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UC2844BN The UC2844BN from On Semiconductor is a high-performance current mode controller designed for off-line and DC-DC converter applications. It features a fixed frequency operation up to 500kHz.
Mfr Part #:

UC2844BN

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The UC2844BN from On Semiconductor is a high-performance current mode controller designed for off-line and DC-DC converter applications. It features a fixed frequency operation up to 500kHz.
✓ Total Stock: 19,418 pcs
$ Price Range: $0.78

UC2844BN Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
11,900 pcs
On Request
11900 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
7,518 pcs
On Request
7518 pcs On Request 1 On Request On Request 13 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.

UC2844BN 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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UC2844BN Description

Short technical summary and product information.

The UC2844BN is a high-performance, fixed-frequency current mode controller from On Semiconductor, suitable for off-line and DC-DC converter applications. It offers a cost-effective solution with minimal external components.

 

Key electrical specifications include an operating voltage range of 10V to 36V and an operating frequency of up to 500kHz. The controller supports various topologies such as Boost and Flyback, with a maximum duty cycle of 48%. It features frequency control for precise operation.

 

This device is available in an 8-pin DIP (Dual In-line Package) with through-hole mounting. The operating temperature range is -25°C to 85°C (TA). The UC2844BN is designed to drive a power MOSFET and includes features like undervoltage lockout with hysteresis and cycle-by-cycle current limiting.

 

It is designed for applications requiring efficient power conversion, offering features like automatic feed-forward compensation and a latching PWM for cycle-by-cycle current limiting. The output is a transistor driver, capable of positive and isolation configurations.

UC2844BN Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UC2844BN Current Mode Controller
Subcategory: DC DC Switching Controllers

UC2844BN Compliance

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

UC2844BN Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

UC2844BN Features

  • High performance current mode controller.
  • Operates from 10V to 36V supply.
  • Frequency up to 500kHz.
  • 8-DIP package for through-hole mounting.
  • Wide operating temperature range.

UC2844BN Applications

  • Ideal for off-line converters.
  • Suitable for DC-DC converters.
  • Supports Boost topology.
  • Supports Flyback topology.

UC2844BN FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the UC2844BN?

The operating voltage range is 10V to 36V.

What is the maximum operating frequency of the UC2844BN?

The operating frequency is up to 500kHz.

What is the maximum duty cycle for the UC2844BN?

The maximum duty cycle is 48%.

What is the operating temperature range for the UC2844BN?

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

What type of package is the UC2844BN available in?

The UC2844BN is available in an 8-DIP (0.300", 7.62mm) package.

What mounting type does the UC2844BN support?

The UC2844BN supports through-hole mounting.

What topologies does the UC2844BN support?

The UC2844BN supports Boost and Flyback topologies.

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