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UC3845BD1 The STMicroelectronics UC3845BD1 is a DC DC Switching Controller designed for boost and flyback topologies. It operates within a voltage range of 7.6V to 30V.
Mfr Part #:

UC3845BD1

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics UC3845BD1 is a DC DC Switching Controller designed for boost and flyback topologies. It operates within a voltage range of 7.6V to 30V.
✓ Total Stock: 13,465 pcs
$ Price Range: $0.78

UC3845BD1 Available from 3 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
7,400 pcs
On Request
7400 pcs On Request 1 On Request On Request On Request On Request On Request
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
6,000 pcs
On Request
6000 pcs On Request 1 On Request On Request On Request On Request On Request
MW.FEP S.p.A. ✓
Non-Authorised Inventory information
65 pcs
On Request
65 pcs On Request 1 On Request On Request On Request 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.

UC3845BD1 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
Supplier Package
Synchronous Rectifier
Topology
Voltage
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UC3845BD1 Description

Short technical summary and product information.

The UC3845BD1 from STMicroelectronics is a versatile DC DC Switching Controller. It supports both boost 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 and can achieve frequencies up to 500kHz, with a maximum duty cycle of 48%.

 

Featuring a transistor driver output type and frequency control, the UC3845BD1 is suitable for applications requiring precise power management. It is packaged in an 8-SOIC surface mount configuration, making it adaptable for various circuit designs. The operating temperature range is from -40°C to 150°C.

 

This controller is ideal for power supply designs where efficiency and stability are critical. Its robust specifications allow for reliable performance in demanding environments.

UC3845BD1 Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UC3845BD1 DC DC Switching Controller
Subcategory: Power Management

UC3845BD1 Compliance

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

UC3845BD1 Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

UC3845BD1 Features

  • Operates from 7.6V to 30V input voltage.
  • Supports boost and flyback topologies.
  • Maximum frequency up to 500kHz.
  • Surface mount 8-SOIC package.
  • Wide operating temperature range.

UC3845BD1 Applications

  • Boost and flyback DC-DC converters.
  • Isolated power supply designs.
  • Industrial and automotive power systems.
  • Battery-powered equipment power management.

UC3845BD1 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the UC3845BD1?

The UC3845BD1 operates from 7.6V to 30V.

What is the maximum switching frequency of the UC3845BD1?

The maximum switching frequency is 500kHz.

What is the operating temperature range of the UC3845BD1?

The operating junction temperature range is -40°C to 150°C.

What package is the UC3845BD1 available in?

The UC3845BD1 is available in an 8-SOIC surface-mount package.

What topologies does the UC3845BD1 support?

The UC3845BD1 supports boost and flyback topologies.

Does the UC3845BD1 have synchronous rectification?

No, the UC3845BD1 does not have synchronous rectification.

What is the maximum duty cycle of the UC3845BD1?

The maximum duty cycle is 48%.

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