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UC3856DWTR The Texas Instruments UC3856DWTR is a current mode PWM controller designed for DC/DC switching applications. It operates within a voltage range of 7V to 40V and features adjustable switching frequency and soft start.
Mfr Part #:

UC3856DWTR

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC3856DWTR is a current mode PWM controller designed for DC/DC switching applications. It operates within a voltage range of 7V to 40V and features adjustable switching frequency and soft start.
✓ Total Stock: 52,392 pcs
$ Price Range: $2.85

UC3856DWTR Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
45,200 pcs
On Request
45200 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
6,987 pcs
On Request
6987 pcs On Request 1 On Request On Request On Request On Request On Request
Fe Components ✓
Non-Authorised Inventory information
205 pcs
On Request
205 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.

UC3856DWTR 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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UC3856DWTR Description

Short technical summary and product information.

The UC3856DWTR from Texas Instruments is a high-performance current mode PWM controller. It is designed for a wide range of DC/DC switching applications, supporting multiple topologies including Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, and Push-Pull.

 

This controller operates with an input voltage range of 7V to 40V and features an adjustable switching frequency up to 200kHz. Key control features include Enable, Frequency Control, and Soft Start, along with current limiting capabilities. The device is suitable for applications requiring precise power management and regulation.

 

The UC3856DWTR is available in a 16-SOIC package, designed for surface mount applications. It operates within an ambient temperature range of 0°C to 70°C. This part is a high-performance version of the UC3846 series, offering improved current sense amplifier performance and accurate deadband control.

UC3856DWTR Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UC3856DWTR Current Mode PWM Controller
Subcategory: Power Management ICs

UC3856DWTR Compliance

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

UC3856DWTR Estimated Pricing

Qty Low High
1+ $2.85 $2.85

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

UC3856DWTR Features

  • Current mode PWM controller for DC/DC.
  • Operates from 7V to 40V input.
  • Adjustable switching frequency up to 200kHz.
  • Supports multiple power supply topologies.
  • Surface mount 16-SOIC package.

UC3856DWTR Applications

  • Used in DC/DC power supplies.
  • Suitable for multi-topology designs.
  • Power management applications.
  • Switching regulator circuits.

UC3856DWTR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the UC3856DWTR?

The UC3856DWTR operates within a voltage range of 7V to 40V.

What is the maximum switching frequency of the UC3856DWTR?

The maximum switching frequency for the UC3856DWTR is 200kHz.

What is the maximum duty cycle for the UC3856DWTR?

The maximum duty cycle for the UC3856DWTR is 47%.

What is the operating temperature range for the UC3856DWTR?

The UC3856DWTR operates in a temperature range of 0°C to 70°C.

What package type is the UC3856DWTR available in?

The UC3856DWTR is available in a 16-SOIC package.

What control features are available on the UC3856DWTR?

The UC3856DWTR features Enable, Frequency Control, and Soft Start.

What power supply topologies does the UC3856DWTR support?

The UC3856DWTR supports Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, and Push-Pull topologies.

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