SBVS375B July   2019  – April 2020 TPS7A03

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Device Images
      1.      Typical Application Circuit
  4. Revision History
  5. Pin Configuration and Functions
    1.     Pin Functions: DQN, DBV
    2.     Pin Functions: YCH
  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 Switching Characteristics
    7. 6.7 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Excellent Transient Response
      2. 7.3.2 Active Discharge (P-Version Only)
      3. 7.3.3 Low IQ in Dropout
      4. 7.3.4 Smart Enable
      5. 7.3.5 Dropout Voltage
      6. 7.3.6 Foldback Current Limit
      7. 7.3.7 Undervoltage Lockout (UVLO)
      8. 7.3.8 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Device Functional Mode Comparison
      2. 7.4.2 Normal Operation
      3. 7.4.3 Dropout Operation
      4. 7.4.4 Disabled
  8. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Recommended Capacitor Types
      2. 8.1.2 Input and Output Capacitor Requirements
      3. 8.1.3 Load Transient Response
      4. 8.1.4 Undervoltage Lockout (UVLO) Operation
      5. 8.1.5 Power Dissipation (PD)
        1. 8.1.5.1 Estimating Junction Temperature
        2. 8.1.5.2 Recommended Area for Continuous Operation
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curve
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Examples
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Device Nomenclature
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Community Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

Typical Characteristics

at operating temperature range (TJ = –40°C to 125°C), VIN = VOUT(nom) + 0.5 V or 2.0 V (whichever is greater), IOUT = 1 mA, VEN = VIN, and CIN = COUT = 1 µF (unless otherwise noted)
TPS7A03 TPS7A03_Iq_vs_VIN_n55_85C_ENVIN_0mA.gif
VOUT = 1.8 V, VIN = VEN = 2.3 V
Figure 1. IQ vs VIN and Temperature
TPS7A03 TPS7A03_IQ_vs_IOUT_logarithmic.gif
VOUT = 1.8 V, VIN = VEN = 2.3 V
Figure 3. IQ vs IOUT and Temperature up to 200 mA
TPS7A03 TPS7A03_IQ_IOUT_0mA_to1mA.gif
VOUT = 1.8 V, VIN = VEN = 2.3 V
Figure 5. IQ vs IOUT and Temperature Up to 1 mA
TPS7A03 TPS7A03_Iq_dropout_n55_85C_5.0V_ENVIN_0mA.gif
VOUT = 5.0 V, VIN = VEN
Figure 7. IQ in Dropout vs VIN and Temperature
TPS7A03 TPS7A03_Iq_vs_VIN_n55_140C_EN1P1_0mA.gif
IOUT = 0 mA, VEN = 1.1 V
Figure 9. IQ vs VIN and Temperature
TPS7A03 IQShutdown_VIN_EN_0_85Cto145C.gif
VEN = 0 V
Figure 11. ISHDN vs VIN and Temperature
TPS7A03 TPS7A03_LoadTran_1mA_50mA_1mA_1.gif
VOUT = 1.8 V, VIN = 2.8 V, COUT = 1 µF, tr = tf = 1 µs
Figure 13. IOUT Transient From 1 mA to 50 mA
TPS7A03 TPS7A03_LoadTran_1mA_200mA_1mA_1uF.gif
VOUT = 1.8 V, VIN = 2.8 V, COUT = 1 µF, tr = tf = 1 µs
Figure 15. IOUT Transient From 1 mA to 200 mA
TPS7A03 TPS7A03_LoadTran_50mA_0mA_1uF_1us.gif
VOUT = 1.8 V, VIN = 2.8 V, COUT = 1 µF, tr = tf = 1 µs
Figure 17. IOUT Transient From 50 mA to 0 mA
TPS7A03 TPS7A03_LoadTran_100mA_0mA_1uF_1us.gif
