UC1845AY The Microchip Technology UC1845AY is a DC DC Switching Controller designed for step-up and step-down applications. It operates within a voltage range of 7.6V to 30V.
Mfr Part #:

UC1845AY

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology UC1845AY is a DC DC Switching Controller designed for step-up and step-down applications. It operates within a voltage range of 7.6V to 30V.
Total Stock: 2,000 pcs
$ Price Range: $0.78

UC1845AY Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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2,000 pcs
2000 pcs On Request 1 On Request On Request On Request On Request On Request

UC1845AY Specifications Quick View

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

UC1845AY Description

Short technical summary and product information.

The UC1845AY from Microchip Technology is a versatile DC DC Switching Controller. It supports multiple topologies including Boost, Buck, Flyback, and Forward, making it suitable for a wide range of power conversion needs.

 

This controller operates with a voltage range of 7.6V to 30V and can handle frequencies up to 500kHz. It features frequency control for precise regulation and has a maximum duty cycle of 48%. The output type is a Transistor Driver, capable of positive and isolation configurations.

 

Designed for through-hole mounting, the UC1845AY comes in an 8-CDIP (CERDIP) package. It operates reliably within an extended temperature range of -55°C to 125°C (TA).

 

This component is ideal for industrial applications, consumer electronics, and automotive electronics where efficient power management is critical.

UC1845AY Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UC1845AY DC DC Switching Controller
Subcategory: Switching Controller

UC1845AY Compliance

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

UC1845AY Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

UC1845AY Features

  • Operates from 7.6V to 30V.
  • Supports Boost, Buck, Flyback topologies.
  • Up to 500kHz switching frequency.
  • Wide -55°C to 125°C temperature range.
  • Through-hole 8-CDIP package.

UC1845AY Applications

  • Used in isolated power supply designs.
  • Suitable for telecom and industrial power systems.
  • Ideal for step-up and step-down voltage regulation.
  • Applicable in flyback converters for low power.
  • Works in forward converter topologies for medium power.

UC1845AY FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the UC1845AY?

The UC1845AY operates from 7.6V to 30V.

What is the operating temperature range?

The operating temperature range is -55°C to 125°C.

What package types are available for the UC1845AY?

The UC1845AY is available in 8-CDIP (0.300", 7.62mm) and 8-CERDIP packages.

What topologies does the UC1845AY support?

It supports boost, buck, flyback, and forward topologies.

What is the maximum duty cycle?

The maximum duty cycle is 48%.

What is the switching frequency?

The switching frequency is up to 500kHz.

Does the UC1845AY have synchronous rectification?

No, synchronous rectification is not supported.

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