SLVSET3D March   2020  – October 2020 TPS63900

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Trapezoidal Current Control
      2. 7.3.2 Device Enable / Disable
      3. 7.3.3 Soft Start
      4. 7.3.4 Input Current Limit
      5. 7.3.5 Dynamic Voltage Scaling
      6. 7.3.6 Device Configuration (Resistor-to-Digital Interface)
      7. 7.3.7 SEL Pin
      8. 7.3.8 Short-Circuit Protection
        1. 7.3.8.1 Current Limit Setting = 'Unlimited'
        2. 7.3.8.2 Current Limit Setting = 1 mA to 100 mA
      9. 7.3.9 Thermal Shutdown
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Custom Design with WEBENCH Tools
        2. 8.2.2.2 Inductor Selection
        3. 8.2.2.3 Output Capacitor Selection
        4. 8.2.2.4 Input Capacitor Selection
        5. 8.2.2.5 Setting The Output Voltage
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Support Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

8.2.3 Application Curves

Table 8-5 Components for Application Characteristic Curves for VOUT = 3.3 V
REFERENCE(1) DESCRIPTION(2) PART NUMBER MANUFACTURER
U1 400-mA ultra low Iq Buck-Boost Converter (2.5 mm x 2.5 mm QFN) TPS63900DSK Texas Instruments
L1 2.2 µH, 2.5 mm x 2 mm x 1.2 mm, 3.3 A, 82 mΩ DFE252012F-2R2M Murata
C1 10 µF, 0603, Ceramic Capacitor, ±20%, 6.3 V GRM188R60J106ME47 Murata
C2 22 µF, 0603, Ceramic Capacitor, ±20%, 6.3 V GRM187R60J226ME15 Murata
CFG1 36.5 kΩ, 0603 Resistor, 1%, 100 mW Standard Standard
CFG2 0 Ω, 0603 Resistor, 1%, 100 mW Standard Standard
CFG3 0 Ω, 0603 Resistor, 1%, 100 mW Standard Standard
(2) For other output voltages, refer to Table 8-1 for resistor values.
Table 8-6 Typical Characteristics Curves
PARAMETER CONDITIONS FIGURE
Output Current Capability
Typical Output Current Capability versus Input Voltage VO = 1.8 V to 5.0 V Figure 8-2
Switching Frequency
Typical Burst Switching Frequency versus Output Current VI = 3.3 V, VO = 1.8 V to 5.0 V Figure 8-3
Typical Burst Switching Frequency versus Output Current VI = 2.0 V, VO = 1.8 V to 5.0 V Figure 8-4
Typical Burst Switching Frequency versus Output Current VI = 5.2 V, VO = 1.8 V to 5.0 V Figure 8-5
Efficiency
Efficiency versus Output Current VI = 1.8 V to 5.5 V, VO = 1.8 V Figure 8-6
Efficiency versus Output Current VI = 1.8 V to 5.5 V, VO = 3.3 V Figure 8-7
Efficiency versus Output Current VI = 1.8 V to 5.5 V, VO = 5.0 V Figure 8-8
Efficiency versus Input Voltage IO = 1 μA to 400 mA, VO = 3.3 V Figure 8-9
Switching Waveforms
Switching Waveforms, Boost Operation VI = 1.8 V, VO = 3.3 V Figure 8-10
Switching Waveforms, Boost Operation VI = 2.8 V, VO = 3.3 V Figure 8-11
Switching Waveforms, Buck-Boost Operation VI = 3.3 V, VO = 3.3 V Figure 8-12
