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UC2573N The Unitrode UC2573N is a DC DC switching controller designed for step-down applications. It operates within a voltage range of 4.75V to 30V and features a maximum duty cycle of 92%.
Mfr Part #:

UC2573N

Available from 1 distributors
Mfr Name: Unitrode
Unitrode
The Unitrode UC2573N is a DC DC switching controller designed for step-down applications. It operates within a voltage range of 4.75V to 30V and features a maximum duty cycle of 92%.
✓ Total Stock: 100 pcs
$ Price Range: $0.78

UC2573N Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Hybrid Electronics ✓
Non-Authorised Inventory information
100 pcs
On Request
100 pcs On Request 1 On Request On Request 2000 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.

UC2573N Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Control Features
Duty Cycle (Max)
Frequency
Function
Lead Style
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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UC2573N Description

Short technical summary and product information.

The UC2573N from Unitrode is a DC DC switching controller designed for step-down (Buck) topology applications. It supports a wide input voltage range from 4.75V to 30V and offers a single output with a transistor driver configuration.

 

This controller operates at a frequency of 100kHz with a maximum duty cycle of 92%. It includes control features such as current limit and ramp functionality. The device is specified for an operating temperature range of -40°C to 85°C (TA).

 

The UC2573N is packaged in an 8-pin DIP (0.300", 7.62mm) format and is designed for through-hole mounting. It is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1 Unlimited.

UC2573N Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UC2573N Switching Controller
Subcategory: Power Management ICs

UC2573N Compliance

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

UC2573N Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

UC2573N Features

  • Step-down Buck topology controller.
  • Wide 4.75V to 30V input voltage.
  • 100kHz switching frequency.
  • 92% maximum duty cycle.
  • Through-hole 8-PDIP package.

UC2573N Applications

  • Power supply voltage regulation.
  • Step-down DC-DC converters.
  • Embedded system power.
  • Industrial control systems.

UC2573N FAQs

5 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the UC2573N?

The UC2573N operates from 4.75V to 30V.

What is the switching frequency of the UC2573N?

The switching frequency is 100kHz.

What is the operating temperature range of the UC2573N?

The operating temperature range is -40°C to 85°C.

What package does the UC2573N come in?

The UC2573N is available in an 8-DIP (0.300", 7.62mm) through-hole package, also known as 8-PDIP.

Does the UC2573N support synchronous rectification?

No, the UC2573N does not support synchronous rectification.

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