UC2844BDR2G The ON Semiconductor UC2844BDR2G is a high-performance current mode PWM controller designed for off-line and DC-DC converter applications. It operates with a voltage range of 10V to 36V and a frequency up to 500kHz.
Mfr Part #:

UC2844BDR2G

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor UC2844BDR2G is a high-performance current mode PWM controller designed for off-line and DC-DC converter applications. It operates with a voltage range of 10V to 36V and a frequency up to 500kHz.
✓ Total Stock: 4,773 pcs
$ Price Range: $0.78

UC2844BDR2G 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
3,600 pcs
3600 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
1,173 pcs
1173 pcs On Request 1 On Request On Request On Request On Request On Request

UC2844BDR2G 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
Output Configuration
Output Phases
Output Type
Supplier Device Package
Synchronous Rectifier
Topology
Voltage

UC2844BDR2G Description

Short technical summary and product information.

The UC2844BDR2G from ON Semiconductor is a fixed-frequency, current-mode controller optimized for off-line and DC-DC converter applications. It offers a cost-effective solution with minimal external components. This integrated circuit features an oscillator, a temperature-compensated reference, a high-gain error amplifier, a current-sensing comparator, and a high-current totem pole output suitable for driving power MOSFETs.

 

Key electrical specifications include an operating voltage range of 10V to 36V, a maximum duty cycle of 48%, and an operating frequency of up to 500kHz. The device supports Boost and Flyback topologies and functions as a Transistor Driver for positive, isolation-capable outputs.

 

Designed for surface mounting, the UC2844BDR2G comes in a 14-SOIC package. It operates within a temperature range of -25°C to 85°C. Protective features include undervoltage lockout with hysteresis and cycle-by-cycle current limiting.

 

This controller is well-suited for applications requiring precise frequency control and efficient power conversion. Its robust design and integrated features make it a versatile choice for various power supply designs.

UC2844BDR2G Quick Information

Product Type: Switching Controller
Canonical Name: UC2844BDR2G Current Mode Controller
Subcategory: DC DC Switching Controllers

UC2844BDR2G Compliance

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

UC2844BDR2G Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

UC2844BDR2G Features

  • High performance current mode controller.
  • Operates at 10V to 36V input voltage.
  • Frequency up to 500kHz.
  • Surface mount 14-SOIC package.
  • Suitable for Boost and Flyback topologies.

UC2844BDR2G Applications

  • Used in DC-DC converters.
  • Ideal for off-line power supplies.
  • Supports isolated power designs.
  • Efficient power management applications.

UC2844BDR2G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the UC2844BDR2G?

The operating voltage range is 10V to 36V.

What is the maximum operating frequency of the UC2844BDR2G?

The operating frequency can be up to 500kHz.

What is the maximum duty cycle for this PWM controller?

The maximum duty cycle is 48%.

What is the operating temperature range?

The operating temperature range is -25°C to 85°C.

What package type is the UC2844BDR2G available in?

It is available in a 14-SOIC package.

Does the UC2844BDR2G support synchronous rectification?

No, it does not support synchronous rectification.

What control features are included in the UC2844BDR2G?

It includes frequency control.

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