SBVS388 Data sheet

SBVS388B January 2021 – January 2022 TPS785-Q1

PRODUCTION DATA

6.6 Typical Characteristics

at operating temperature T_J = 25°C, I_OUT = 1 mA, V_EN = 1.0 V, C_IN = 1.0 µF, C_OUT = 1.0 µF, and V_IN = V_OUT(NOM) + 0.75 V or 1.7 V (whichever is greater), unless otherwise noted; typical values are at T_J = 25°C

V_OUT = 3.3 V

Figure 6-1 Output Accuracy vs V_IN

I_OUT = 50 mA, V_OUT = 1.2 V

Figure 6-3 Output Accuracy vs V_IN

V_OUT = 1.2 V

Figure 6-5 Output Accuracy vs Output Current

I_OUT = 500 µA

Figure 6-7 I_GND vs V_IN

V_OUT = 1.2 V, V_IN = 2 V

Figure 6-9 I_GND vs I_OUT

I_OUT = 50 mA

Figure 6-11 50-mA Ground Current vs Temperature

V_EN = 0.3 V

Figure 6-13 Pulldown Resistor (R_Pulldown) vs V_IN

V_IN = 6 V

Figure 6-15 V_EN(HI) and V_EN(LOW) Thresholds vs Temperature

V_OUT = 3.3 V, I_OUT = 300 mA, slew rate = 1 V/µs

Figure 6-17 Line Transient vs Temperature

V_OUT = 3.3 V, I_OUT = 500 mA, slew rate = 1 V/µs

Figure 6-19 Line Transient vs Temperature

V_OUT = 3.3 V, I_OUT = 0 mA to 100 mA, rise time = 1 µs

Figure 6-21 Load Transient vs Temperature

V_OUT = 3.3 V, I_OUT = 1 A

Figure 6-23 Noise vs C_FF

V_OUT = 3.3 V, I_OUT = 1 A

Figure 6-25 PSRR vs V_IN

V_OUT = 3.3 V

Figure 6-27 PSRR vs I_OUT

V_IN = V_EN = 5.5 V, C_IN = 0 µF, C_OUT = 1 µF, V_OUT = 1.2 V,
I_OUT = 50 mA, T_A = -40°C

Figure 6-29 Start Up

V_IN = V_EN = 5.5 V, C_IN = 0 µF, C_OUT = 1 µF, V_OUT = 1.2 V,
I_OUT = 50 mA, T_A = 150°C

Figure 6-31 Start Up

V_IN = 5.5 V, C_IN = 0 µF, C_OUT = 4.7 µF, V_OUT = 5.0 V,
I_OUT = 0 mA

Figure 6-33 Start-Up Inrush Current With
C_OUT = 4.7 µF

V_OUT = 5.0 V

Figure 6-2 Output Accuracy vs V_IN

V_OUT = 1.2 V

Figure 6-4 Output Accuracy vs Temperature

I_OUT = 1 A

Figure 6-6 Dropout vs Output Voltage

Figure 6-8 I_GND vs I_OUT

I_OUT = 500 µA

Figure 6-10 500-µA Ground Current vs Temperature

V_EN = 0.3 V

Figure 6-12 I_SHDN vs V_IN

V_IN = 2 V

Figure 6-14 V_EN(HI) and V_EN(LOW) Thresholds vs Temperature

V_OUT = 3.3 V, I_OUT = 1 mA, slew rate = 1 V/µs

Figure 6-16 Line Transient

V_OUT = 3.3 V, I_OUT = 1 A, slew rate = 1 V/µs

Figure 6-18 Line Transient vs Temperature

V_OUT = 3.3 V, I_OUT = 300 mA to 700 mA, rise time = 1 µs

Figure 6-20 Load Transient vs Temperature

V_OUT = 3.3 V, I_OUT = 0 mA to 1 A, rise time = 1 µs

Figure 6-22 Load Transient vs Temperature

I_OUT = 1 A

Figure 6-24 Noise vs V_OUT

V_OUT = 3.3 V, I_OUT = 1 A

Figure 6-26 PSRR vs C_OUT

V_IN = 5.5 V, C_IN = 0 µF, C_OUT = 1 µF, V_OUT = 5.0 V,
I_OUT = 0 mA

Figure 6-28 Start-Up Inrush Current With
C_OUT = 1 µF

V_IN = V_EN = 5.5 V, C_IN = 0 µF, C_OUT = 1 µF, V_OUT = 1.2 V,
I_OUT = 50 mA, T_A = 25°C

Figure 6-30 Start Up

V_IN = V_EN = 5.5 V, C_IN = 0 µF, C_OUT = 1 µF, V_OUT = 5.0 V,
I_OUT = 0 mA

Figure 6-32 Start-Up Inrush Current With
C_OUT = 1 µF

C_OUT denotes nominal capacitor size
(not effective capacitance)

Figure 6-34 ESR vs C_OUT