SS_DELAY
V
IN
applied to when V
OUT
begins rising from 0 V
V
IN
= 50 V, I
OUT
= 1.3 A - 255 -
ms
V
IN
= 1000 V, I
OUT
= 2.7 A - 230 -
V
OUT_SS_trise
V
OUT
soft start, rise time I
OUT
= 2.7 A - 10 - ms
V
OUT_SS_OS
V
OUT
soft start overshoot
V
IN
= 1000 V, I
OUT
= 2.7 A
- 3.5 - %
P
MAX
Maximum output power
125 V ≤ V
IN
≤ 1000 V
- - 40
W
40 V ≤ V
IN
≤ 125 V
- - 20
SYSTEMS CHARACTERISTICS
η Full load efficiency
V
IN
= 400 V, I
OUT
= 2.7 A - 87.4 -
%
V
IN
= 800 V, I
OUT
= 2.7 A
- 86.1 -
f
SW
Switching frequency
V
IN
= 800 V, I
OUT
= 2.7 A
- 42.5 - kHz
I
CS(OCL)
Current sense limit R
CS
= 455 mΩ - 2.2 - A
f
CO
Bandwidth
V
IN
= 800 V, I
OUT
= 2.7 A - 625 -
Hz
V
IN
= 50 V, I
OUT
= 0.25 A - 3950 -
PM Phase Margin
V
IN
= 800 V, I
OUT
= 2.7 A - 105 -
deg
V
IN
= 50 V, I
OUT
= 0.25 A - 87 -
GM Gain Margin
V
IN
= 800 V, I
OUT
= 2.7 A - 40 -
dB
V
IN
= 50 V, I
OUT
= 0.25 A - 25 -
ΔT
MAX
Max. temp. rise over T
PCB
T1 at 800 V
IN
, I
OUT
= 2.7 A, 40 W - 48.9 -
°C
T1 at 1000 V
IN
, I
OUT
= 2.7 A, 40 W - 55.3 -
Description www.ti.com
4 Using the UCC28C56EVM-066 High-Density 40-W Auxiliary Power Supply for
800-V Traction Inverters SLUUCN1C – JUNE 2022 – REVISED DECEMBER 2022
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