VIN = VOUT(NOM) + 0.3V or 1.6V (whichever is greater), VOUT = 4.1V, IOUT = 1mA, CIN = 1µF, COUT = 1µF, and TA = 25°C (unless otherwise noted)
Figure 5-1 Line Regulation vs VIN
Figure 5-3 Load Regulation vs IOUT
Figure 5-5 Output Voltage Accuracy vs IOUT
Figure 5-7 Dropout Voltage vs IOUT
Figure 5-9 I GND vs VIN
Figure 5-11 IGND vs IOUT
Figure 5-13 Shutdown Current vs VIN
Figure 5-15 Enable Pin Leakage Current vs
VEN – VIN
Figure 5-17 Enable Logic High Threshold vs Temperature![TPS7A20U Load Transient TPS7A20U Load Transient](/ods/images/SBVS457A/GUID-20240908-SS0I-R1AO-PCX8-A3ZMHKAY745K-low.svg)
IOUT = 1mA to 75mA, tRISING = 75ns |
Figure 5-19 Load Transient![TPS7A20U Load Transient TPS7A20U Load Transient](/ods/images/SBVS457A/GUID-20240908-SS0I-C1YR-AIZD-F9ZLQJTW5M2Y-low.svg)
IOUT = 0mA to 75mA, tRISING = 75ns |
Figure 5-21 Load Transient![TPS7A20U Line Transient TPS7A20U Line Transient](/ods/images/SBVS457A/GUID-20240908-SS0I-KA63-Q64V-SFJ7FB1YVTWA-low.svg)
VIN = 4.4V → 5.4V → 4.4V, VIN tRISING = 5µs, IOUT = 75mA |
Figure 5-23 Line Transient
Figure 5-25 PSRR vs Frequency and VIN
Figure 5-27 PSRR vs Frequency and IOUT
Figure 5-29 PSRR vs Frequency and COUT![TPS7A20U Noise vs Frequency and VIN TPS7A20U Noise vs Frequency and VIN](/ods/images/SBVS457A/GUID-20240909-SS0I-R5EC-6ZHM-105RKC6PVZ6M-low.svg)
IOUT = 20mA, VRMS BW = 10Hz to 100kHz |
Figure 5-31 Noise vs Frequency and VIN![TPS7A20U Noise vs Frequency and COUT TPS7A20U Noise vs Frequency and COUT](/ods/images/SBVS457A/GUID-20240917-SS0I-TAIQ-BTNR-KB3JY7REXLT3-low.svg)
IOUT = 20mA, VRMS BW = 10Hz to 100kHz |
Figure 5-33 Noise vs Frequency and COUT
Figure 5-35 Noise vs Frequency and IOUT![TPS7A20U Start-Up TPS7A20U Start-Up](/ods/images/SBVS457A/GUID-20240908-SS0I-95RT-B7Q4-S9CQXO7ZQHYW-low.svg)
VIN = 0V to 4.4V, VEN = 0V to 3.6V, VEN rises 500µs behind VIN, VIN and VEN slew rate = 1V/µs |
Figure 5-37 Start-Up ![TPS7A20U Inrush Current TPS7A20U Inrush Current](/ods/images/SBVS457A/GUID-20240908-SS0I-9USC-5INS-Y5QNQ9RWCGJ5-low.svg)
VIN = 4.4V, VEN = 0V to 3.6V, VEN slew rate = 1V/µs, COUT = 1µF |
Figure 5-39 Inrush Current
Figure 5-2 Load Regulation vs IOUT
Figure 5-4 Output Voltage Accuracy vs IOUT
Figure 5-6 Output Voltage Accuracy vs VIN
Figure 5-8 Dropout Voltage vs IOUT
Figure 5-10 IGND vs VIN
Figure 5-12 IGND vs IOUT
Figure 5-14 Shutdown Current vs VIN
Figure 5-16 UVLO Threshold vs Temperature
Figure 5-18 Enable Logic Low Threshold Low vs Temperature![TPS7A20U Load Transient TPS7A20U Load Transient](/ods/images/SBVS457A/GUID-20240908-SS0I-SXEP-4VC9-SDZ2DJ616TWL-low.svg)
IOUT = 75mA to 1mA, tFALLING = 75ns |
Figure 5-20 Load Transient![TPS7A20U Load Transient TPS7A20U Load Transient](/ods/images/SBVS457A/GUID-20240908-SS0I-60L5-44R3-Q3LD0IIRSZJJ-low.svg)
IOUT = 75mA to 0mA, tFALLING = 75ns |
Figure 5-22 Load Transient![TPS7A20U Line Transient TPS7A20U Line Transient](/ods/images/SBVS457A/GUID-20240908-SS0I-RR5E-9457-H43RV0CKE7BL-low.svg)
VIN = 4.4V → 5.4V → 4.4V, VIN tRISING = 5µs, IOUT = 1mA |
Figure 5-24 Line Transient
Figure 5-26 PSRR vs Frequency and VIN
Figure 5-28 PSRR vs Frequency and COUT
Figure 5-30 Noise vs Frequency and IOUT![TPS7A20U Noise vs Frequency and VIN TPS7A20U Noise vs Frequency and VIN](/ods/images/SBVS457A/GUID-20240909-SS0I-VXMM-6OK4-CX95VALLCYZG-low.svg)
IOUT = 75mA, VRMS BW = 10Hz to 100kHz |
Figure 5-32 Noise vs Frequency and VIN![TPS7A20U Noise vs Frequency and COUT TPS7A20U Noise vs Frequency and COUT](/ods/images/SBVS457A/GUID-20240917-SS0I-HZMS-KKNP-UFSHIZ81IV9B-low.svg)
IOUT = 75mA, VRMS BW = 10Hz to 100kHz |
Figure 5-34 Noise vs Frequency and COUT![TPS7A20U Start-Up Turn-On Time TPS7A20U Start-Up Turn-On Time](/ods/images/SBVS457A/GUID-20200812-CA0I-TCT5-NPBW-0MPFQ2TMJKDR-low.gif)
From VEN = VEN(HI) to VOUT = 95% of VOUT(NOM), IOUT = 0mA |
|
Figure 5-36 Start-Up Turn-On Time![TPS7A20U Start-Up TPS7A20U Start-Up](/ods/images/SBVS457A/GUID-20240908-SS0I-99K8-S3M0-T3J2K6CMEMTJ-low.svg)
VIN = 0V to 4.4V, VEN = 0V to 3.6V, VEN rises 500µs ahead of VIN, VIN and VEN slew rate = 1V/µs |
Figure 5-38 Start-Up![TPS7A20U Inrush Current TPS7A20U Inrush Current](/ods/images/SBVS457A/GUID-20240909-SS0I-IFKO-BBHQ-2CKRT4JG1WU0-low.svg)
VIN = 4.4V, VEN = 0V to 3.6V, VEN slew rate = 1V/µs, COUT = 200µF |
Figure 5-40 Inrush Current