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LP3985IM5-3.0/NOPB The Texas Instruments LP3985IM5-3.0/NOPB is a micropower, 150mA, low-noise, ultra-low-dropout CMOS voltage regulator with a fixed 3V output. It is designed for portable and wireless applications.
Mfr Part #:

LP3985IM5-3.0/NOPB

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LP3985IM5-3.0/NOPB is a micropower, 150mA, low-noise, ultra-low-dropout CMOS voltage regulator with a fixed 3V output. It is designed for portable and wireless applications.
✓ Total Stock: 6,429 pcs
$ Price Range: $0.28

LP3985IM5-3.0/NOPB Available from 3 distributors

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Hybrid Electronics ✓
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3,547 pcs
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3547 pcs On Request 1 On Request On Request 942 On Request On Request
Smaxon Electronics ✓
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2,868 pcs
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2868 pcs On Request 1 On Request On Request 1540+5 On Request On Request
Speed Components Ltd ✓
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14 pcs
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14 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

LP3985IM5-3.0/NOPB Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Current
Lead Style
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Type
PSRR
Protection Features
Supplier Device Package
Thermal Resistance
Voltage
Voltage Dropout (Max)
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LP3985IM5-3.0/NOPB Description

Short technical summary and product information.

The LP3985IM5-3.0/NOPB from Texas Instruments is a highly efficient linear voltage regulator designed for battery-powered applications requiring low noise and low quiescent current. It provides a stable 3V output with a maximum current capability of 150mA.

 

Key electrical specifications include an input voltage range of 2.5V to 6V, a maximum dropout voltage of 100mV at 150mA load, and an ultra-low quiescent current of less than 1.5µA in shutdown mode. The regulator offers excellent power supply rejection ratio (PSRR) of 50dB at 1kHz and low output noise of 30µVrms over a 10Hz to 100kHz bandwidth.

 

This device features logic-controlled enable and protection against over-current, over-temperature, and short circuits. It is stable with ceramic or high-quality tantalum capacitors. The fast turn-on time of 200µs (typical) is beneficial for applications requiring quick power-up.

 

The LP3985IM5-3.0/NOPB is supplied in a compact SOT-23-5 (SC-74A, SOT-753) surface-mount package, making it suitable for space-constrained designs. Its operating temperature range is -40°C to 125°C.

LP3985IM5-3.0/NOPB Quick Information

Product Type: Linear Voltage Regulator
Series: LP3985
Canonical Name: Texas Instruments LP3985 Micropower, 150mA Low-Noise Ultra-Low-Dropout CMOS Voltage Regulator
Subcategory: Low-Dropout (LDO) Regulators

LP3985IM5-3.0/NOPB Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LP3985IM5-3.0/NOPB Estimated Pricing

Qty Low High
1+ $0.28 $0.28

Estimated market price range - modelled values for guidance only, not live distributor offers.

LP3985IM5-3.0/NOPB Features

  • 150mA output current capability.
  • Ultra-low dropout voltage.
  • Low output noise (30µVrms).
  • Fast turn-on time (200µs typical).
  • Compact SOT-23-5 surface-mount package.

LP3985IM5-3.0/NOPB Applications

  • Ideal for portable wireless devices.
  • Suitable for battery-powered systems.
  • Used in mobile phone applications.
  • Powers sensitive analog circuits.

LP3985IM5-3.0/NOPB FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range?

The input voltage range is 2.5V to 6V.

What is the output voltage?

The output voltage is fixed at 3V.

What is the maximum output current?

The maximum output current is 150mA.

What is the dropout voltage?

The dropout voltage is 100mV maximum at 150mA load.

What is the quiescent current?

The typical quiescent current is ≤1.5µA.

What is the operating temperature range?

The operating temperature range is -40°C to 125°C.

What package options are available?

The device is available in SOT-23-5 (SC-74A/SOT-753) surface mount package.

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