SNVU753A November   2019  – May 2021 TPS542A52

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Before You Begin
  3. 2Description
    1. 2.1 Typical End-User Applications
    2. 2.2 EVM Features
    3. 2.3 TPS542A52EVM-059 PCB
  4. 3TPS542A52EVM-059 Bottom Circuit
    1. 3.1 Modifications
      1. 3.1.1 Output Voltage Setpoint
      2. 3.1.2 Enable and Undervoltage Lockout
      3. 3.1.3 External Clock Synchronization
      4. 3.1.4 Load Step with Function Generator
    2. 3.2 Bottom Circuit Schematic
    3. 3.3 Test Setup and Results
      1. 3.3.1  Input/Output Connections
      2. 3.3.2  Start Up Procedure
      3. 3.3.3  Electrical Performance Specifications and Results
      4. 3.3.4  Efficiency
      5. 3.3.5  Power Loss
      6. 3.3.6  Load Regulation
      7. 3.3.7  Transient Response
      8. 3.3.8  Loop Response
      9. 3.3.9  Output Voltage Ripple
      10. 3.3.10 Thermal Data
  5. 4TPS542A52EVM-059 Top Circuit (Small Layout Area Design)
    1. 4.1 Modifications
      1. 4.1.1 Output Voltage Setpoint
      2. 4.1.2 Enable and Undervoltage Lockout
      3. 4.1.3 External Clock Synchronization
      4. 4.1.4 Load Step with Function Generator
    2. 4.2 TPS542A52EVM-059 Top Circuit (Small Layout Area) Schematic
    3. 4.3 Test Setup and Results
      1. 4.3.1  Input/Output Connections
      2. 4.3.2  Start Up Procedure
      3. 4.3.3  Electrical Performance Specifications and Results
      4. 4.3.4  Efficiency
      5. 4.3.5  Power Loss
      6. 4.3.6  Load Regulation
      7. 4.3.7  Line Regulation
      8. 4.3.8  Transient Response
      9. 4.3.9  Loop Response
      10. 4.3.10 Output Voltage Ripple
      11. 4.3.11 Start Up
  6. 5TPS542A52EVM-059 PCB Layout
  7. 6List of Materials
  8. 7Revision History

4.3.3 Electrical Performance Specifications and Results

The typical electrical perfomance specifications of the TPS542A52EVM top circuit are shown in Table 4-3. Unless stated otherwise, the measurements were taken with the converter operating in FCCM and TAMB = 25°C.
Table 4-3 Top Circuit Electrical Performance Specifications
PARAMETERTEST CONDITIONSMINTYPMAXUNITS
VIN voltage range51214V
IIN input currentVIN = 12 V, IO = 0 A35mA
VIN = 12 V, IO = 12 A1190
Output voltage1V
Output current range012A
Load regulationVIN = 12 V, IO = 0 A to 12 A,-0.2

+0.2

%
Line regulationVIN = 5 V to 14 V, IOUT = 0 A-0.2+0.2

%

VIN = 5 V to 14 V, IOUT = 12 A-0.2

+0.2

%

ΔVOUT, total overshoot/undershootVIN = 12 V, IO = 5-A to 10-A to 5-A load step @ 5A/μs62.1mV
Loop bandwidthVIN = 12 V, IO = 10 A105kHz
Phase margin52

°

Output voltage rippleVIN = 12 V, IO = 0 A

11.6

mV
VIN = 12 V, IO = 12 A

14.4

mV
Switching frequencyFCCM1200kHz