LM2990S5.0 The LM2990S5.0 from Texas Instruments is a negative linear voltage regulator with a fixed -5V output. It delivers over 1A output current and features a low dropout voltage of 0.6V typical.
Mfr Part #:

LM2990S5.0

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The LM2990S5.0 from Texas Instruments is a negative linear voltage regulator with a fixed -5V output. It delivers over 1A output current and features a low dropout voltage of 0.6V typical.
✓ Total Stock: 62 pcs
$ Price Range: $2.41

LM2990S5.0 Available from 2 distributors

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✓ Non-Authorised
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44 pcs
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18 pcs
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LM2990S5.0 Specifications Quick View

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LM2990S5.0 Description

Short technical summary and product information.

The LM2990S5.0 is a negative fixed-output low-dropout (LDO) voltage regulator designed by Texas Instruments. It accepts an input voltage range of -26 V to -6 V and provides a regulated -5 V output with a typical accuracy of 5%. The regulator can supply output current in excess of 1 A, making it suitable for medium-power negative rail applications. The dropout voltage is typically 0.6 V at 1 A load and has a guaranteed maximum of 1 V over the full operating temperature range. Quiescent current is typically 1 mA at 1 A load when the input-output differential exceeds 3 V. The device is housed in a TO-263 (KTT) surface-mount package and operates over a temperature range of -40°C to 125°C.

LM2990S5.0 Quick Information

Product Type: Linear Voltage Regulator
Series: LM2990
Canonical Name: LM2990S5.0 Negative Fixed Output LDO Voltage Regulator
Subcategory: Linear Voltage Regulators

LM2990S5.0 Compliance

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

LM2990S5.0 Estimated Pricing

Qty Low High
1+ $2.41 $2.41

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

LM2990S5.0 Features

  • Provides fixed -5 V output voltage.
  • Output current greater than 1 A.
  • Dropout voltage typically 0.6 V.
  • Quiescent current only 1 mA typical.
  • Operating temperature range -40 to 125°C.

LM2990S5.0 Applications

  • Used for negative voltage regulation in systems.
  • Ideal for bipolar analog circuits requiring -5V.
  • Suitable for industrial and automotive applications.
  • Compatible with surface mount PCB designs.

LM2990S5.0 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LM2990S5.0?

-26 V to -6 V.

What output voltage does the LM2990S5.0 provide?

Fixed -5 V.

What is the maximum output current?

Over 1 A.

What is the dropout voltage?

Typically 0.6 V at 1 A load, with a maximum of 1 V over temperature.

What is the quiescent current?

Typically 1 mA at 1 A load.

What is the operating temperature range?

-40°C to 125°C.

What package is the LM2990S5.0 available in?

TO-263 (KTT) surface mount package.

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