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L4990 The STMicroelectronics L4990 is a primary controller IC designed for off-line or DC-DC power supply applications. It operates with an input voltage range of 11V to 15V and can handle a maximum output current of 1.5A.
Mfr Part #:

L4990

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L4990 is a primary controller IC designed for off-line or DC-DC power supply applications. It operates with an input voltage range of 11V to 15V and can handle a maximum output current of 1.5A.
✓ Total Stock: 1,021 pcs
$ Price Range: $2.40

L4990 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
1,013 pcs
On Request
1013 pcs On Request 1 On Request On Request 01+ On Request On Request
Partservice ✓
Non-Authorised Inventory information
8 pcs
On Request
8 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.

L4990 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
Operating Temperature
Output Current
Supply Current
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L4990 Description

Short technical summary and product information.

The STMicroelectronics L4990 is a primary controller integrated circuit developed using BCD60II technology. It is designed for use in off-line or DC-DC power supply applications, employing a fixed frequency current mode control.

 

Key electrical specifications include a minimum input voltage of 11V and a nominal input voltage of 15V, with a maximum output current capability of 1.5A. The device has a maximum supply current of 18mA. It operates within a temperature range of 0°C to 70°C.

 

The L4990 is available in a 16-terminal DIP package. Its design is suitable for various power supply implementations requiring precise current control.

 

This component is part of STMicroelectronics' range of power management ICs, offering reliable performance for power conversion tasks.

L4990 Quick Information

Product Type: Primary Controller IC
Canonical Name: ST L4990 Primary Controller IC
Subcategory: Programmable Unijunction Transistors

L4990 Compliance

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

L4990 Estimated Pricing

Qty Low High
1+ $2.40 $2.40

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

L4990 Features

  • Primary controller IC for power supplies.
  • Fixed frequency current mode control.
  • 1.5A maximum output current.
  • 11V to 15V input voltage range.
  • 0°C to 70°C operating temperature.

L4990 Applications

  • Suitable for off-line power supplies.
  • Designed for DC-DC converters.
  • Used in power management circuits.
  • Implementation in switching regulators.

L4990 FAQs

8 frequently asked questions generated from this part’s specifications.
What is the minimum input voltage for the L4990?

The minimum input voltage is 11V.

What is the nominal input voltage for the L4990?

The nominal input voltage is 15V.

What is the maximum output current of the L4990?

The maximum output current is 1.5A.

What is the maximum supply current for the L4990?

The maximum supply current is 18mA.

What is the minimum operating temperature for the L4990?

The minimum operating temperature is 0°C.

What is the maximum operating temperature for the L4990?

The maximum operating temperature is 70°C.

What is the maximum switching frequency of the L4990?

The maximum switching frequency is 1000kHz.

What package type is the L4990 available in?

The L4990 is available in a DIP package.

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