SLVSDS9C July   2018  – October 2019 TPS63805 , TPS63806

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Device Images
      1.      Typical Application
      2.      Efficiency vs Output Current (VO = 3.3 V)
  4. Revision History
  5. Description (continued)
  6. Device Comparison Table
  7. Pin Configuration and Functions
    1.     Pin Functions Table
  8. Specifications
    1. 8.1 Absolute Maximum Ratings
    2. 8.2 ESD Ratings
    3. 8.3 Recommended Operating Conditions
    4. 8.4 Thermal Information
    5. 8.5 Electrical Characteristics
    6. 8.6 Typical Characteristics
  9. Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
      1. 9.3.1  Control Loop Description
      2. 9.3.2  Precise Device Enable: Threshold- or Delayed Enable
      3. 9.3.3  Mode Selection (PFM/PWM)
      4. 9.3.4  Undervoltage Lockout (UVLO)
      5. 9.3.5  Soft-start
      6. 9.3.6  Adjustable Output Voltage
      7. 9.3.7  Overtemperature Protection - Thermal Shutdown
      8. 9.3.8  Input Overvoltage - Reverse-Boost Protection (IVP)
      9. 9.3.9  Output Overvoltage Protection (OVP)
      10. 9.3.10 Power-Good Indicator
    4. 9.4 Device Functional Modes
      1. 9.4.1 Peak-Current Mode Architecture
        1. 9.4.1.1 Reverse Current Operation, Negative Current
        2. 9.4.1.2 Boost Operation
        3. 9.4.1.3 Buck-Boost Operation
        4. 9.4.1.4 Buck Operation
      2. 9.4.2 Power Save Mode Operation
        1. 9.4.2.1 Current Limit Operation
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
        1. 10.2.2.1 Custom Design With WEBENCH® Tools
        2. 10.2.2.2 Inductor Selection
        3. 10.2.2.3 Output Capacitor Selection
        4. 10.2.2.4 Input Capacitor Selection
        5. 10.2.2.5 Setting The Output Voltage
      3. 10.2.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13Device and Documentation Support
    1. 13.1 Device Support
      1. 13.1.1 Third-Party Products Disclaimer
      2. 13.1.2 Custom Design With WEBENCH® Tools
      3. 13.1.3 Development Support
    2. 13.2 Related Links
    3. 13.3 Receiving Notification of Documentation Updates
    4. 13.4 Support Resources
    5. 13.5 Trademarks
    6. 13.6 Electrostatic Discharge Caution
    7. 13.7 Glossary
  14. 14Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Application Curves

Table 8. Components for Application Characteristic Curves (1)

REFERENCE DESCRIPTION PART NUMBER MANUFACTURER COMMENT
L1 0.47µH, 4 mm x 4 mm x 1.5 mm, 5.4 A, 7.6 mΩ XFL4015-471ME Coilcraft
C1 10 µF, 0603, Ceramic Capacitor, ±20%, 6.3 V GRM188R60J106ME84 Murata
C2 TPS63805 1x 22 µF, 0603, Ceramic Capacitor, ±20%, 10 V GRM188R61A226ME15 Murata TPS63805, VO ≤ 3.6 V
C2 TPS63806 2x 47 µF, 0603, Ceramic Capacitor, ±20%, 6.3 V GRM188R60J476ME15 Murata TPS63806, VO ≤ 3.6 V
C2 TPS63805 2x 22 µF, 0603, Ceramic Capacitor, ±20%, 10 V GRM188R61A226ME15 Murata TPS63805, VO > 3.6 V
