UC2845AN The Texas Instruments UC2845AN is a peak current mode PWM controller designed for DC-DC converters. It operates within a voltage range of 7.6V to 30V and supports frequencies up to 500kHz.
Mfr Part #:

UC2845AN

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC2845AN is a peak current mode PWM controller designed for DC-DC converters. It operates within a voltage range of 7.6V to 30V and supports frequencies up to 500kHz.
Total Stock: 2,001 pcs
$ Price Range: $0.70

UC2845AN Available from 2 distributors

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

UC2845AN Specifications Quick View

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

UC2845AN Description

Short technical summary and product information.

The UC2845AN from Texas Instruments is a versatile current-mode PWM controller optimized for offline and DC-DC converters. It features a wide operating voltage range from 7.6V to 30V and supports adjustable switching frequencies up to 500kHz.

 

This controller is designed for peak current mode operation and includes features such as current limiting, dead time control, and an error amplifier. The maximum duty cycle is specified at 48%. It is housed in an 8-PDIP package and is suitable for through-hole mounting.

 

The UC2845AN operates within a temperature range of -40°C to 85°C. Its low start-up current and trimmed oscillator discharge current contribute to efficient power management. The device supports multiple topologies including Boost, Buck, Flyback, and Forward configurations.

UC2845AN Quick Information

Product Type: DC DC Switching Controller
Series: UC2845A
Canonical Name: UC2845AN Current Mode PWM Controller
Subcategory: DC DC Switching Controllers

UC2845AN Compliance

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

UC2845AN Estimated Pricing

Qty Low High
1+ $0.70 $0.70

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

UC2845AN Features

  • Peak current mode PWM controller
  • 7.6V to 30V operating voltage range
  • Up to 500kHz switching frequency
  • 48% maximum duty cycle
  • 8-PDIP through-hole package

UC2845AN Applications

  • Used in DC DC converter power supplies.
  • Suitable for isolated flyback converters.
  • Ideal for forward converter designs.
  • Applicable in battery-powered systems.

UC2845AN FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the UC2845AN?

The operating voltage range is 7.6V to 30V.

What package is the UC2845AN available in?

The UC2845AN is available in an 8-DIP (0.300", 7.62mm) package, also known as 8-PDIP.

What is the operating temperature range of the UC2845AN?

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

What is the maximum switching frequency of the UC2845AN?

Up to 500kHz.

What is the maximum duty cycle of the UC2845AN?

48%.

Which topologies does the UC2845AN support?

Boost, buck, flyback, and forward.

What is the output driver current of the UC2845AN?

1A.

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