Switching Waveforms, Buck Operation VI = 4.0 V, VO = 3.3 V Figure 8-13
Output Voltage Ripple
Output Voltage Ripple VI = 2.0 V, VO = 1.8 V to 5.0 V Figure 8-14
Output Voltage Ripple VI = 3.3 V, VO = 1.8 V to 5.0 V Figure 8-15
Output Voltage Ripple VI = 5.2 V, VO = 1.8 V to 5.0 V Figure 8-16
Output Voltage Ripple over Temperature VI = 3.3 V, VO = 3.6 V Figure 8-17
Regulation Accuracy
Load Regulation VO = 3.3 V Figure 8-18
Line Regulation VI = 1.8 V to 5.0 V, Load = 1 mA Figure 8-19
Transient Performance
Line Transient, Light Load VI = 2.5 V to 4.2 V, VO = 3.3 V, Load = 1 mA Figure 8-20
Line Transient, High Load VI = 2.5 V to 4.2 V, VO = 3.3 V, Load = 100 mA Figure 8-21
Load Transient, 100 mA Step VI = 1.8 V, VO = 3.3 V, Load = 0 mA to 100 mA Figure 8-22
Load Transient, 100 mA Step VI = 3.3 V, VO = 3.3 V, Load = 0 mA to 100 mA Figure 8-23
Load Transient, 100 mA Step VI = 1.8 V, VO = 3.3 V, Load = 0 mA to 100 mA Figure 8-24
Load Transient, 300 mA Step VI = 3.3 V, VO = 1.8 V, Load = 0 mA to 300 mA Figure 8-25
Load Transient, 300 mA Step VI = 3.3 V, VO = 3.3 V, Load = 0 mA to 300 mA Figure 8-26
Load Transient, 300 mA Step VI = 5.5 V, VO = 3.3 V, Load = 0 mA to 300 mA Figure 8-27
Start-up
Start-up Behavior from Rising Enable VI = 3.3 V, VO = 3.3 V, Load = 100 mA Figure 8-28
Start-up Behavior from Rising Enable VI = 1.8 V, VO = 1.8 V, Load = 10 μA Figure 8-29
Start-up Behavior from Rising Enable VI = 1.8 V, VO = 5.0 V, Load = 10 μA Figure 8-30
Start-up Behavior from Rising Enable VI = 1.8 V, VO = 5.0 V, Load = 1000 μF Figure 8-31
ICL (Input Current Limit)
Start-up with 1 mA ICL VI = 3.3 V, VO = 3.3 V, CO = 300 μF Figure 8-32
Start-up with 2.5 mA ICL VI = 3.3 V, VO = 3.3 V, CO = 300 μF Figure 8-33
Start-up with 5 mA ICL VI = 3.3 V, VO = 3.3 V, CO = 300 μF Figure 8-34
Start-up with 10 mA ICL VI = 3.3 V, VO = 3.3 V, CO = 300 μF Figure 8-35
Start-up with 25 mA ICL VI = 3.3 V, VO = 3.3 V, CO = 300 μF Figure 8-36
Start-up with 50 mA ICL VI = 3.3 V, VO = 3.3 V, CO = 300 μF Figure 8-37
Start-up with 100 mA ICL VI = 3.3 V, VO = 3.3 V, CO = 300 μF Figure 8-38
Short Circuit Behavior
Short Circuit Behavior VI = 3.3 V, VO = 1.8 V Figure 8-39
Short Circuit Behavior VI = 3.3 V, VO = 3.3 V Figure 8-40
Short Circuit Behavior VI = 3.3 V, VO = 5.0 V Figure 8-41
DVS (Digital Voltage Scaling)
DVS Behavior at Light Load VI = 3.3 V, VO(1) = 2.2 V, VO(2) = 3.6 V, Load = 1 kΩ Figure 8-42
DVS Behavior at High Load VI = 3.3 V, VO(1) = 2.2 V, VO(2) = 3.6 V, Load = 30 Ω Figure 8-43
GUID-20200731-CA0I-09G5-RDQW-35H7GBT8QLCQ-low.gif
TA = 25°C
Figure 8-2 Typical Output Current Capability versus Input Voltage
GUID-20200731-CA0I-5VH5-N4NC-MNXRJ08KFKMJ-low.gif
