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UC2843BN The STMicroelectronics UC2843BN is a DC DC Switching Controller designed for Boost and Flyback topologies. It operates within a voltage range of 7.6V to 30V and is available in an 8-Mini DIP package for through-hole mounting.
Mfr Part #:

UC2843BN

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics UC2843BN is a DC DC Switching Controller designed for Boost and Flyback topologies. It operates within a voltage range of 7.6V to 30V and is available in an 8-Mini DIP package for through-hole mounting.
✓ Total Stock: 12,245 pcs
$ Price Range: $0.78

UC2843BN Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
11,300 pcs
On Request
11300 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
945 pcs
On Request
945 pcs On Request 1 On Request On Request 10+ 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.

UC2843BN Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Control Features
Duty Cycle (Max)
Frequency
Function
Lead Spacing
Lead Style
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Phases
Output Type
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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UC2843BN Description

Short technical summary and product information.

The UC2843BN from STMicroelectronics is a versatile DC DC Switching Controller. It supports both Step-Up and Step-Up/Step-Down functions, utilizing Boost and Flyback topologies. This device is designed to operate within a wide voltage range of 7.6V to 30V, making it suitable for various power management applications.

 

The controller features a maximum duty cycle of 96% and operates at frequencies up to 500kHz. It includes frequency control as a key feature. The UC2843BN is configured for a positive output and is isolation capable, with one output phase and no synchronous rectifier.

 

Packaged in an 8-Mini DIP format, the UC2843BN is designed for through-hole mounting. Its operating temperature range is -25°C to 85°C (TA). This component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1 Unlimited.

UC2843BN Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UC2843BN DC DC Switching Controller
Subcategory: Power Management ICs

UC2843BN Compliance

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

UC2843BN Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

UC2843BN Features

  • Supports Boost and Flyback topologies.
  • Operates from 7.6V to 30V.
  • Up to 500kHz operating frequency.
  • 8-Mini DIP package for through-hole mounting.
  • RoHS3 compliant.

UC2843BN Applications

  • Boost converter power supply designs.
  • Flyback converter isolated power supplies.
  • High step-up ratio DC-DC converters.
  • Industrial and consumer power management.

UC2843BN FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the UC2843BN?

The UC2843BN operates from 7.6V to 30V.

What topologies does the UC2843BN support?

The UC2843BN supports boost and flyback topologies.

What is the maximum switching frequency of the UC2843BN?

The maximum switching frequency is 500kHz.

What is the maximum duty cycle of the UC2843BN?

The maximum duty cycle is 96%.

What package is the UC2843BN available in?

The UC2843BN is available in an 8-DIP (0.300", 7.62mm) package, also known as 8-Mini DIP, with through-hole mounting.

What is the operating temperature range of the UC2843BN?

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

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