VOUT = 1.8 V, VIN = 2.8 V, COUT = 1 µF, tr = tf = 1 µs
Figure 19. IOUT Transient From 100 mA to 0 mA
TPS7A03 TPS7A03_LoadTran_200mA_0mA_1uF_1us.gif
VOUT = 1.8 V, VIN = 2.8 V, COUT = 1 µF, tr = tf = 1 µs
Figure 21. IOUT Transient From 200 mA to 0 mA
TPS7A03 LineTransient2p8v_6V_1mA_1pvus.gif
VOUT = 1.8 V, IOUT = 1 mA, COUT = 1 µF, slew rate = 1 V/µs
Figure 23. VIN Transient From 2.8 V to 6.0 V
TPS7A03 Dropout_exit1p5v_4p5V_100mA_1pvus.gif
VOUT = 1.8 V, IOUT = 100 mA, COUT = 1 µF, slew rate = 1 V/µs
Figure 25. VIN Transient From 1.5 V to 4.5 V
TPS7A03 Accuracy_percent_1P8V_vs_VIN_IOUT1mA.gif
VOUT = 1.8 V, IOUT = 1 mA
Figure 27. Output Accuracy vs VIN and Temperature
TPS7A03 LineReg_Vout(mV)_vs_VIN_VOUT5V_IOUT1mA.gif
VOUT = 5.0 V, IOUT = 1 mA
Figure 29. Line Regulation vs VIN and Temperature
TPS7A03 Accuracy_percent_5V_overTemp_IOUT1mA.gif
VOUT = 5.0 V, IOUT = 1 mA
Figure 31. Output Accuracy vs Temperature
TPS7A03 Dropout_vs_IOUT_1P8V.gif
VOUT = 1.8 V
Figure 33. Dropout vs IOUT and Temperature
TPS7A03 Dropout_vs_VIN_Temp_5V_200mA_new.gif
IOUT = 200 mA
Figure 35. Dropout vs VIN and Temperature
TPS7A03 Foldback _CurrentLimit_0P8V.gif
VOUT = 0.8 V
Figure 37. Foldback Current Limit vs IOUT and Temperature
TPS7A03 EN_threshold_vs_Temp_VOUT0P8V.gif
VOUT = 0.8 V
Figure 39. EN High and Low Threshold vs Temperature
TPS7A03 UVLO_threshold_vs_Temp_VOUT5V.gif
VOUT = 5.0 V, IOUT = 1 mA
Figure 41. UVLO Rising and Falling Threshold vs Temperature
TPS7A03 SmartEN_Pulldown_resistor_vs_temp_Vout.gif
Figure 43. Smart Enable Pulldown Resistor vs Temperature and VOUT
TPS7A03 TPS7A03_PSRR_vs_VIN_1.8V_IOUT10mA.gif
VOUT = 1.8 V, IOUT = 10 mA, COUT = 1 µF
Figure 45. PSRR vs Frequency and VIN
TPS7A03 TPS7A03_PSRR_vs_VIN_1.8V_IOUT200mA.gif
VOUT = 1.8 V, IOUT = 200 mA, COUT = 1 µF
Figure 47. PSRR vs Frequency and VIN
TPS7A03 Noise_vs_IOUT_1p8V_1mA-100uA_VIN=2.8V_1uF.gif
VOUT = 1.8 V, VIN = 2.8 V, COUT = 1 µF
Figure 49. Output Noise vs Frequency and IOUT
TPS7A03 Startup_EN_with_VIN-1.8V-200mA.gif
VOUT = 1.8 V, IOUT = 200 mA, COUT = 1 µF
Figure 51. Startup With VEN = VIN
TPS7A03 Startup_EN_after_VIN-1.8V-200mA.gif
VOUT = 1.8 V, IOUT = 200 mA, COUT = 1 µF
Figure 53. Startup With VEN After VIN
TPS7A03 Startup_EN_after_VIN-5.0V-200mA.gif
VOUT = 5.0 V, IOUT = 200 mA, COUT = 1 µF
Figure 55. Startup With VEN After VIN
TPS7A03 Startup_inrush-EN_after_VIN-1.8V-0mA-22uF.gif
VOUT = 1.8 V, IOUT = 0 mA
Figure 57. Startup Inrush Current With COUT= 22 µF
TPS7A03 TPS7A03_Iq_vs_VIN_n125_140C_ENVIN_0mA.gif
IOUT = 0 mA, VEN = VIN
Figure 2. IQ vs VIN and Temperature
TPS7A03 IQ_IOUT_n55_140C.gif
VOUT = 1.8 V, VIN = VEN = 2.3 V
Figure 4. IQ vs IOUT and Temperature Up to 200 mA
TPS7A03 TPS7A03_IQ_IOUT_1mA_to10mA.gif
VOUT = 1.8 V, VIN = VEN = 2.3 V
Figure 6. IQ vs IOUT and Temperature for 1 mA to 10 mA
TPS7A03 TPS7A03_Iq_dropout_n125_140C_5.0V_ENVIN_0mA.gif
VOUT = 5.0 V, VIN = VEN
Figure 8. IQ in Dropout vs VIN and Temperature
TPS7A03 IQShutdown_VIN_EN_1p1_n55to25C.gif
