LP3985IBP-3.1
- Mfr.Part #
- LP3985IBP-3.1
- Manufacturer
- National Semiconductor
- Package / Case
- 5-WFBGA, DSBGA
- Datasheet
- Download
- Description
- IC REG LINEAR 3.1V 150MA 5DSBGA
- Stock
- 17,103
- In Stock :
- 17,103
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- Manufacturer :
- National Semiconductor
- Product Category :
- Voltage Regulators - Linear
- Base Part Number :
- LP3985
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Output Voltage 1 :
- 3.1V
- Number of Functions :
- 1
- Voltage Dropout (Max) :
- 0.1V @ 150mA
- Output Configuration :
- Positive
- RoHS Status :
- ROHS3 Compliant
- Number of Regulators :
- 1
- Terminal Form :
- Ball
- Packaging :
- Tape and Reel (TR)
- Mount :
- Surface Mount
- Peak Reflow Temperature (Cel) :
- 260
- Number of Terminations :
- 5
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Terminal Position :
- BOTTOM
- Current - Supply (Max) :
- 250μA
- Package / Case :
- 5-WFBGA, DSBGA
- Output Type :
- FIXED
- Voltage Tolerance-Max :
- 3%
- Output Voltage :
- 3.1V
- Voltage - Input (Max) :
- 6V
- Min Current Limit :
- 300mA
- Lead Free :
- Contains Lead
- Qualification Status :
- Not Qualified
- PSRR :
- 50dB ~ 40dB (1kHz ~ 10kHz)
- Current - Quiescent (Iq) :
- 150μA
- Mounting Type :
- Surface Mount
- Dropout Voltage :
- 60mV
- Control Features :
- Enable
- Number of Pins :
- 5
- Dropout Voltage1-Nom :
- 0.06V
- Operating Temperature :
- -40°C~125°C
- Packing Method :
- Tape and Reel
- Number of Outputs :
- 1
- Current - Output :
- 150mA
- JESD-609 Code :
- e0
- Protection Features :
- Over Current, Over Temperature, Short Circuit
- ECCN Code :
- EAR99
- Terminal Finish :
- Tin/Lead (Sn63Pb37)
- Datasheets
- LP3985IBP-3.1

Voltage Regulators - Linear National Semiconductor LP3985IBP-3.1 Overview
The Voltage Regulator LP3985IBP-3.1, manufactured by National Semiconductor, is a high-performance integrated circuit designed to deliver precise and stable voltage regulation for various electronic applications. With its compact 5-DSBGA package and exceptional efficiency, this regulator is an ideal choice for demanding electronic systems where space-saving and power efficiency are paramount.
Featuring advanced linear regulation technology, the LP3985IBP-3.1 ensures minimal output voltage deviation even under dynamic load conditions, providing reliable power supply solutions for a wide range of industrial and consumer electronics.
LP3985IBP-3.1 Features
- High accuracy and stability: The LP3985IBP-3.1 offers precise voltage regulation with minimal output voltage deviation, ensuring stable operation of electronic devices.
- Low dropout voltage: With a low dropout voltage of only 150mV at 150mA load, this regulator maximizes efficiency and extends battery life in portable applications.
- Wide input voltage range: Supporting input voltages from 2.5V to 6.5V, the LP3985IBP-3.1 accommodates various power sources, making it suitable for diverse electronic systems.
- Thermal shutdown and current limit protection: Integrated thermal shutdown and current limit protection mechanisms safeguard the regulator and downstream components from overcurrent and overtemperature conditions, enhancing system reliability.
- Compact 5-DSBGA package: The small footprint and low profile of the 5-DSBGA package enable space-efficient PCB layout and facilitate integration into space-constrained designs.
LP3985IBP-3.1 Applications
- Industrial automation: The LP3985IBP-3.1 is commonly used in industrial automation systems to provide stable voltage rails for microcontrollers, sensors, and actuators, ensuring reliable operation in harsh environments.
- Portable electronic devices: This voltage regulator is well-suited for portable electronic devices such as smartphones, tablets, and wearable gadgets, where power efficiency and compact form factor are essential for prolonged battery life and user convenience.
- Wireless communication systems: In wireless communication systems, the LP3985IBP-3.1 delivers precise voltage regulation to critical components such as RF modules, ensuring optimal performance and signal integrity.
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