Texas Instruments LP3873ES-3.3/NOPB Linear Controllers
3-A, low-dropout voltage regulator with power good & enable for 2.5 V & 3.3V

Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LP3873ES-3.3/NOPB
Detailed Description
3-A, low-dropout voltage regulator with power good & enable for 2.5 V & 3.3V
Package
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Key Features
Package / Case: TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Lifecycle Status
Active
RoHS State
RoHS Compliant
Datasheet
LP3873ES-3.3/NOPB Datasheet
Quick Jump:
Technical Specifications
Texas Instruments LP3873ES-3.3/NOPB Linear Controllers technical specifications.
General
Package / Case
TO-263-6, D²Pak
Operating Temperature
-40°C ~ 125°C
PSRR
73dB ~ 57dB (120Hz)
Output Type
Fixed
Quiescent Current
9 mA
Current Supply Max
15 mA
Control Features
Enable
Output Current
3A
Output Configuration
Positive
Output Voltage
3.3V
Alternate Parts Comparison (LP3873ES-3.3/NOPB vs LP3871ESX-1.8/NOPB vs LP3872ESX-5.0/NOPB vs LP3892ESX-1.5/NOPB)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | TO-263-6, D²Pak | TO-263-6, D²Pak | TO-263-6, D²Pak | TO-263-6, D²Pak |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Control Features | Enable | Enable | Enable | Enable |
| Current Supply Max | 15 mA | 15 mA | 15 mA | 8 mA |
| Max Input Voltage | 7V | 7V | 7V | 5.5V |
| Output Configuration | Positive | Positive | Positive | Positive |
| Output Current | 3A | 800mA | 1.5A | 1.5A |
| Output Type | Fixed | Fixed | Fixed | Fixed |
| Output Voltage | 3.3V | 1.8V | 5V | 1.5V |
| Protection Features | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Short Circuit | Over Current, Over Temperature, Under Voltage Lockout (UVLO) |
| PSRR | 73dB ~ 57dB (120Hz) | 73dB ~ 57dB (120Hz) | 73dB ~ 57dB (120Hz) | 80dB ~ 65dB (120Hz ~ 1kHz) |
| Quiescent Current | 9 mA | 5 mA | 5 mA | 30 µA |
| Action |
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