at operating temperature range TJ = 25°C, VIN = VOUT(NOM) + 0.5 V or 1.5 V (whichever is greater), IOUT = 1 mA, VEN = VIN, and CIN = COUT = 1 μF (unless otherwise noted)
VOUT = 3.3 V, IOUT = 1 mA |
Figure 6-1 3.3-V Line Regulation vs VINVOUT = 5.5 V, IOUT = 1 mA |
Figure 6-3 5.5-V Line Regulation vs VINFigure 6-5 0.55-V Dropout Voltage vs IOUT Figure 6-7 VDO vs VOUT Figure 6-9 ISHDN vs VIN VIN = 3.8 V, VOUT = 3.3 V |
Figure 6-11 3.3-V Load Regulation vs IOUTFigure 6-13 5-V Load Regulation vs IOUT Figure 6-15 PGLTH and PGHTH vs Temperature VIN = 3.8 V, VOUT = 3.3 V |
Figure 6-17 VOL(PG) vs PG Pin Sink CurrentFigure 6-19 tPGDH vs Temperature (For TPS746B Only) Figure 6-21 VEN(HI) and VEN(LO) vs Temperature Figure 6-23 3.3-V Foldback Current Limit vs IOUT VOUT = 3.3 V, IOUT = 1 mA, VIN slew rate = 1 V/µs |
Figure 6-25 3.3-V Line TransientVOUT = 5 V, VIN = 5.5 V, IOUT slew rate = 1 A/µs |
Figure 6-27 1-mA to 1-A Load Transient (5 V)VIN = 3.8 V, VOUT = 3.3 V, IOUT = 1 mA |
Figure 6-29 VIN Power-UpVOUT = 3.3 V, IOUT = 500 mA, COUT = 2.2 µF |
Figure 6-31 PSRR vs Frequency and VINVOUT = 3.3 V, IOUT = 250 mA, COUT = 2.2 µF |
Figure 6-33 PSRR vs Frequency and VINIOUT = 500 mA, COUT = 2.2 µF |
Figure 6-35 PSRR vs Frequency
VIN = 3.8 V, VOUT = 3.3 V,
IOUT = 500 mA |
Figure 6-37 PSRR
vs Frequency and COUT
VIN = 3.8 V, VOUT = 3.3 V,
COUT = 2.2 µF |
|
Figure 6-39 PSRR
vs Frequency and ILOAD
VIN = 3.8 V, VOUT = 3.3 V,
COUT = 2.2 µF, VRMS BW = 10 Hz
to 100 kHz |
Figure 6-41 Output Spectral Noise Density vs Frequency and IOUTVIN = 3.8 V, VOUT = 3.3 V, IOUT = 100 mA, CFF = 0 µF, VRMS BW = 10 Hz to 100 kHz |
Figure 6-43 Output Spectral Noise Density vs Frequency and COUTVOUT = 0.55 V, IOUT = 1 mA |
Figure 6-2 0.55-V Line Regulation vs VINFigure 6-4 3.3-V Dropout Voltage vs IOUT Figure 6-6 5.5-V Dropout Voltage vs IOUT Figure 6-8 IGND vs IOUT VOUT = 3.3 V, IOUT = 0 mA |
Figure 6-10 IGND vs VINFigure 6-12 0.55-V Load Regulation vs IOUT Figure 6-14 VOUT vs IOUT Pulldown Resistor Figure 6-16 IIkg(PG) vs Temperature and PG Pin Voltage Figure 6-18 tPGDH vs Temperature Figure 6-20 tPGDL vs Temperature Figure 6-22 IEN vs VIN VOUT = 0.55 V, IOUT = 1 mA, VIN slew rate = 1 V/µs |
|
Figure 6-24 0.55-V Line TransientVOUT = 0.55 V, VIN = 2 V, IOUT slew rate = 1 A/µs |
Figure 6-26 1-mA to 1-A Load Transient (0.55 V)VOUT = 3.3 V, VIN = 3.8 V, IOUT slew rate = 1 A/µs |
Figure 6-28 1-mA to 1-A Load Transient (3.3 V)VIN = 3.8 V, VOUT = 3.3 V, IOUT = 1 mA |
Figure 6-30 Startup With ENVOUT = 3.3 V, IOUT = 500 mA, COUT = 2.2 µF |
Figure 6-32 PSRR vs Frequency and VINVOUT = 3.3 V, IOUT = 250 mA, COUT = 2.2 µF |
Figure 6-34 PSRR vs Frequency and VINIOUT = 1 A, COUT = 2.2 µF |
Figure 6-36 PSRR vs Frequency
VIN = 3.8 V, VOUT = 3.3 V,
IOUT = 500 mA |
Figure 6-38 PSRR
vs Frequency and CFF
VIN = 3.8 V, VOUT = 3.3 V,
COUT = 4.7 µF, VRMS BW = 10 Hz
to 100 kHz |
Figure 6-40 Output Spectral Noise Density vs Frequency and IOUT
VIN = 3.8 V, VOUT = 3.3 V,
IOUT = 500 mA, COUT = 2.2 µF,
VRMS BW = 10 Hz to 100 kHz |
Figure 6-42 Output Spectral Noise Density vs Frequency and CFFIOUT = 500 mA, COUT = 2.2 µF, VRMS BW = 10 Hz to 100 kHz |
|
Figure 6-44 Output Spectral Noise Density vs Frequency