LP3963ESX-3.3
IC REG LIN 3.3V 3A DDPAK/TO263-5
Pmic Voltage Regulators Linear
TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Not For New Designs
$3.38 / unit (market reference)
MOQ: 89 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Texas Instruments |
| Model | LP3963ESX-3.3 |
| Package / Case | TO-263-6, D²Pak (5 Leads + Tab), TO-263BA |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C |
| Voltage - Input (Max) | 7V |
| Voltage - Output | 3.3V |
| Current - Output | 3A |
| Supplier Device Package | DDPAK/TO-263-5 |
| RoHS | RoHS |
| Part Status | Not For New Designs |
Application & Notes
LP3963ESX-3.3 by Texas Instruments is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 7V, output 3.3V. The TO-263-6, D²Pak (5 Leads + Tab), TO-263BA package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
📖 Technical Guides for LP3963ESX-3.3
ESP32 vs STM32: Which MCU is Right for Your Project?
Components Guide
Chinese MCU Alternatives: GD32, AT32, APM32 & More — 40-80% Cost Savings vs ST/NXP/Microchip
Components Guide
Op-Amp Selection Guide: 8 Most Popular Types and When to Use Each
Components Guide
LM358 Alternatives & Replacements: Complete Pin-to-Pin Guide
Components Guide
Alternatives & Replacements
View All →NCP5662DS33R4G
IC REG LINEAR 3.3V 2A D2PAK-5
NCV4276DS50R4G
IC REG LINEAR 5V 400MA D2PAK-5
TPS758A01KTTR
IC REG LIN POS ADJ 3A DDPAK
CS5253B-8GDPR5G
IC REG LDO LIN 3A 2.5V D2PAK-5
FAN1581M25X
IC REG LINEAR 2.5V 5A TO263-5
TLE4290GATMA1
IC REG LINEAR 5V 450MA TO263-5-1
All Technical Specifications
| Output Type | Fixed |
| Control Features | Enable |
| Current - Output | 3A |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 7V |
| Voltage Dropout (Max) | 1.2V @ 3A |
| Current - Supply (Max) | 15 mA |
| Current - Quiescent (Iq) | 9 mA |
| Voltage - Output (Min/Fixed) | 3.3V |
Request a Quote
Submit your quantity and details — we will reply within 24 hours.