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LM2990T-15 The Texas Instruments LM2990T-15 is a negative low-dropout voltage regulator with a fixed -15V output. It provides up to 1.8A of output current and operates over a wide temperature range.
Mfr Part #:

LM2990T-15

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM2990T-15 is a negative low-dropout voltage regulator with a fixed -15V output. It provides up to 1.8A of output current and operates over a wide temperature range.
✓ Total Stock: 1,176 pcs
$ Price Range: $0.28

LM2990T-15 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
1,173 pcs
On Request
1173 pcs On Request 1 On Request On Request On Request On Request On Request
Partservice ✓
Non-Authorised Inventory information
3 pcs
On Request
3 pcs On Request 1 On Request On Request On Request On Request On Request
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LM2990T-15 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Mounting Type
Number of Regulators
Operating Temperature
Output Configuration
Output Current
Output Type
Output Voltage
PSRR
Protection Features
Quiescent Current
Supplier Device Package
Supplier Package
Voltage
Voltage Dropout (Max)
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LM2990T-15 Description

Short technical summary and product information.

The LM2990T-15 is a three-terminal, low-dropout negative voltage regulator from Texas Instruments, designed for applications requiring a stable -15V output. It can supply an output current of up to 1.8A.

 

This regulator features a low quiescent current and a low dropout voltage, typically 0.6V at a 1A load, ensuring efficient power usage. The device operates within an input voltage range of -26V to -6V and maintains a fixed -15V output with 5% accuracy over the entire operating temperature range of -40°C to 125°C.

 

Protection features include internal short-circuit current limiting and thermal shutdown with hysteresis, enhancing reliability under fault conditions. The LM2990T-15 is available in a TO-220-3 package suitable for through-hole mounting.

 

Key electrical specifications include a PSRR of 52dB at 1kHz and a typical quiescent current of 1mA. The regulator is designed for applications such as post-switcher regulation, local on-card regulation, and battery-operated equipment.

LM2990T-15 Quick Information

Product Type: Linear Voltage Regulator
Canonical Name: LM2990T-15 Negative Low-Dropout Voltage Regulator
Subcategory: Low-Dropout (LDO) Regulators

LM2990T-15 Compliance

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

LM2990T-15 Estimated Pricing

Qty Low High
1+ $0.28 $0.28

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

LM2990T-15 Features

  • Fixed -15V negative output voltage.
  • High output current capability of 1.8A.
  • Low dropout voltage, typically 0.6V at 1A.
  • Wide operating temperature range: -40°C to 125°C.
  • Internal short-circuit and thermal shutdown protection.

LM2990T-15 Applications

  • Ideal for post-switcher regulation.
  • Suitable for local on-card regulation.
  • Designed for battery-operated equipment.
  • Used in dual supply systems.

LM2990T-15 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LM2990T-15?

The LM2990T-15 provides a fixed output voltage of -15V.

What is the maximum output current for the LM2990T-15?

The LM2990T-15 can supply a maximum output current of 1.8A.

What is the operating temperature range of the LM2990T-15?

The operating temperature range for the LM2990T-15 is -40°C to 125°C.

What type of package is the LM2990T-15 supplied in?

The LM2990T-15 is supplied in a TO-220-3 package.

What are the protection features of the LM2990T-15?

The LM2990T-15 includes over temperature and short circuit protection features.

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