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RT6543AGQW The RICHTEK RT6543AGQW is a DC DC Switching Controller designed for step-down applications. It operates within a 3V to 24V range and is available in a 20-WQFN package.
Mfr Part #:

RT6543AGQW

Available from 1 distributors
Mfr Name: Richtek
Richtek
The RICHTEK RT6543AGQW is a DC DC Switching Controller designed for step-down applications. It operates within a 3V to 24V range and is available in a 20-WQFN package.
✓ Total Stock: 4,737 pcs
$ Price Range: $0.78

RT6543AGQW Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
4,737 pcs
On Request
4737 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.

RT6543AGQW Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Control Features
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Phases
Output Type
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
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RT6543AGQW Description

Short technical summary and product information.

The RICHTEK RT6543AGQW is a DC DC Switching Controller belonging to the Power Management PMIC category. This component is designed for step-down (Buck) applications and features a synchronous rectifier. It operates with a voltage range of 3V to 24V and supports multiple switching frequencies including 400kHz, 600kHz, and 800kHz.

 

Key control features include Current Limit, Dead Time Control, Enable, Frequency Control, Phase Control, Power Good, and Soft Start, making it versatile for various power management designs. The device operates within a temperature range of -40°C to 125°C (TJ).

 

Packaged in a 20-WQFN (3x3) configuration, the RT6543AGQW is designed for surface mount installation. Its compact package and robust feature set make it suitable for integration into a wide array of electronic devices requiring efficient DC to DC power conversion.

RT6543AGQW Quick Information

Product Type: DC DC Switching Controller
Canonical Name: RICHTEK RT6543AGQW DC DC Switching Controller
Subcategory: Power Management (PMIC)

RT6543AGQW Compliance

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

RT6543AGQW Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

RT6543AGQW Features

  • Step-down DC DC switching controller.
  • Operates from 3V to 24V input.
  • Synchronous rectifier included.
  • Supports multiple switching frequencies.
  • Surface mount 20-WQFN package.

RT6543AGQW Applications

  • Ideal for power management circuits.
  • Suitable for compact electronic designs.
  • Used in battery-powered devices.
  • Applicable in portable electronics.

RT6543AGQW FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the RT6543AGQW?

The input voltage range is 3V to 24V.

What switching frequencies does the RT6543AGQW support?

The switching frequency is selectable at 400kHz, 600kHz, or 800kHz.

What is the operating temperature range of the RT6543AGQW?

The operating temperature range is -40°C to 125°C (junction).

What package does the RT6543AGQW come in?

It comes in a 20-WQFN exposed pad package (3x3mm).

Does the RT6543AGQW have synchronous rectification?

Yes, it features synchronous rectification.

What control features does the RT6543AGQW include?

It includes current limit, dead time control, enable, frequency control, phase control, power good, and soft start.

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