LP3966ES-3.3
- Mfr.Part #
- LP3966ES-3.3
- Manufacturer
- National Semiconductor
- Package / Case
- TO-263-6, D2Pak (5 Leads + Tab), TO-263BA
- Datasheet
- Download
- Description
- LP3966 3A FAST ULTRA LOW DROPOUT
- Stock
- 4,116
- In Stock :
- 4,116
Request A Quote(RFQ)
- * Fullname:
- * Company:
- * E-Mail:
- Phone:
- Comment:
- * Quantity:
- Manufacturer :
- National Semiconductor
- Product Category :
- Voltage Regulators - Linear
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Number of Outputs :
- 1
- Height :
- 4.83mm
- Control Features :
- Enable
- Terminal Position :
- Single
- Voltage Dropout (Max) :
- 1.2V @ 3A
- Width :
- 8.42mm
- Output Type :
- FIXED
- Max Output Current :
- 3A
- Terminal Form :
- Gull wing
- Packaging :
- Tube
- RoHS Status :
- Non-RoHS Compliant
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Min Input Voltage :
- 2.5V
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Quiescent Current :
- 5mA
- Accuracy :
- 1.5 %
- Number of Pins :
- 5
- Length :
- 10.16mm
- Output Configuration :
- Positive
- Voltage Tolerance-Max :
- 3%
- Voltage - Input (Max) :
- 7V
- ECCN Code :
- EAR99
- Current - Quiescent (Iq) :
- 9mA
- Pin Count :
- 4
- Dropout Voltage1-Nom :
- 0.8V
- Peak Reflow Temperature (Cel) :
- 235
- Operating Temperature :
- -40°C~125°C
- Mounting Type :
- Surface Mount
- Lead Free :
- Contains Lead
- Protection Features :
- Over Current, Over Temperature, Short Circuit
- Dropout Voltage :
- 800mV
- Package / Case :
- TO-263-6, D2Pak (5 Leads + Tab), TO-263BA
- Current Rating :
- 3kA
- Number of Regulators :
- 1
- Reach Compliance Code :
- not_compliant
- Mount :
- Surface Mount
- Number of Functions :
- 1
- Thickness :
- 4.58mm
- Output Voltage :
- 3.3V
- Lifecycle Status :
- NRND (Last Updated: 1 week ago)
- Number of Terminations :
- 5
- Min Current Limit :
- 4A
- JESD-609 Code :
- e0
- Base Part Number :
- LP3966
- Output Voltage 1 :
- 3.3V
- Current - Supply (Max) :
- 15mA
- Qualification Status :
- Not Qualified
- Output Voltage Accuracy :
- 1.5 %
- Datasheets
- LP3966ES-3.3
LP3966ES-3.3 Documents

Voltage Regulators - Linear National Semiconductor LP3966ES-3.3 Overview
The LP3966ES-3.3 by National Semiconductor is a high-performance voltage regulator designed for demanding industrial applications. With its ultra-low dropout voltage and fast response time, this regulator ensures stable and reliable power supply even in challenging environments.
Manufactured with precision and quality, the LP3966ES-3.3 is a trusted solution for engineers and manufacturers seeking dependable voltage regulation in their designs. Whether for powering sensitive electronic components or driving motors and actuators, this regulator excels in providing clean and consistent power.
LP3966ES-3.3 Features
- 3A output current capability
- Ultra-low dropout voltage: 340mV (typical) at 3A
- Fast transient response
- Wide input voltage range: 2.5V to 7V
- High PSRR: 75dB at 1kHz
- Low quiescent current: 75μA (typical)
- Thermal shutdown and current limit protection
- Fixed output voltage of 3.3V
LP3966ES-3.3 Applications
- Industrial Automation: The LP3966ES-3.3 is ideal for powering microcontrollers, sensors, and communication modules in industrial automation systems, ensuring stable operation even in harsh industrial environments.
- Telecommunications Equipment: In telecommunications infrastructure such as base stations and networking devices, the LP3966ES-3.3 provides clean and reliable power to critical components, enhancing system performance and reliability.
- Test and Measurement Instruments: For precise and accurate measurements in test and measurement instruments, the LP3966ES-3.3 delivers consistent voltage output, minimizing noise and interference for accurate readings.
You may place an order without registering to Chip IC. We strongly recommend that you log in before purchasing as you can track your order at any time.
RFQ (Request for Quotations)It is recommended to send RFQ to get the latest prices and stock availability about the part.Our sales will reply to your inquiry within 24 hours.
Payment MethodFor your convenience, we accept multiple payment methods in USD, Such as:PayPal, Credit Card, and wire transfer.
IMPORTANT NOTICEYou may place an order without registering to 1. You'll receive an order confirmations by e-mail soon . (Please remember to check the spam box if you didn't hear from us). 2. Since stock availability and prices may change at any time, the sales will reconfirm the order details and update you at soonest time.
Most of our products are shipped via FEDEX,DHL,UPS and SF EXPRESS...
Shipping CostShipping Cost starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.).If customer have shipping account, we can make shipment under customer’s shipping account with freight collect directly.
The basic freight (for package ≤0.5 KG ) depends on the time zones and countries
Once the goods are shipped, estimated delivery time depends on the shipping methods you chose. You can track it by the tracking no.
















