L6668 The STMicroelectronics L6668 is an offline switch IC designed for Flyback topology. It operates within a voltage range of 9.4V to 22V and features a frequency of 100kHz.
Mfr Part #:

L6668

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L6668 is an offline switch IC designed for Flyback topology. It operates within a voltage range of 9.4V to 22V and features a frequency of 100kHz.
✓ Total Stock: 1,900 pcs
$ Price Range: $0.75

L6668 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
1,900 pcs
1900 pcs On Request 1 On Request On Request On Request On Request On Request

L6668 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Duty Cycle
Fault Protection
Frequency
Internal Switch(s)
Mounting Type
Operating Temperature
Output Isolation
Supplier Device Package
Topology
Voltage

L6668 Description

Short technical summary and product information.

The STMicroelectronics L6668 is an integrated circuit designed for AC/DC conversion, specifically functioning as an offline switch for Flyback topologies. It operates within an input voltage range of 9.4V to 22V and supports a duty cycle of up to 70% at a frequency of 100kHz.

 

This device is suitable for applications requiring isolated power supplies. It includes fault protection features such as current limiting, over-temperature, and over-voltage protection, along with control features like frequency control and soft start. The L6668 is available in a 16-SOIC surface mount package.

 

Key electrical characteristics include its operating temperature range of -25°C to 150°C (TJ). The IC is designed for efficient power management in various electronic systems.

L6668 Quick Information

Product Type: AC DC Converters, Offline Switches
Canonical Name: L6668 Offline Switch IC
Subcategory: Offline Switches

L6668 Compliance

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

L6668 Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

L6668 Features

  • Offline switch IC for Flyback topology.
  • Operates from 9.4V to 22V input voltage.
  • 100kHz switching frequency.
  • Surface mount 16-SOIC package.
  • Includes over-voltage and over-temperature protection.

L6668 Applications

  • Offline AC DC flyback power supplies.
  • Isolated DC DC converter designs.
  • Battery chargers with flyback topology.
  • Industrial auxiliary power supplies.
  • Consumer electronics power adapters.

L6668 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the L6668?

The L6668 operates from 9.4V to 22V.

What is the operating temperature range of the L6668?

The junction temperature range is -25°C to 150°C.

What package does the L6668 come in?

The L6668 is available in a 16-SOIC (0.154", 3.90mm Width) surface-mount package.

What switching frequency does the L6668 operate at?

The L6668 operates at 100kHz.

Does the L6668 include an internal power switch?

No, the L6668 does not include an internal switch; an external MOSFET is required.

What protection features does the L6668 have?

The L6668 includes current limiting, over-temperature, and over-voltage protection.

Is the L6668 output isolated?

Yes, the L6668 supports isolated output topology.

L6668 Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
L6668TR
L6668TR
STMicroelectronics
The STMicroelectronics L6668TR is a Switching Controller with a Flyback topology. It operates within a voltage range of 9.4V to 22V and features a 70% duty cycle.
View Part
Home
Account

Categories