VEN = 0 V
Figure 10. ISHDN vs VIN and Temperature
TPS7A03 TPS7A03_LoadTran_1mA_10mA_1mA_1uF.gif
VOUT = 1.8 V, VIN = 2.8 V, COUT = 1 µF, tr = tf = 1 µs
Figure 12. IOUT Transient From 1 mA to 10 mA
TPS7A03 TPS7A03_LoadTran_1mA_100mA_1mA_1uF.gif
VOUT = 1.8 V, VIN = 2.8 V, COUT = 1 µF, tr = tf = 1 µs
Figure 14. IOUT Transient From 1 mA to 100 mA
TPS7A03 TPS7A03_LoadTran_0mA_50mA_1uF_1us.gif
VOUT = 1.8 V, VIN = 2.8 V, COUT = 1 µF, tr = tf = 1 µs
Figure 16. IOUT Transient From 0 mA to 50 mA
TPS7A03 TPS7A03_LoadTran_0mA_100mA_1uF_1us.gif
VOUT = 1.8 V, VIN = 2.8 V, COUT = 1 µF, tr = tf = 1 µs
Figure 18. IOUT Transient From 0 mA to 100 mA
TPS7A03 TPS7A03_LoadTran_0mA_200mA_1uF_1us.gif
VOUT = 1.8 V, VIN = 2.8 V, COUT = 1 µF, tr = tf = 1 µs
Figure 20. IOUT Transient From 0 mA to 200 mA
TPS7A03 LineTransient2p8v_4p8V_200mA_1pvus.gif
VOUT = 1.8 V, IOUT = 200 mA, COUT = 1 µF, slew rate = 1 V/µs
Figure 22. VIN Transient From 2.8 V to 4.8 V
TPS7A03 LineTransient2p8v_6V_200mA_1pvus.gif
VOUT = 1.8 V, IOUT = 200 mA, COUT = 1 µF, slew rate = 1 V/µs
Figure 24. VIN Transient From 2.8 V to 6.0 V
TPS7A03 LineReg_Vout(mV)_vs_VIN_VOUT1P8V_IOUT1mA.gif
VOUT = 1.8 V, IOUT = 1 mA
Figure 26. Line Regulation vs VIN and Temperature
TPS7A03 Accuracy_percent_1P8V_overTemp_IOUT1mA.gif
VOUT = 1.8 V, IOUT = 1 mA
Figure 28. Output Accuracy vs Temperature
TPS7A03 Accuracy_percent_5V_vs_VIN_IOUT1mA.gif
VOUT = 5.0 V, IOUT = 1 mA
Figure 30. Output Accuracy vs VIN and Temperature
TPS7A03 LoadReg_deltaVOUT(mV)_vs_IOUT(mA).gif
VOUT = 1.8 V
Figure 32. Load Regulation vs VIN and Temperature
TPS7A03 Dropout_vs_IOUT_5V.gif
VOUT = 5.0 V
Figure 34. Dropout vs IOUT and Temperature
TPS7A03 Dropout_vs_VIN_Temp_5V_50mA.gif
IOUT = 50 mA
Figure 36. Dropout vs VIN and Temperature
TPS7A03 Foldback _CurrentLimit_1P8V.gif
VOUT = 1.8 V
Figure 38. Foldback Current Limit vs IOUT and Temperature
TPS7A03 EN_threshold_vs_Temp_VOUT5V.gif
VOUT = 5.0 V
Figure 40. EN High and Low Threshold vs Temperature
TPS7A03 Pulldown_resistor_vs_temp_Vout.gif
Figure 42. Pulldown Resistor vs Temperature and VOUT
TPS7A03 TPS7A03_PSRR_vs_IOUT_1.8V_2.8VVIN.gif
VIN = 2.8 V, VOUT = 1.8 V, COUT = 1 µF
Figure 44. PSRR vs Frequency and IOUT
TPS7A03 TPS7A03_PSRR_vs_VIN_1.8V_IOUT100mA.gif
VOUT = 1.8 V, IOUT = 100 mA, COUT = 1 µF
Figure 46. PSRR vs Frequency and VIN
TPS7A03 Noise_vs_VOUT_1p8V_5V_1mA_VIN_2.8V_6V.gif
VIN = VOUT+ 1.0 V, IOUT = 1 mA, COUT = 1 µF
Figure 48. Output Noise vs Frequency and VOUT
TPS7A03 Noise_vs_COUT_1p8V_1mA_VIN2.8V_1uF_22uF.gif
VOUT = 1.8 V, VIN = 2.8 V, IOUT = 1 mA
Figure 50. Output Noise vs Frequency and COUT
TPS7A03 Startup_EN_before_VIN_200mA.gif
VOUT = 1.8 V, IOUT = 200 mA, COUT = 1 µF
Figure 52. Startup With VEN Before VIN
TPS7A03 Startup_EN_after_VIN-1.8V-0mA.gif
VOUT = 1.8 V, IOUT = 0 mA, COUT = 1 µF
Figure 54. Startup With VEN After VIN
TPS7A03 Startup_inrush-EN_after_VIN-1.8V-0mA-1uF.gif
VOUT = 1.8 V, IOUT = 0 mA
Figure 56. Startup Inrush Current With COUT= 1 µF