C2 TPS63806 3x 47 µF, 0603, Ceramic Capacitor, ±20%, 6.3 V GRM188R60J476ME15 Murata TPS63806, VO > 3.6 V
R1 511 kΩ, 0603 Resistor, 1%, 100 mW Standard Standard VO = 3.3 V
R1 562 kΩ, 0603 Resistor, 1%, 100 mW Standard Standard VO = 3.6 V
R1 806 kΩ, 0603 Resistor, 1%, 100 mW Standard Standard VO = 5 V
R2 91 kΩ, 0603 Resistor, 1%, 100 mW Standard Standard
R3 100 kΩ, 0603 Resistor, 1%, 100 mW Standard Standard

Table 9. Typical Characteristics Curves

PARAMETER CONDITIONS FIGURE
Output Current Capability
Typical Output Current Capability versus Input Voltage VO = 3.3 V, TPS63805 Figure 16
Typical Output Current Capability versus Input Voltage VO = 3.3 V, TPS63806 Figure 17
Switching Frequency(TPS63805, TPS63806)
Typical Inductor Switching Frequency versus Input Voltage IO = 0 A, MODE = High Figure 18
Typical Inductor Burst Frequency versus Output Current VO = 3.3 V Figure 19
Efficiency(TPS63805)
Efficiency versus Output Current (PFM/PWM) VI = 2.5 V to 4.2 V, VO = 3.3 V, MODE = Low Figure 20
Efficiency versus Output Current (PWM only) VI = 2.5 V to 4.2 V, VO = 3.3 V, MODE = High Figure 21
Efficiency versus Output Current (PFM/PWM) VI = 1.8 V to 5 V, VO = 3.3 V, MODE = Low Figure 22
Efficiency versus Output Current (PWM only) VI = 1.8 V to 5 V, VO = 3.3 V, MODE = High Figure 23
Efficiency versus. Input Voltage (PFM/PWM) VO = 3.3 V, MODE = Low Figure 24
Efficiency versus Input Voltage (PWM only) IO = 1 A, MODE = High Figure 25
Efficiency(TPS63806)
Efficiency versus Output Current (PFM/PWM) VI = 2.5 V to 4.2, VO = 3.3 V, MODE = Low Figure 26
Efficiency versus Output Current (PWM only) VI = 2.5 V to 4.2 , VO = 3.3 V, MODE = High Figure 27
Efficiency versus Output Current (PFM/PWM) VI = 1.8 V to 5, VO = 3.3 V, MODE = Low Figure 28
Efficiency versus Output Current (PWM only) VI = 2.5 V to 5, VO = 3.3 V, MODE = High Figure 31
Efficiency versus Input Voltage (PFM/PWM) VO = 3.3 V, MODE = Low Figure 30
Efficiency versus Input Voltage (PWM only) IO = 1 A, MODE = High Figure 31
Regulation Accuracy(TPS63805)
Load Regulation, PWM Operation VO = 3.3 V, MODE = High Figure 32
Load Regulation, PFM/PWM Operation VO = 3.3 V, MODE = Low Figure 33
Line Regulation, PWM Operation IO = 1 A, MODE = High Figure 34
Line Regulation, PFM/PWM Operation IO = 1 A, MODE = Low Figure 35
Regulation Accuracy(TPS63806)
Load Regulation, PWM Operation VO = 3.3 V, MODE = High Figure 36
Load Regulation, PFM/PWM Operation VO = 3.3 V, MODE = Low Figure 37
Line Regulation, PWM Operation IO = 1 A, MODE = High Figure 38
Line Regulation, PFM/PWM Operation IO = 1 A, MODE = Low Figure 39
Switching Waveforms(TPS63805, TPS63806)
Switching Waveforms, PFM Boost Operation VI = 2.3 V, VO = 3.3 V, MODE = Low Figure 40
Switching Waveforms, PFM Buck-Boost Operation VI = 3.3 V, VO = 3.3 V, MODE = Low Figure 41
Switching Waveforms, PFM Buck Operation VI = 4.3 V, VO = 3.3 V, MODE = Low Figure 42
Switching Waveforms, PWM Boost Operation VI = 2.3 V, VO = 3.3 V, MODE = High Figure 43
