Mfr Part #:

L6566BH

The STMicroelectronics L6566BH is an offline switch IC designed for flyback topologies. It operates within a voltage range of 8V to 23V.

✓ Total Stock: 3,849 pcs

$ Price Range: $0.75

L6566BH Available from 2 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Fe Components ✓ Non-Authorised Inventory information	2,700 pcs On Request	2700 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request
Xingangxin ✓ Non-Authorised Inventory information	1,149 pcs On Request	1149 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

L6566BH Description

Short technical summary and product information.

The STMicroelectronics L6566BH is an integrated circuit designed for offline switching applications, specifically utilizing a flyback topology. This component is suitable for power supply designs requiring an isolated output.

Key electrical characteristics include an operating voltage range of 8V to 23V and a frequency range from 10kHz to 300kHz. The device features a duty cycle of 75% and includes control features such as soft start. Fault protection is provided through current limiting and overload protection.

This IC is housed in a 16-SO package and is designed for surface mount applications. The operating temperature range is -40°C to 150°C (TJ). The component is RoHS3 compliant, has an MSL rating of 1 Unlimited, and is REACH unaffected.

It is an ideal choice for designers needing a reliable offline switch for various power conversion systems.

L6566BH Quick Information

Product Type: Offline Switch

Series: L6566

Canonical Name: STMicroelectronics L6566BH Offline Switch Flyback

Subcategory: Offline Switches

L6566BH Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

L6566BH Estimated Pricing

Qty	Low	High
1+	$0.75	$0.75

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

L6566BH Features

Offline switch for flyback topology.
Operates from 8V to 23V input voltage.
Frequency range of 10kHz to 300kHz.
75% duty cycle with soft start.
Surface mount 16-SO package.

L6566BH Applications

Used in offline AC-DC flyback converters.
Ideal for switching power supply designs.
Suitable for adapter and charger circuits.
Used in auxiliary power supply applications.

L6566BH FAQs

5 frequently asked questions generated from this part’s specifications.

What is the operating voltage range of L6566BH?

8V to 23V.

What package does the L6566BH come in?

16-SO (surface mount).

What is the operating temperature range of L6566BH?

-40°C to 150°C (junction).

What is the switching frequency range of L6566BH?

10kHz to 300kHz.

What is the duty cycle of L6566BH?

75%.

L6566BH Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.

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L6566B

STMicroelectronics

The STMicroelectronics L6566B is an AC DC converter featuring a flyback topology. It operates with a supply voltage range of 8V to 23V and a switching frequency up to 300kHz.

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L6566BTR