VI = 2.0 V TA = 25°C
Figure 8-4 Typical Burst Switching Frequency versus Output Current
GUID-20200928-CA0I-NZ25-5N9B-FGCNZ9DX8CGQ-low.gif
VO = 1.8 V TA = 25°C
Figure 8-6 Efficiency versus Output Current
GUID-20200928-CA0I-W41P-BKTN-G50JGDL4Q4NT-low.gif
VO = 5.0 V TA = 25°C
Figure 8-8 Efficiency versus Output Current
GUID-617A2E3E-7B8B-46BB-A111-E15E47214C5E-low.png
VI = 1.8 V, VO = 3.3 V No load
Figure 8-10 Switching Waveforms, Boost Operation
GUID-CDC50FF9-05CA-4505-AC05-14341093D642-low.png
VI = 3.3 V, VO = 3.3 V No load
Figure 8-12 Switching Waveforms, Buck-Boost Operation
GUID-20201015-CA0I-RMSQ-VB6P-MTBNGJPT7L9X-low.gif
VI = 2.0 V TA = 25°C
Figure 8-14 Output Voltage Ripple
GUID-20201015-CA0I-DLF7-G8HJ-VNC6FF60C1JR-low.gif
VI = 5.2 V TA = 25°C
Figure 8-16 Output Voltage Ripple
GUID-20200731-CA0I-5TXZ-L5L6-L98D8ZSM7TWP-low.gif
VO = 3.3 V TA = 25°C
Figure 8-18 Load Regulation
GUID-20201015-CA0I-BF9F-S7RR-D2DV1KLNMFQB-low.png
VI = 2.5 V to 4.2 V, VO = 3.3V Load = 1 mA
Figure 8-20 Line Transient, Light Load
GUID-20201015-CA0I-BRWP-BT89-BBRP4KWDC87M-low.png
VI = 1.8 V, VO = 3.3 V Load = 0 mA to 100 mA, tr/tf = 1 μs
Figure 8-22 Load Transient, 100 mA Step
GUID-20201015-CA0I-KQ6F-VB4N-874ZT6H9WRLV-low.png
VI = 3.3 V, VO = 3.3 V Load = 0 mA to 100 mA, tr/tf = 1 μs
Figure 8-24 Load Transient, 100 mA Step
GUID-20201015-CA0I-FDBT-MPVL-XF7LQPFRLBM9-low.png
VI = 3.3 V, VO = 3.3 V Load = 0 mA to 300 mA, tr/tf = 1 μs
Figure 8-26 Load Transient, 300 mA Step
GUID-20200713-CA0I-3XZK-LBVS-MR2J4LP3KBHS-low.png
 
 
VI = 3.3 V, VO = 3.3 V 100-mA resistive load
Figure 8-28 Start-up Behavior from Rising Enable
GUID-20200713-CA0I-4G61-3D56-PSZWGR7BFZJH-low.png
VI = 1.8 V, VO = 5.0 V 10-μA resistive load
Figure 8-30 Start-up Behavior from Rising Enable
GUID-20200713-CA0I-SV9W-JNVZ-RN0CZKDWT61Z-low.png
VI = 3.3 V, VO = 3.3 V CI = 32 μF, CO = 300 μF
Figure 8-32 Start-up with 1-mA ICL
GUID-20200713-CA0I-TBDH-N1BW-QV1L73QSJQNV-low.png
VI = 3.3 V, VO = 3.3 V CI = 32 μF, CO = 300 μF
Figure 8-34 Start-up with 5-mA ICL
GUID-20200713-CA0I-J1SX-BJT3-CS23GBXMKKPC-low.png
VI = 3.3 V, VO = 3.3 V CI = 32 μF, CO = 300 μF
Figure 8-36 Start-up with 25-mA ICL
GUID-20200713-CA0I-K1DT-8XMP-JS1NTXN3JCL3-low.png
VI = 3.3 V, VO = 3.3 V CI = 32 μF, CO = 300 μF
Figure 8-38 Start-up with 100-mA ICL
GUID-20201015-CA0I-1THH-JF2T-NGRTQDJXFZHF-low.png
VI = 3.3 V, VO = 3.3 V TA = 25°C
Figure 8-40 Short Circuit Behavior
GUID-23CF51E2-D9B3-428D-BE4D-04971E4C0DBE-low.png
VI = 3.3 V, VO(1) = 2.2 V, VO(2) = 3.6 V 1-kΩ resistive load
Figure 8-42 DVS Behavior at Light Load
GUID-20200731-CA0I-L9JG-TQ44-R60MZLGV7G4K-low.gif
VI = 3.3 V TA = 25°C