Switching Waveforms, PWM Buck-Boost Operation VI = 3.3 V, VO = 3.3 V, MODE = High Figure 44
Switching Waveforms, PWM Buck Operation VI = 4.3 V, VO = 3.3 V, MODE = High Figure 45
Transient Performance(TPS63805)
Load Transient, PFM/PWM Boost Operation VI = 2.5 V, VO = 3.3 V, Load = 100 mA to 1A, MODE = Low Figure 46
Load Transient, PFM/PWM Buck-Boost Operation VI = 3.3 V, VO = 3.3 V, Load = 100 mA to 1A, MODE = Low Figure 47
Load Transient, PFM/PWM Buck Operation VI = 4.2 V, VO = 3.3V, Load = 100 mA to 1A, MODE = Low Figure 48
Load Transient, PWM Boost Operation VI = 2.5 V, VO = 3.3 V, Load = 100 mA to 1A, MODE = High Figure 49
Load Transient, PWM Buck-Boost Operation VI = 3.3 V, VO = 3.3 V, Load = 100 mA to 1A, MODE = High Figure 50
Load Transient, PWM Buck Operation VI = 4.2 V, VO = 3.3 V, Load = 100 mA to 1A, MODE = High Figure 51
Line Transient, PWM Operation VI = 2.3 V to 4.3 V, VO = 3.3 V, Load = 0.5 A , MODE = Low Figure 52
Line Transient, PWM Operation VI = 2.3 V to 4.3 V, VO = 3.3 V, Load = 1 A , MODE = Low Figure 53
Line Transient, PWM Operation VI = 3 V to 3.6 V, VO = 3.3 V, Load = 0.5 A , MODE = Low Figure 54
Transient Performance(TPS63806)
Load Transient, PFM/PWM Boost Operation VI = 2.3 V, VO = 3.3 V, Load = 25% to 75%, MODE = Low Figure 55
Load Transient, PFM/PWM Buck-Boost Operation VI = 3.3 V, VO = 3.3 V, Load = 25% to 75%, MODE = Low Figure 56
Load Transient, PFM/PWM Buck Operation VI = 4.3 V, VO = 3.3 V, Load = 25% to 75%, MODE = Low Figure 57
Load Transient, PWM Boost Operation VI = 2.3 V, VO = 3.3 V, Load = 25% to 75%, MODE = High Figure 58
Load Transient, PWM Buck-Boost Operation VI = 3.3 V, VO = 3.3 V, Load = 25% to 75%, MODE = High Figure 59
Load Transient, PWM Buck Operation VI = 4.3 V, VO = 3.3 V, Load = 25% to 75%, MODE = High Figure 60
Line Transient, PWM Operation VI = 2.3 V to 4.3 V, VO = 3.3 V, Load = 0.5 A , MODE = Low Figure 61
Line Transient, PWM Operation VI = 2.3 V to 4.3 V, VO = 3.3 V, Load = 1 A , MODE = Low Figure 62
Line Transient, PWM Operation VI = 3 V to 3.6 V, VO = 3.3 V, Load = 0.5 A , MODE = Low Figure 63
Pulsed load, PWM Operation VI = 2.8 V, VO = 3.3 V, Load = 50 mA to 5 A, with 1 MHz and 50% duty cycle, tr = 120 ns, tf = 60 ns, MODE = High Figure 64
Pulsed load, PWM Operation VI = 3.3 V, VO = 3.3 V, Load = 50 mA to 5 A, with 1 MHz and 50% duty cycle, tr = 120 ns, tf = 60 ns, MODE = High Figure 65
Pulsed load, PWM Operation VI = 4.2 V, VO = 3.3 V, Load = 50 mA to 5 A, with 1 MHz and 50% duty cycle, tr = 120 ns tf = 60 ns, MODE = High Figure 66
Start-up(TPS63805, TPS63806)
Start-up Behavior from Rising Enable, PFM Operation VI = 2.2 V, VO = 3.3 V, Load = 10 mA, MODE = Low Figure 67
Start-up Behavior from Rising Enable, PWM Operation VI = 2.2 V, VO = 3.3 V, Load = 10 mA, MODE = High Figure 68
TPS63805 TPS63806 D002-TPS63805-IOMAX-SLVSDS9.gif
MODE = High TPS63805
Figure 16. Typical Output Current Capability versus Input Voltage
