SLVU358A February   2010  – January 2022 TPS51513

 

  1.   Trademarks
  2. 1 Description
    1. 1.1 Typical Application
    2. 1.2 Features
  3. 2 Electrical Performance Specifications
  4. 3 Schematic
  5. 4 Test Setup
    1. 4.1 Test Equipment
    2. 4.2 Recommended Test Setup
  6. 5 Configuration
    1. 5.1 Current Limit Trip Selection (J8: Trip Select)
    2. 5.2 Frequency Selection (J7: TON Select)
    3. 5.3 Overshoot Reduction Selection (J9: OSRTM Select)
    4. 5.4 VID Bits Selection (S1)
    5. 5.5 Sleep Mode Selection (SLP)
    6. 5.6 1.2-V Output Voltage Option (J10: VOUT selection)
  7. 6 Test Procedure
    1. 6.1 Line/Load Regulation and Efficiency Measurement Procedure
    2. 6.2 List of Test Points
    3. 6.3 Equipment Shutdown
  8. 7 Performance Data and Typical Characteristic Curves
    1. 7.1  Efficiency
    2. 7.2  Load Regulation
    3. 7.3  Line Regulation
    4. 7.4  Current Monitor Voltage
    5. 7.5  Output Ripple
    6. 7.6  Switching Node
    7. 7.7  Output Transient
    8. 7.8  Turn-On Waveform
    9. 7.9  Turn-Off Waveform
    10. 7.10 Bode Plot
  9. 8 EVM Assembly Drawing and PCB Layout
  10. 9 Bill of Materials
  11. 10Revision History

5.2 Frequency Selection (J7: TON Select)

The operating frequency can be set by J7 TON Select (TONSEL).

Default setting is 300 kHz.

Table 5-2 Frequency Selection
Jumper Set toTONSELFrequency (kHz)
Top (1–2 pin shorted)5VFILT500
Second (3–4 pin shorted)3.3VBIAS350
Third (5–6 pin shorted)VREF300
Bottom (7–8 pin shorted)GND250