SLVU192B February   2007  – January 2022 TPS40077

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Description
    2. 1.2 Applications
    3. 1.3 Features
  3. 2TPS40077EVM-001 Electrical Performance Specifications
  4. 3Schematic
    1. 3.1 Adjusting Output Voltage (R3 and R13)
    2. 3.2 Disable (J3)
    3. 3.3 Test Set Up
      1. 3.3.1 Equipment
        1. 3.3.1.1 Voltage Source
        2. 3.3.1.2 Meters
        3. 3.3.1.3 Loads
        4. 3.3.1.4 Oscilloscope
        5. 3.3.1.5 Recommended Wire Gauge
    4. 3.4 Equipment Setup
      1. 3.4.1 Procedure
      2. 3.4.2 Diagram
    5. 3.5 Start-Up/Shut Down Procedure
    6. 3.6 Control Loop Gain and Phase Measurement Procedure
    7. 3.7 Equipment Shutdown
  5. 4TPS40077EVM Typical Performance Data and Characteristic Curves
    1. 4.1 Efficiency
    2. 4.2 Line and Load Regulation
    3. 4.3 Output Ripple
    4. 4.4 Transient Response
    5. 4.5 Bode Plot
  6. 5EVM Assembly Drawings and Layout
  7. 6List of Materials
  8. 7Revision History

2 TPS40077EVM-001 Electrical Performance Specifications

Table 2-1 TPS40077EVM-001 Electrical and Performance Specifications
PARAMETER NOTES AND CONDITIONS MIN NOM MAX UNITS
INPUT CHARACTERISTICS
VIN Input voltage 8 12 16 V
IIN Input current VIN = nom, IOUT = max 1.7 1.8 A
No-load input current VIN = nom, IOUT = 0A 80 100 mA
VIN_UVLO Input UVLO IOUT = min to max 5.4 6 6.6 V
VIN_ONV Input ONV IOUT = min to max 6.3 7 7.7 V
OUTPUT CHARACTERISTICS
VOUT Output voltage VIN = nom, IOUT = nom 1.75 1.8 1.85 V
Line regulation VIN = min to max, IOUT = nom 0.5%
Load regulation VIN = nom, IOUT = min to max 0.5%
Output ripple voltage VOUT_ripple VIN = nom, IOUT = max 40 mVpp
Output current IOUT VIN = min to max 0 5 10 A
Output overcurrent inception point IOCP VIN = nom, VOUT = VOUT – 5% 12.25 19.4 34 A
Transient response
ΔI Load step IOUT_max to 0.2 × IOUT _max 8 A
Load slew rate 1 A/μsec
Overshoot 300 mV
Settling time 0.1 msec
SYSTEMS CHARACTERISTICS
fSW Switching frequency 240 300 360 kHz
ηpk Peak efficiency VIN = nom, IOUT = min to max 90%
η Full-load efficiency VIN = nom, IOUT = max 89%
Top Operating temperature range VIN = min to max, IOUT = min to max –40 25 85 °C
MECHANICAL CHARACTERISTICS
W Dimensions (active area) Width 1 ins
L Length 2.4 ins
h Component height 0.41 ins
NOTE 1: Voltage accuracy effected by resistor tolerance.