TPS63805 TPS63806 D007-TPS6380x-FSW-SLVSDS9.gif
I O = 0 A MODE = High VI rising
Figure 18. Typical Inductor Switching Frequency versus Input Voltage
TPS63805 TPS63806 D019-TPS63805-EFF-IO-PFM-LIPO-SLVSDS9.gif
VO = 3.3 V MODE = High TPS63805
Figure 20. Efficiency versus Output Current (PFM/PWM)
TPS63805 TPS63806 D021-TPS63805-EFF-IO-PFM-SLVSDS9.gif
VO = 3.3 V MODE = High TPS63805
Figure 22. Efficiency versus Output Current (PFM/PWM)
TPS63805 TPS63806 D023-TPS63805-EFF-VI-PFM-LIPO-SLVSDS9.gif
VO = 3.3 V MODE = High TPS63805
Figure 24. Efficiency versus Input Voltage (PFM/PWM)
TPS63805 TPS63806 D008-TPS63806-EFF-IO-PFM-LIPO-SLVSDS9.gif
VO = 3.3 V MODE = High TPS63806
Figure 26. Efficiency versus Output Current (PFM/PWM)
TPS63805 TPS63806 D009-TPS63806-EFF-IO-PFM-SLVSDS9.gif
VO = 3.3 V MODE = High TPS63806
Figure 28. Efficiency versus Output Current (PFM/PWM)
TPS63805 TPS63806 D011-TPS63806-EFF-VI-PFM-LIPO-SLVSDS9.gif
VO = 3.3 V MODE = High TPS63806
Figure 30. Efficiency versus Input Voltage (PFM/PWM)
TPS63805 TPS63806 D026-TPS63805-LOADREG-IO-fPWM-SLVSDS9.gif
VO = 3.3 V MODE = High TPS63805
Figure 32. Load Regulation (PWM Only)
TPS63805 TPS63806 D028-TPS63805-LOADREG-VI-PWM-SLVSDS9.gif
IO = 1 A MODE = Low TPS63805
Figure 34. Line Regulation (PWM Only)
TPS63805 TPS63806 D014-TPS63806-LOADREG-IO-fPWM-SLVSDS9.gif
VO = 3.3 V MODE = High TPS63806
Figure 36. Load Regulation (PWM Only)
TPS63805 TPS63806 D016-TPS63806-LOADREG-VI-fPWM-SLVSDS9.gif
IO = 1 A MODE = Low TPS63806
Figure 38. Line Regulation (PWM Only)
TPS63805 TPS63806 TPS63806_PFM_40mA_Vi2p3V_switchingwaveform.png
VI = 2.3 V,
VO = 3.3 V
MODE = Low IO = 40 mA
Figure 40. Switching Waveforms, PFM Boost Operation
TPS63805 TPS63806 TPS63806_PFM_40mA_Vi4p2V_switchingwaveform.png
VI = 4.2 V,
VO = 3.3 V
MODE = Low IO = 40 mA
Figure 42. Switching Waveforms, PFM Buck Operation
TPS63805 TPS63806 TPS63806_PWM_2A_Vi3p3V_switchingwaveform.png
VI = 3.3 V,
VO = 3.3 V
MODE = Low IO = 2 A
Figure 44. Switching Waveforms, PWM Buck-Boost Operation
TPS63805 TPS63806 TPS63805_LoT_trtf-1us_PFM_100mA-1A_Vi2p5V_extraCIN.png
VI = 2.5 V,
VO = 3.3 V
IO from 100 mA to 1 A
tr = 1 µs, tf = 1 µs
TPS63805
MODE = Low
Figure 46. Load Transient, PFM/PWM Boost Operation
TPS63805 TPS63806 TPS63805_LoT_trtf-1us_PFM_100mA-1A_Vi5p0V_extraCIN.png
VI = 5 V,
VO = 3.3 V
IO from 100 mA to 1 A
tr = 1 µs, tf = 1 µs
TPS63805
MODE = Low
Figure 48. Load Transient, PFM/PWM Buck Operation
TPS63805 TPS63806 TPS63805_LoT_trtf-1us_PWM_100mA-1A_Vi3p3V_extraCIN.png
VI = 3.3 V,
VO = 3.3 V
IO from 100 mA to 1 A
tr = 1 µs, tf = 1 µs
TPS63805
MODE = High
Figure 50. Load Transient, PWM Buck-Boost Operation
TPS63805 TPS63806 TPS63805_LiT_trtf-1us_PWM_0p5A_Vi2p2toVi4p2.png
IO = 0.5 A VI from 2.2 V to 4.2 V
tr =1 µs, tf = 1 µs
TPS63805
MODE = High
Figure 52. Line Transient, PWM Operation
TPS63805 TPS63806 TPS63805_LiT_trtf-1us_PWM_0p5A_Vi3p0toVi3p6.png
