SLVUCC3 January   2022 TPS629203

 

  1.   Trademarks
  2. 1Introduction
  3. 2Performance Specification
  4. 3EVM Configuration and Modification
    1. 3.1 Input and Output Capacitors
    2. 3.2 Configurable Enable Threshold Voltage
    3. 3.3 MODE/S-CONF Setting
    4. 3.4 Power Good
    5. 3.5 Power Good Pullup Voltage
    6. 3.6 Feedforward Capacitor Option
    7. 3.7 Output Voltage Setting
    8. 3.8 Loop Response Measurement
  5. 4EVM Test Setup
    1. 4.1 Input and Output Connectors
    2. 4.2 Jumper Configuration
      1. 4.2.1 JP1 Enable
      2. 4.2.2 JP2 MODE/S-CONF
      3. 4.2.3 JP3 Power Good
      4. 4.2.4 JP4 PG Pullup Voltage
  6. 5Test Results
  7. 6Board Layout
  8. 7Schematic and Bill of Materials
    1. 7.1 Schematic
    2. 7.2 Bill of Materials
  9. 8References

2 Performance Specification

Table 2-1 provides a summary of the TPS629203EVM performance specifications. All the specifications are given at an ambient temperature of 25°C.

Table 2-1 TPS629203EVM Performance Specification Summary
SpecificationTest ConditionsMINTYPMAXUNIT
Input voltage51217V
Output voltage3.3V
Output current0300mA
Input currentVIN = 12 V, VOUT = 3.3 V, IOUT = 0 A, forced PWM, 2.5 MHz, 3.3-μH inductor5.7mA
VIN = 12 V, VOUT = 3.3 V, IOUT = 300 mA, forced PWM, 2.5 MHz, 3.3-μH inductor0.0928A
Switching frequencySet by the Mode/S-CONF pin2.5MHz
Line regulationVIN = 5 V–17 V, VOUT= 3.3 V, IOUT = 0 A and 300 mA, forced PWM, 2.5/1 MHz, VSET, 3.3-μH inductor+0.5%, –0.2%
Load regulationVIN = 12 V, VOUT = 3.3 V, IOUT = 0 A–300 mA, forced PWM and auto PFM/PWM with AEE, 2.5/1 MHz, VSET, 3.3-μH inductor+0.7%, –0.2%
Output rippleVIN = 12 V, VOUT = 3.3 V, IOUT = 300 mA, forced PWM, 2.5 MHz, 3.3-μH inductor10mV
Peak efficiencyVIN = 12 V, VOUT = 3.3 V, IOUT = 0 A–300 mA, forced PWM, 2.5 MHz, 3.3-μH inductor89.74%
VIN = 12 V, VOUT = 3.3 V, IOUT = 0 A–300 mA, auto PFM/PWM with AEE, 2.5 MHz, 3.3-μH inductor90.31%
VIN = 12 V, VOUT = 3.3 V, IOUT = 10 mA, auto PFM/PWM with AEE, 2.5 MHz, 3.3-μH inductor84.66%
Output rise timeVIN = 12 V, VOUT = 3.3 V, IOUT = 300 mA, forced PWM, 2.5 MHz, 3.3-μH inductor500μs
Load transientVIN = 12 V, VOUT = 3.3 V, IOUT = 100 mA–300 mA, slew rate: 1 A/μs, forced PWM, VSET, 2.5 MHz, 3.3-μH inductor±21mV
Loop bandwidthVIN = 12 V, VOUT = 3.3 V, IOUT = 300 mA, forced PWM,VSET,2.5 MHz, 3.3-μH inductor93.9kHz
Phase marginVIN = 12 V, VOUT = 3.3 V, IOUT = 300 mA, forced PWM, VSET, 2.5 MHz, 3.3-μH inductor84.3deg
IC case temperatureVIN = 12 V, VOUT = 3.3 V, IOUT = 300 mA, forced PWM, 2.5 MHz, 3.3-μH inductor, 10 minutes soaking28.8°C