SLUUCN1C June   2022  – December 2022 UCC28C50 , UCC28C50-Q1 , UCC28C51 , UCC28C51-Q1 , UCC28C52 , UCC28C52-Q1 , UCC28C53 , UCC28C53-Q1 , UCC28C54 , UCC28C54-Q1 , UCC28C55 , UCC28C55-Q1 , UCC28C56H , UCC28C56H-Q1 , UCC28C56L , UCC28C56L-Q1 , UCC28C57H , UCC28C57H-Q1 , UCC28C57L , UCC28C57L-Q1 , UCC28C58 , UCC28C58-Q1 , UCC28C59 , UCC28C59-Q1

 

  1.   Trademarks
  2. 1General Texas Instruments High Voltage Evaluation (TI HV EVM) User Safety Guidelines
  3. 2Description
    1. 2.1 EVM Electrical Performance Specifications
  4. 3Schematic Diagram
  5. 4EVM Setup and Operation
    1. 4.1 Recommended Test Equipment
    2. 4.2 External Connections
      1. 4.2.1 Setup and Connection of Test Equipment
      2. 4.2.2 Power On for the First Time
    3. 4.3 EVM Test Points
  6. 5Performance Data
    1. 5.1  Efficiency Versus Load, 10% to 100% Load
    2. 5.2  Efficiency Versus VIN at 100% Load
    3. 5.3  Power Loss Versus Load, 10% to 100% Load
    4. 5.4  Load Regulation, 10% to 100% Load
    5. 5.5  Light Load Regulation, 0-mA to 200-mA Load
    6. 5.6  Line Regulation, Various Loads
    7. 5.7  Startup Waveforms
    8. 5.8  Shutdown Waveforms
    9. 5.9  Output Voltage Ripple
    10. 5.10 Steady State Switching Waveforms
    11. 5.11 Transient Load Waveforms
    12. 5.12 Over Current and Short Circuit Protections
    13. 5.13 Stability Measurements
    14. 5.14 Thermal Measurements
  7. 6Assembly and Printed Circuit Board (PCB)
  8. 7Bill of Materials (BOM)
  9. 8Revision History

2.1 EVM Electrical Performance Specifications

Table 2-1 EVM Electrical Specifications, VIN = 800 Vdc, TA = 25°C (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
INPUT CHARACTERISTICS
VIN

Input voltage range

408001000V

VVDD_ON

VDD start voltage

17.618.820.0V

VVDD_OFF

VDD stop voltage

15.0

15.5

16.0

V

IIN_FL

Input current at full load

VIN = 1000 V, IOUT = 2.7 A

-

52

-

mA

VIN = 40 V, IOUT = 1.3 A

-

590

-

IIN_NL

Input current at no load

VIN = 1000 V

-

0.8

-

mA

VIN = 40 V

-

13

-

OUTPUT CHARACTERISTICS
100% load output

125 V ≤ VIN ≤ 1000 V

-

15.2

-

V

VOUT50% load output

40 V ≤ VIN ≤ 1000 V

-

15.6

-

10% load output

40 V ≤ VIN ≤ 1000 V

-

16.3

-

No load output

40 V ≤ VIN ≤ 1000 V

-

19.3

-

IOUT

VOUT load current range

125 V ≤ VIN ≤ 1000 V

0

-

2.7

A
40 V ≤ VIN ≤ 125 V

0

-

1.3

VOUT_REG

Load regulation

250 mA ≤ IOUT ≤ 2.7 A

-

±3.5

-

%

0 mA ≤ IOUT ≤ 200 mA

4

-

25

VOUT_RIPPLE

PK-to-PK AC ripple

VIN = 1000 V, IOUT = 2.7 A, 1 MHz BWL

-

400

-

mVPP

VIN = 50 V, IOUT = 1.3 A, 1 MHz BWL

-

280

-

VOUT_SS_DELAY

VIN applied to when VOUT begins rising from 0 V

VIN = 50 V, IOUT = 1.3 A

-

255

-

ms

VIN = 1000 V, IOUT = 2.7 A

-

230

-

VOUT_SS_trise VOUT soft start, rise time

IOUT = 2.7 A

-

10

-

ms

VOUT_SS_OS

VOUT soft start overshoot

VIN = 1000 V, IOUT = 2.7 A

-

3.5

-

%

PMAX

Maximum output power

125 V ≤ VIN ≤ 1000 V

-

-

40

W

40 V ≤ VIN ≤ 125 V

-

-

20

SYSTEMS CHARACTERISTICS
η

Full load efficiency

VIN = 400 V, IOUT = 2.7 A

-

87.4

-

%

VIN = 800 V, IOUT = 2.7 A

-

86.1

-

fSW

Switching frequency

VIN = 800 V, IOUT = 2.7 A

-

42.5

-

kHz

ICS(OCL)

Current sense limit

RCS = 455 mΩ

-

2.2

-

A

fCO

Bandwidth

VIN = 800 V, IOUT = 2.7 A

-

625

-

Hz

VIN = 50 V, IOUT = 0.25 A

-

3950

-

PM

Phase Margin

VIN = 800 V, IOUT = 2.7 A

-

105

-

deg

VIN = 50 V, IOUT = 0.25 A

-

87

-

GM

Gain Margin

VIN = 800 V, IOUT = 2.7 A

-

40

-

dB

VIN = 50 V, IOUT = 0.25 A

-

25

-

ΔTMAX

Max. temp. rise over TPCB

T1 at 800 VIN, IOUT = 2.7 A, 40 W

-

48.9

-

°C

T1 at 1000 VIN, IOUT = 2.7 A, 40 W

-

55.3

-