SLUU231A June   2006  – January 2022 TPS40074

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Description
    2. 1.2 Applications
    3. 1.3 Features
  3. 2TPS40074EVM-001 Electrical Performance Specifications
  4. 3Schematic
    1. 3.1 Adjusting Output Voltage (R5 and R6)
    2. 3.2 Using Remote Sense (J3)
    3. 3.3 5V Input Operation (R10 and R15)
  5. 4Test Setup
    1. 4.1 Equipment
      1. 4.1.1 Voltage Source
      2. 4.1.2 Meters
      3. 4.1.3 Loads
      4. 4.1.4 Recommended Wire Gauge
      5. 4.1.5 Other
    2. 4.2 Equipment Setup
      1. 4.2.1 Procedure
      2. 4.2.2 Diagram
    3. 4.3 Start-Up/Shutdown Procedure
    4. 4.4 Equipment Shutdown
  6. 5TPS40074EVM Typical Performance Data and Characteristic Curves
    1. 5.1 Efficiency
    2. 5.2 Line and Load Regulation
  7. 6EVM Assembly Drawings and Layout
  8. 7List of Materials
  9. 8Revision History

2 TPS40074EVM-001 Electrical Performance Specifications

Table 2-1 TPS40074EVM-001 Electrical and Performance Specifications
PARAMETER NOTES AND CONDITIONS MIN TYP MAX UNIT
INPUT CHARACTERISTICS
Input voltage range 10 14 V
Max input current VIN = 10 V, IOUT = 15 A 2.75 A
No-load input current VIN = 14 V, IOUT = 0 A 45 mA
OUTPUT CHARACTERISTICS
Output voltage R6 = 9.53 k, R5 = 105 k 1.45 1.50 1.55 V
Output voltage regulation Line regulation (10 V < VIN < 14 V, IOUT = 5 A) 1%
Load regulation (10 V < IOUT < 15 A, VIN = 12 V) 1%
Output voltage ripple VIN = 14 V, IOUT = 15 A 25 50 mVpp
Output load current 0 15 A
Output over current 23 A
SYSTEM CHARACTERISTICS
Switching frequency 360 400 440 kHz
Peak efficiency VOUT = 1.5 V, 8 A < IOUT < 12 A V12V_IN = 10 V 87%
V12V_IN = 12 V 85%
V12V_IN = 14 V 83%
Full load efficiency VOUT = 1.5 V, IOUT = 15 A V12V_IN = 10 V 84%
V12V_IN = 12 V 83%
V12V_IN = 14 V 81%