IO = 0.5 A VI from 3 V to 3.6 V
tr = 1 µs, tf = 1 µs
TPS63805
MODE = High
Figure 54. Line Transient, PWM Operation
TPS63805 TPS63806 TPS63806_LoT_trtf-1us_PFM_100mA-2A_Vi3p3V_extraCIN.png
VI = 3.3 V,
VO = 3.3 V
IO from 100 mA to 2 A
tr = 1 µs, tf = 1 µs
TPS63806
MODE = Low
Figure 56. Load Transient, PFM/PWM Buck-Boost Operation
TPS63805 TPS63806 TPS63806_LoT_trtf-1us_PWM_100mA-2A_Vi2p8V_extraCIN.png
VI = 2.8 V,
VO = 3.3 V
IO from 100 mA to 2 A
tr = 1 µs, tf = 1 µs
TPS63806
MODE = High
Figure 58. Load Transient, PWM Boost Operation
TPS63805 TPS63806 TPS63806_LoT_trtf-1us_PWM_100mA-2A_Vi4p2V_extraCIN.png
VI = 4.2 V,
VO = 3.3 V
IO 100 mA to 2 A
tr = tf = 1 µs
TPS63806
MODE = High
Figure 60. Load Transient, PWM Buck Operation
TPS63805 TPS63806 TPS63806_LiT_trtf-1us_PWM_2A_Vi2p8toVi4p2.png
IO = 2 A VI 2.2 V to 4.2 V
tr = tf = 1 µs
TPS63806
MODE = High
Figure 62. Line Transient, PWM Operation
TPS63805 TPS63806 TPS63806_TOF_1MHz_PWM_50mA-5A_Vi2p8V_2shot_extraCIN.png
VI = 2.8 V,
VO = 3.3 V
IO 50 mA to 5 A with 1 MHz and 50% duty cycle tr = 120 ns, tf = 60 ns TPS63806
MODE = High
Figure 64. Pulsed Load, PWM Operation
TPS63805 TPS63806 TPS63806_TOF_1MHz_PWM_50mA-5A_Vi4p2V_2shot_extraCIN.png
VI = 4.2 V,
VO = 3.3 V
IO 50 mA to 5 A with 1 MHz and 50% duty cycle tr = 120 ns, tf = 60 ns TPS63806
MODE = High
Figure 66. Pulsed Load, PWM Operation
TPS63805 TPS63806 TPS63806_PWM_Startup_100ohm_Vi4p2V.png
VI = 4.2 V,
VO = 3.3 V
MODE = High 100 mΩ resistive load
Figure 68. Start-up Behavior from Rising Enable, PWM Operation
TPS63805 TPS63806 D003-TPS63806-IOMAX-SLVSDS9.gif
MODE = High TPS63806
Figure 17. Typical Output Current Capability versus Input Voltage
TPS63805 TPS63806 D018-TPS63806-PFM-Burst-FREQ-SLVSDS9.gif
VO = 3.6 V MODE = Low
Figure 19. Typical Inductor Burst Frequency versus Output Current
TPS63805 TPS63806 D020-TPS63805-EFF-IO-fPWM-LIPO-SLVSDS9.gif
VO = 3.3 V MODE = Low TPS63805
Figure 21. Efficiency versus Output Current (PWM Only)
TPS63805 TPS63806 D022-TPS63805-EFF-IO-fPWM-SLVSDS9.gif
VO = 3.3 V MODE = Low TPS63805
Figure 23. Efficiency versus Input Voltage (PWM Only)
TPS63805 TPS63806 D024-TPS63805-EFF-VI-fPWM-SLVSDS9.gif
IO = 1 A MODE = Low TPS63805
Figure 25. Efficiency versus Input Voltage (PWM Only)
TPS63805 TPS63806 D013-TPS63806-EFF-IO-fPWM-LIPO-SLVSDS9.gif
VO = 3.3 V MODE = Low TPS63806
Figure 27. Efficiency versus Output Current (PWM Only)
TPS63805 TPS63806 D010-TPS63806-EFF-IO-fPWM-SLVSDS9.gif
VO = 3.3 V MODE = Low TPS63806
Figure 29. Efficiency versus Input Voltage (PWM Only)
TPS63805 TPS63806 D012-TPS63806-EFF-VI-fPWM-SLVSDS9.gif
IO = 1 A MODE = Low TPS63806
Figure 31. Efficiency versus Input Voltage (PWM Only)
TPS63805 TPS63806 D027-TPS63805-LOADREG-IO-PFM-SLVSDS9.gif
VO = 3.3 V MODE = Low TPS63805
Figure 33. Load Regulation (PFM/PWM)
TPS63805 TPS63806 D029-TPS63805-LOADREG-VI-PFM-SLVSDS9.gif
IO = 1 A MODE = High TPS63805
Figure 35. Line Regulation (PFM/PWM)