Figure 8-3 Typical Burst Switching Frequency versus Output Current
GUID-20200731-CA0I-BPZQ-W1PP-S9PFJSC1JFCZ-low.gif
VI = 5.2 V TA = 25°C
Figure 8-5 Typical Burst Switching Frequency versus Output Current
GUID-20200730-CA0I-2QFN-QCMR-JNVPFBDRLGJQ-low.gif
VO = 3.3 V TA = 25°C
Figure 8-7 Efficiency versus Output Current
GUID-20200730-CA0I-BQZL-MHWL-SF8KLX1DFG1L-low.gif
VO = 3.3 V TA = 25°C
Figure 8-9 Efficiency versus Input Voltage
GUID-1960D962-C860-433B-908C-6C10AFDEF3C4-low.png
VI = 2.8 V, VO = 3.3 V No load
Figure 8-11 Switching Waveforms, Boost Operation
GUID-E0B15EB5-F772-4B4A-8A9A-8378BB1D1C4D-low.png
VI = 4.0 V, VO = 3.3 V No load
Figure 8-13 Switching Waveforms, Buck Operation
GUID-20201015-CA0I-RSSW-9CR8-ZFQWRZJ2QTGF-low.gif
VI = 3.3 V TA = 25°C
Figure 8-15 Output Voltage Ripple
GUID-20201015-CA0I-W4NV-C14R-9ZVNZRLVQZ0Z-low.gif
VI = 3.3 V, VO = 3.6 V
Figure 8-17 Output Voltage Ripple over Temperature
GUID-20200730-CA0I-4QK7-4GHT-95LRZPCXSTHW-low.gif
VI = 1.8 V to 5.0 V Load = 1 mA, TA = 25°C
Figure 8-19 Line Regulation
GUID-20201015-CA0I-Q1QH-C7WV-GDV3Q1GRS1BL-low.png
VI = 2.5 V to 4.2 V, VO = 3.3 V Load = 100 mA
Figure 8-21 Line Transient, High Load
GUID-20201015-CA0I-WBXR-CJMR-4PXK7KDHMBFW-low.png
VI = 3.3 V, VO = 1.8 V Load = 0 mA to 100 mA, tr/tf = 1 μs
Figure 8-23 Load Transient, 100 mA Step
GUID-20201015-CA0I-QTS7-47VN-S8FR3WWJBKQD-low.png
VI = 3.3 V, VO = 1.8 V Load = 0 mA to 300 mA, tr/tf = 1 μs
Figure 8-25 Load Transient, 300 mA Step
GUID-20201015-CA0I-VS0V-1WFM-L8V0WGQCHXSV-low.png
VI = 5.5 V, VO = 3.3 V Load = 0 mA to 300 mA, tr/tf = 1 μs
Figure 8-27 Load Transient, 300 mA Step
GUID-20200713-CA0I-KBFT-WWH2-C9NVMZJZ3JN7-low.png
VI = 1.8 V, VO = 1.8 V 10-μA resistive load
Figure 8-29 Start-up Behavior from Rising Enable
GUID-20201015-CA0I-4FPQ-3WRK-KJKSJP9LL2SF-low.png
VI = 3.3 V, VO = 3.3 V 1000-μF capacitive load
Figure 8-31 Start-up Behavior from Rising Enable
GUID-20200713-CA0I-WMPV-TTK1-QHZ8NXX1ZN8V-low.png
VI = 3.3 V, VO = 3.3 V CI = 32 μF, CO = 300 μF
Figure 8-33 Start-up with 2.5-mA ICL
GUID-20200713-CA0I-KF5X-QLJ3-RZGNFS633XXJ-low.png
VI = 3.3 V, VO = 3.3 V CI = 32 μF, CO = 300 μF
Figure 8-35 Start-up with 10-mA ICL
GUID-20200713-CA0I-MBD6-G16J-PVQ0VG8WQGHP-low.png
VI = 3.3 V, VO = 3.3 V CI = 32 μF, CO = 300 μF
Figure 8-37 Start-up with 50-mA ICL
GUID-20201015-CA0I-7M8Z-Q2SC-ZQSP59RXH2PW-low.png
 
 
VI = 3.3 V, VO = 1.8 V TA = 25°C
Figure 8-39 Short Circuit Behavior
GUID-20201015-CA0I-3S68-R5WH-BKQWR0QB3LGW-low.png
VI = 3.3 V, VO = 5.0 V TA = 25°C
Figure 8-41 Short Circuit Behavior
GUID-AE5B28E0-6374-4A4C-A087-048FBC937C1C-low.png
VI = 3.3 V, VO(1) = 2.2 V, VO(2) = 3.6 V 30-Ω resistive load
Figure 8-43 DVS Behavior at High Load