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UC3844BD1 The STMicroelectronics UC3844BD1 is a DC DC Switching Controller designed for step-up and step-up/step-down applications. It operates within a voltage range of 10V to 30V and features a Boost, Flyback topology.
Mfr Part #:

UC3844BD1

Available from 4 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics UC3844BD1 is a DC DC Switching Controller designed for step-up and step-up/step-down applications. It operates within a voltage range of 10V to 30V and features a Boost, Flyback topology.
✓ Total Stock: 13,596 pcs
$ Price Range: $0.78

UC3844BD1 Available from 4 distributors

✓ Authorised
✓ Non-Authorised
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.

UC3844BD1 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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UC3844BD1 Description

Short technical summary and product information.

The STMicroelectronics UC3844BD1 is a versatile DC DC Switching Controller. It is designed for applications requiring step-up or step-up/step-down voltage conversion, utilizing Boost and Flyback topologies. This controller operates within a wide voltage range of 10V to 30V, making it suitable for various power management needs.

 

With a maximum duty cycle of 48% and a frequency control feature, the UC3844BD1 offers flexibility in design. It provides a transistor driver output and is capable of positive, isolation configurations. The device operates within a temperature range of 0°C to 70°C (TJ).

 

Packaged in an 8-SOIC surface mount configuration, the UC3844BD1 is designed for efficient integration into electronic circuits. Its standard package is the 8-SOIC (0.154", 3.90mm Width).

UC3844BD1 Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UC3844BD1 DC DC Switching Controller
Subcategory: Power Management

UC3844BD1 Compliance

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

UC3844BD1 Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

UC3844BD1 Features

  • DC DC Switching Controller for power management.
  • Supports Boost and Flyback topologies.
  • Operates from 10V to 30V supply voltage.
  • Surface mount 8-SOIC package.
  • 0°C to 70°C operating temperature range.

UC3844BD1 Applications

  • Suitable for step-up voltage conversion.
  • Used in step-up/step-down applications.
  • Ideal for isolated power supplies.
  • Designed for frequency control circuits.

UC3844BD1 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the UC3844BD1?

10V to 30V.

What is the operating temperature range?

0°C to 70°C.

What package is the UC3844BD1 available in?

8-SOIC (0.154", 3.90mm Width) surface-mount package.

What topologies does the UC3844BD1 support?

Boost and flyback.

What is the maximum duty cycle?

48%.

What is the switching frequency?

Up to 500kHz.

What is the output type?

Transistor driver.

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