TPS63805 TPS63806 D015-TPS63806-LOADREG-IO-PFM-SLVSDS9.gif
VO = 3.3 V MODE = Low TPS63806
Figure 37. Load Regulation (PFM/PWM)
TPS63805 TPS63806 D017-TPS63806-LOADREG-VI-PWM-SLVSDS9.gif
IO = 1 A MODE = High TPS63806
Figure 39. Line Regulation (PFM/PWM)
TPS63805 TPS63806 TPS63806_PFM_40mA_Vi3p3V_switchingwaveform.png
VI = 3.3 V,
VO = 3.3 V
MODE = Low IO = 40 mA
Figure 41. Switching Waveforms, PFM Buck-Boost Operation
TPS63805 TPS63806 TPS63806_PWM_2A_Vi2p3V_switchingwaveform.png
VI = 2.3 V,
VO = 3.3 V
MODE = Low IO = 2 A
Figure 43. Switching Waveforms, PWM Boost Operation
TPS63805 TPS63806 TPS63806_PWM_2A_Vi4p2V_switchingwaveform.png
VI = 4.2 V,
VO = 3.3 V
MODE = Low IO = 2 A
Figure 45. Switching Waveforms, PWM Buck Operation
TPS63805 TPS63806 TPS63805_LoT_trtf-1us_PFM_100mA-1A_Vi3p3V_extraCIN.png
VI = 3.3 V,
VO = 3.3 V
IO from 100 mA to 1 A
tr = 1 µs, tf = 1 µs
TPS63805
MODE = Low
Figure 47. Load Transient, PFM/PWM Buck-Boost Operation
TPS63805 TPS63806 TPS63805_LoT_trtf-1us_PWM_100mA-1A_Vi2p5V_extraCIN.png
VI = 2.5 V,
VO = 3.3 V
IO from 100 mA to 1 A
tr = 1 µs, tf = 1 µs
TPS63805
MODE = High
Figure 49. Load Transient, PWM Boost Operation
TPS63805 TPS63806 TPS63805_LoT_trtf-1us_PWM_100mA-1A_Vi5p0V_extraCIN.png
VI = 5 V,
VO = 3.3 V
IO from 100 mA to 1 A
tr = 1 µs, tf = 1 µs
TPS63805
MODE = High
Figure 51. Load Transient, PWM Buck Operation
TPS63805 TPS63806 TPS63805_LiT_trtf-1us_PWM_1A_Vi2p2toVi4p2.png
IO = 1 A VI from 2.2 V to 4.2 V
tr = 1 µs, tf = 1 µs
TPS63805
MODE = High
Figure 53. Line Transient, PWM Operation
TPS63805 TPS63806 TPS63806_LoT_trtf-1us_PFM_100mA-2A_Vi2p8V_extraCIN.png
VI = 2.8 V,
VO = 3.3 V
IO from 100 mA to 2 A
tr = 1 µs, tf = 1 µs
TPS63806
MODE = Low
Figure 55. Load Transient, PFM/PWM Boost Operation
TPS63805 TPS63806 TPS63806_LoT_trtf-1us_PFM_100mA-2A_Vi4p2V_extraCIN.png
VI = 4.2 V,
VO = 3.3 V
IO from 100 mA to 2 A
tr = 1 µs, tf = 1 µs
TPS63806
MODE = Low
Figure 57. Load Transient, PFM/PWM Buck Operation
TPS63805 TPS63806 TPS63806_LoT_trtf-1us_PWM_100mA-2A_Vi3p3V_extraCIN.png
VI = 3.3 V,
VO = 3.3 V
IO 100 mA to 2 A
tr = tf = 1 µs
TPS63806
MODE = High
Figure 59. Load Transient, PWM Buck-Boost Operation
TPS63805 TPS63806 TPS63806_LiT_trtf-1us_PWM_1A_Vi2p2toVi4p2.png
IO = 1 A VI 2.2 V to 4.2 V
tr = tf = 1 µs
TPS63806
MODE = High
Figure 61. Line Transient, PWM Operation
TPS63805 TPS63806 TPS63806_LiT_trtf-1us_PWM_1A_Vi3p0toVi3p6.png
IO = 1 A VI 3.0 V to 3.6 V
tr = tf = 1 µs
TPS63806
MODE = High
Figure 63. Line Transient, PWM Operation
TPS63805 TPS63806 TPS63806_TOF_1MHz_PWM_50mA-5A_Vi3p3V_2shot_extraCIN.png
VI = 3.3 V,
VO = 3.3 V
IO 50 mA to 5 A with 1 MHz and 50% duty cycle tr = 120 ns, tf = 60 ns TPS63806
MODE = High
Figure 65. Pulsed Load, PWM Operation
TPS63805 TPS63806 TPS63806_PFM_Startup_100ohm_Vi4p2V.png
VI = 4.2 V,
VO = 3.3 V
MODE = Low 100 mΩ resistive load
Figure 67. Start-up Behavior from Rising Enable, PFM Operation