SLUU194A May   2004  – March 2022 TPS51020

 

  1.   Trademarks
  2. 1Introduction
  3. 2Electrical Performance Specifications
    1. 2.1 Performance Specification Summary
  4. 3TPS51020EVM-001 Circuit Module Schematic
  5. 4Test Setup and Results
    1. 4.1 Test Setup
    2. 4.2 Power Up and Power Down
    3. 4.3 Efficiency and Power Loss
    4. 4.4 Output Ripple
    5. 4.5 Load Transient
    6. 4.6 Loop Characteristics
  6. 5Assembly Drawing and PCB Layout
  7. 6Circuit Module List of Materials
  8. 7References
  9. 8Revision History

2.1 Performance Specification Summary

Table 2-1 Performance Specification Summary
SPECIFICATION TEST CONDITIONS MIN TYP MAX UNIT
GENERAL
Input voltage range, VIN (DC) 8 12 20 V
Operating frequency 300 kHz
Input ripple voltage (RMS value) VIN = 12 V, IOUT1 = 6 A, IOUT2 = 6 A 194 mV
CHANNEL1(VO1, GND)
Maximum output current 8 V ≤ VIN ≤ 20 V 6 A
Output voltage 4.85 5.00 5.13 V
Line regulation IOUT1 = 6 A, 8 V ≤ VIN ≤ 20 V 0.1%
Load regulation VIN = 12 V, 0 A ≤ IOUT1 ≤ 6 A 0.1%
Load transient response voltage change IOUT1 rising from 0 A to 5 A 30 mVP−P
IOUT1 falling from 5 A to 0 A 60
Load transient response recovery time IOUT1 rising from 0 A to 5 A 500 ms
IOUT1 falling from 5 A to 0 A 500
Loop bandwidth IOUT1 = 6 A, VIN = 12 V 14 kHz
Phase margin IOUT1 = 6 A, VIN = 12 V 32
Output ripple voltage IOUT1 = 6 A, VIN = 12 V 36 60 mVP−P
Output rise time IOUT1 = 6 A, VIN = 12 V, VO1 = 5 V 4.6 ms
Full load efficiency IOUT1 = 6 A, VO1 = 5 V, IOUT2 = 0 A, VIN = 12 V 93.9%
CHANNEL2(VO2, GND)
Maximum output current 8 V ≤ VIN ≤ 20V 6 A
Output voltage 3.21 3.30 3.38 V
Line regulation IOUT2 = 6 A, 8 V ≤ VIN ≤ 20 V 0.1%
Load regulation VIN = 12 V, 0 A ≤ IOUT2 ≤ 6 A 0.2%
Load transient response voltage change IOUT2 rising from 0 A to 5 A 50 mVP−P
IOUT2 falling from 5 A to 0 A 50
Load transient response recovery time IOUT2 rising from 0 A to 5 A 500 ms
IOUT2 falling from 5 A to 0 A 500
Loop bandwidth IOUT2 = 6 A, VIN = 12 V 15 kHz
Phase margin IOUT2 = 6 A, VIN = 12 V 41
Output ripple voltage IOUT2 = 6 A, VIN = 12 V 34 60 mVP−P
Output rise time IOUT2 = 6 A, VIN = 12 V, VO2 = 3.3 V 4.72 ms
Full load efficiency IOUT1 = 0 A, VO2 = 3.3 V, IOUT2 = 6 A, VIN = 12 V 91.3%