SLUU232A September   2005  – January 2022 TPS40190

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Description
    2. 1.2 Applications
    3. 1.3 Features
  3. 2TPS40190EVM-001 Electrical Performance Specifications
  4. 3Schematic
    1. 3.1 Adjusting Output Voltage (R1)
    2. 3.2 Adjusting Short Circuit Protection (R6)
    3. 3.3 Disable (TP1 and SW1)
  5. 4Test Setup
    1. 4.1 Equipment
      1. 4.1.1 Voltage Source (V12V_IN)
      2. 4.1.2 Meters
      3. 4.1.3 Loads (LOAD1)
      4. 4.1.4 Oscilloscope
      5. 4.1.5 Recommended Wire Gauge
      6. 4.1.6 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 Control Loop Gain and Phase Measurement Procedure
    5. 4.5 Equipment Shutdown
  6. 5TPS40190EVM 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 TPS40190EVM-001 Electrical Performance Specifications

Table 2-1 TPS40190EVM-001 Electrical and Performance Specifications
Parameter Notes and Conditions Min Typ Max Units
Input Characteristics
Input voltage range 10 14 V
Max input current VIN = 10 V, IOUT = 10 A 2 A
No-load input current VIN = 14 V, IOUT = 0 A 100 mA
Output Characteristics
Output voltage R6 = 6.49 k, R5 = 10 k 1.45 1.50 1.55 V
Output voltage regulation Line regulation (10 V < VIN < 14 V, IOUT = 5 A) 1 %
Load regulation (< 0 A < IOUT < 10 A, VIN = 12 V)
Output voltage ripple VIN = 14 V, IOUT = 10 A 25 50 mVpp
Output load current 0 10 A
Output over current 23 A
System Characteristics
Switching frequency 240 300 360 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