LP3981IMM-3.03
- Mfr.Part #
- LP3981IMM-3.03
- Manufacturer
- National Semiconductor
- Package / Case
- 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
- Datasheet
- Download
- Description
- LP3981 MICROPOWER, 300MA ULTRA L
- Stock
- 8,000
- In Stock :
- 8,000
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- Manufacturer :
- National Semiconductor
- Product Category :
- Voltage Regulators - Linear
- RoHS Status :
- Non-RoHS Compliant
- Quiescent Current :
- 70µA
- Output Voltage :
- 3.03V
- Max Output Current :
- 300mA
- JESD-609 Code :
- e0
- Output Voltage 1 :
- 3.03V
- Accuracy :
- 2 %
- Mount :
- Surface Mount
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Number of Regulators :
- 1
- ECCN Code :
- EAR99
- Package / Case :
- 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
- Terminal Pitch :
- 0.65mm
- Number of Pins :
- 8
- Width :
- 3mm
- Current - Quiescent (Iq) :
- 120μA
- Output Configuration :
- Positive
- Control Features :
- Enable
- Length :
- 3mm
- Input Voltage Absolute-Max :
- 6.5V
- Terminal Form :
- Gull wing
- Terminal Position :
- Dual
- Number of Outputs :
- 1
- Voltage Dropout (Max) :
- 0.2V @ 300mA
- Base Part Number :
- LP3981
- Current - Supply (Max) :
- 210μA
- Output Type :
- FIXED
- Lead Free :
- Contains Lead
- PSRR :
- 50dB ~ 55dB (1kHz ~ 10kHz)
- Packing Method :
- TR
- Thickness :
- 970μm
- Pin Count :
- 8
- Dropout Voltage :
- 132mV
- Peak Reflow Temperature (Cel) :
- 260
- Lifecycle Status :
- NRND (Last Updated: 2 days ago)
- Voltage - Input (Max) :
- 6V
- Packaging :
- Tape and Reel (TR)
- Protection Features :
- Over Current, Over Temperature, Short Circuit
- Min Current Limit :
- 300mA
- Number of Functions :
- 1
- Radiation Hardening :
- No
- Voltage Tolerance-Max :
- 3%
- Min Input Voltage :
- 2.7V
- Terminal Finish :
- Tin/Lead (Sn/Pb)
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Dropout Voltage1-Nom :
- 0.132V
- Operating Temperature :
- -40°C~125°C
- Height :
- 1.07mm
- Max Power Dissipation :
- 476mW
- Mounting Type :
- Surface Mount
- Number of Terminations :
- 8
- Datasheets
- LP3981IMM-3.03

[Voltage Regulators - Linear] National Semiconductor LP3981IMM-3.03 Overview
The National Semiconductor LP3981IMM-3.03 is a high-performance micropower voltage regulator designed to meet the stringent requirements of portable and battery-powered devices. This ultra-low quiescent current regulator offers an output current of 300mA, making it ideal for applications where power efficiency and space are critical.
With its compact design and superior performance, the LP3981IMM-3.03 is tailored for demanding applications in various industries, ensuring reliable and efficient power management.
LP3981IMM-3.03 Features
- Ultra-low quiescent current
- 300mA output current capability
- Compact micro SMD package
- High PSRR (Power Supply Rejection Ratio)
- Low output noise
- Low dropout voltage
- Wide input voltage range
- Thermal shutdown and current limit protection
LP3981IMM-3.03 Applications
- Portable Consumer Electronics: The LP3981IMM-3.03 is well-suited for powering various portable electronic devices such as smartphones, tablets, and portable media players. Its ultra-low quiescent current and compact package make it ideal for prolonging battery life and optimizing space in these applications.
- Wireless Communication Systems: In wireless communication systems including IoT devices, the LP3981IMM-3.03 ensures stable and efficient power management. Its high PSRR and low output noise characteristics make it suitable for maintaining signal integrity and minimizing interference in RF circuits.
- Medical Devices: The LP3981IMM-3.03 finds application in medical devices where reliable and precise power regulation is crucial. Its low dropout voltage and thermal shutdown protection ensure safe operation in sensitive medical equipment, such as portable patient monitors and infusion pumps.
- Industrial Automation: For industrial automation systems requiring robust power regulation, the LP3981IMM-3.03 offers dependable performance and space-saving benefits. Its wide input voltage range and current limit protection make it suitable for powering sensors, actuators, and control circuits in industrial environments.
- Automotive Electronics: In automotive applications, the LP3981IMM-3.03 provides efficient power management for various onboard systems such as infotainment systems, navigation devices, and advanced driver assistance systems (ADAS). Its compact form factor and thermal protection ensure reliable operation in the challenging automotive environment.
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