SNVS128 Data sheet | TI.com

SNVS128L March 2000 – December 2023 LP2982

PRODUCTION DATA

Package Options

Mechanical Data (Package|Pins)

DBV|5
- MPDS018T

Thermal pad, mechanical data (Package|Pins)

Orderable Information

5.6 Typical Characteristics

Unless otherwise specified: T_A = 25°C, V_IN = V_O(NOM) + 1 V, C_OUT = 4.7 μF, C_IN = 1 μF, all voltage options, ON/ OFF pin tied to V_IN.

Figure 5-1 Output Voltage versus Temperature (Legacy Chip)

Figure 5-3 Output Voltage versus Temperature (Legacy Chip)

V_OUT = 5.0 V

Figure 5-5 Output Voltage versus V_IN (Legacy Chip)

V_OUT = 3.0 V

Figure 5-7 Output Voltage versus V_IN (Legacy Chip)

Figure 5-9 Dropout Voltage versus Temperature (Legacy Chip)

Figure 5-11 Dropout Voltage versus Load Current (Legacy Chip)

Figure 5-13 Ground Pin Current versus Temperature (Legacy Chip)

Figure 5-15 Ground Pin Current versus Load Current (Legacy Chip)

V_OUT = 5 V

Figure 5-17 Input Current versus V_IN (Legacy Chip)

V_OUT = 3.3 V

Figure 5-19 Input Current versus Input Voltage (New Chip)

Figure 5-21 Line Transient Response (Legacy chip)

Figure 5-23 Load Transient Response (Legacy chip)

Figure 5-25 Load Transient Response (Legacy chip)

dI/dt = 1 A/μs

Figure 5-27 Load Transient Response (New Chip)

V_IN = 16 V

Figure 5-29 Short-Circuit Current versus Time (Legacy chip)

Figure 5-31 Short-Circuit Current versus Time (New Chip)

Figure 5-33 Short-Circuit Current versus Temperature (New Chip)

Figure 5-35 Output Impedance versus Frequency (Legacy chip)

Figure 5-37 ON/ OFF Pin Current versus V_ON/OFF (Legacy chip)

V_IN = 4.3 V

Figure 5-39 ON/OFF Pin Current versus V_ON/OFF (New Chip)

Figure 5-41 ON/ OFF Threshold versus Temperature (New chip)

Figure 5-43 Output Reverse Leakage versus Temperature (Legacy chip)

Figure 5-45 Output Noise Density (Legacy chip)

Figure 5-47 Output Noise Density (Legacy chip)

V_IN = 4.3V, V_OUT = 3.3V, C_OUT = 2.2μF and I_LOAD = 1 mA

Figure 5-49 Output Noise Density versus Frequency for New Chip

V_OUT = 3.3 V, C_byp = 0 nF

Figure 5-51 Ripple Rejection versus I_OUT (New Chip)

Figure 5-53 Turnon Waveform (Legacy chip)

Figure 5-55 Turnon Waveform (Legacy chip)

C_byp = 0.1 nF

Figure 5-57 Turnon Waveform (New chip)

Figure 5-2 Output Voltage versus Temperature (Legacy Chip)

V_IN = 4.3 V, V_OUT = 3.3 V

Figure 5-4 Output Voltage versus Temperature (New Chip)

V_OUT = 3.3 V

Figure 5-6 Output Voltage versus V_IN (Legacy Chip)

V_OUT = 3.3 V

Figure 5-8 Output Voltage versus V_IN (New Chip)

Figure 5-10 Dropout Voltage versus Temperature (New Chip)

Figure 5-12 Dropout Voltage versus Load Current (New Chip)

Figure 5-14 Ground Pin Current versus Temperature (New Chip)

Figure 5-16 Ground Pin Current versus Load Current (New Chip)

V_OUT = 5 V

Figure 5-18 Input Current versus V_IN (Legacy Chip)

Figure 5-20 Line Transient Response (Legacy chip)

V_OUT = 3.3 V, ΔV_IN = 1 V, I_OUT = 50 mA, dV/dt = 1 V/μs

Figure 5-22 Line Transient Response (New Chip)

Figure 5-24 Load Transient Response (Legacy chip)

Figure 5-26 Load Transient Response (Legacy chip)

V_IN = 6 V

Figure 5-28 Short-Circuit Current versus Time (Legacy chip)

V_IN = 6 V

Figure 5-30 Short-Circuit Current versus Time (New Chip)

Figure 5-32 Instantaneous Short-Circuit Current versus Temperature (Legacy chip)

Figure 5-34 Instantaneous Short Circuit Current versus Output Voltage (Legacy chip)

Figure 5-36 Output Impedance versus Frequency (Legacy chip)

V_IN = 16 V

Figure 5-38 ON/OFF Pin Current versus V_ON/OFF (New Chip)

Figure 5-40 ON/ OFF Threshold versus Temperature (Legacy chip)

Figure 5-42 Input-to-Output Leakage versus Temperature (Legacy chip)

Figure 5-44 Output Reverse Leakage versus Temperature (New chip)

Figure 5-46 Output Noise Density (Legacy chip)

V_IN = 4.3V, V_OUT = 3.3V, C_OUT = 2.2μF and I_LOAD = 50 mA

Figure 5-48 Output Noise Density versus Frequency (New Chip)

Figure 5-50 Ripple Rejection (Legacy chip)

V_OUT = 3.3 V, C_byp = 10 nF

Figure 5-52 Ripple Rejection versus I_OUT (New Chip)

Figure 5-54 Turnon Waveform (Legacy chip)

C_byp = 0 nF

Figure 5-56 Turnon Waveform (New chip)

C_byp = 1 nF

Figure 5-58 Turnon Waveform (New chip)