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UC3843ADR2G The ON Semiconductor UC3843ADR2G is a DC DC Switching Controller designed for boost and flyback topologies. It operates within a voltage range of 7.6V to 30V and supports frequencies up to 500kHz.
Mfr Part #:

UC3843ADR2G

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor UC3843ADR2G is a DC DC Switching Controller designed for boost and flyback topologies. It operates within a voltage range of 7.6V to 30V and supports frequencies up to 500kHz.
✓ Total Stock: 7,658 pcs
$ Price Range: $0.78

UC3843ADR2G Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
5,000 pcs
On Request
5000 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
2,658 pcs
On Request
2658 pcs On Request 1 On Request On Request 11+ 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.

UC3843ADR2G 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
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UC3843ADR2G Description

Short technical summary and product information.

The ON Semiconductor UC3843ADR2G is a high-performance DC DC switching controller IC. It is designed to support boost and flyback topologies, making it versatile for various power supply designs. This controller operates over a wide voltage range of 7.6V to 30V and can achieve switching frequencies up to 500kHz, with a maximum duty cycle of 96%.

 

The UC3843ADR2G features a transistor driver output and supports positive output configurations, with isolation capabilities. It includes frequency control as a key operational feature and does not utilize synchronous rectification or clock synchronization. The device is housed in a 14-SOIC package and is designed for surface mount applications.

 

This component is suitable for applications requiring efficient power conversion. Its robust operating parameters and flexible topology support make it a valuable choice for engineers designing power management solutions. The surface mount package facilitates integration into compact electronic assemblies.

UC3843ADR2G Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UC3843ADR2G DC DC Switching Controller
Subcategory: Power Management ICs

UC3843ADR2G Compliance

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

UC3843ADR2G Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

UC3843ADR2G Features

  • Operates from 7.6V to 30V input voltage.
  • Supports frequencies up to 500kHz.
  • Maximum duty cycle of 96%.
  • Suitable for boost and flyback topologies.
  • Surface mount 14-SOIC package.

UC3843ADR2G Applications

  • Used in power supply designs.
  • Suitable for boost converters.
  • Applicable for flyback converters.
  • Ideal for surface mount assemblies.

UC3843ADR2G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the UC3843ADR2G?

7.6V to 30V.

What package is the UC3843ADR2G available in?

14-SOIC (14-pin, 0.154" width, 3.90mm).

What is the operating temperature range of the UC3843ADR2G?

0°C to 70°C (TA).

What is the maximum switching frequency of the UC3843ADR2G?

Up to 500kHz.

What topologies does the UC3843ADR2G support?

Boost and flyback.

What is the maximum duty cycle of the UC3843ADR2G?

96%.

What type of output does the UC3843ADR2G provide?

Transistor driver, positive and isolation capable.

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