UC2843BDR2G The ON Semiconductor UC2843BDR2G is a high-performance current mode controller designed for DC-DC converter applications. It operates within a voltage range of 7.6V to 30V and supports frequencies up to 500kHz.
Mfr Part #:

UC2843BDR2G

Available from 4 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor UC2843BDR2G is a high-performance current mode controller designed for DC-DC converter applications. It operates within a voltage range of 7.6V to 30V and supports frequencies up to 500kHz.
✓ Total Stock: 39,803 pcs
$ Price Range: $0.78

UC2843BDR2G Available from 4 distributors

✓ Authorised
✓ Non-Authorised

UC2843BDR2G Specifications Quick View

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

UC2843BDR2G Description

Short technical summary and product information.

The UC2843BDR2G from ON Semiconductor is a fixed-frequency, current-mode controller designed for efficient Off-Line and DC-DC converter applications. It offers a cost-effective solution with minimal external components, featuring a trimmed oscillator for precise duty cycle control and a temperature-compensated reference.

 

Key electrical specifications include an operating voltage range of 7.6V to 30V, with UVLO thresholds of 8.5V (on) and 7.6V (off). The controller supports current mode operation up to 500kHz, with a maximum duty cycle of 96%. It includes features such as automatic feed-forward compensation and a latching PWM for cycle-by-cycle current limiting.

 

This device is housed in a 14-SOIC package, requiring surface mounting. The operating temperature range is -25°C to 85°C (TA). It is suitable for applications requiring boost or flyback topologies and offers a transistor driver output type.

 

The UC2843BDR2G is also RoHS3 compliant and Halide-Free, with an MSL of 1.

UC2843BDR2G Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UC2843BDR2G Current Mode Controller

UC2843BDR2G Compliance

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

UC2843BDR2G Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

UC2843BDR2G Features

  • High performance current mode controller.
  • Operates from 7.6V to 30V.
  • Frequency up to 500kHz.
  • Surface mount 14-SOIC package.
  • RoHS3 compliant and Halide-Free.

UC2843BDR2G Applications

  • Suitable for DC-DC converters.
  • Ideal for boost topologies.
  • Used in flyback converter designs.
  • Off-line power supply applications.

UC2843BDR2G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the UC2843BDR2G?

The operating voltage range is 7.6V to 30V.

What is the maximum operating frequency of the UC2843BDR2G?

The controller supports frequencies up to 500kHz.

What is the maximum duty cycle for the UC2843BDR2G?

The maximum duty cycle is 96%.

What is the operating temperature range for this component?

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

What package type is the UC2843BDR2G supplied in?

It is supplied in a 14-SOIC package.

Is the UC2843BDR2G RoHS compliant?

Yes, it is RoHS3 compliant.

What is the Moisture Sensitivity Level (MSL) for the UC2843BDR2G?

The MSL is 1 Unlimited.

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