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UCC28703DBVR The Texas Instruments UCC28703DBVR is an AC/DC switching regulator IC featuring a Flyback topology. It operates within a 9V to 35V voltage range and supports a maximum switching frequency of 130kHz.
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UCC28703DBVR

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UCC28703DBVR is an AC/DC switching regulator IC featuring a Flyback topology. It operates within a 9V to 35V voltage range and supports a maximum switching frequency of 130kHz.
✓ Total Stock: 5,450 pcs
$ Price Range: $0.49

UCC28703DBVR Available from 1 distributor

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✓ Non-Authorised
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5,450 pcs
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UCC28703DBVR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Fault Protection
Frequency
Halogen Free
Internal Switch(s)
Lead Style
Mounting Type
Operating Temperature
Operating Voltage
Output Isolation
SVHC Present
Supplier Device Package
Supplier Package
Topology
Voltage
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UCC28703DBVR Description

Short technical summary and product information.

The Texas Instruments UCC28703DBVR is an AC/DC switching regulator designed for offline power supplies. It utilizes a Flyback topology and operates in a constant-voltage, constant-current mode with primary-side regulation, eliminating the need for an opto-coupler.

 

This device supports an input voltage range of 9V to 35V and can operate at a maximum switching frequency of 130kHz, enabling high-power-density charger designs. Key features include quasi-resonant valley-switching operation for high efficiency, ±5% voltage and current regulation, and protection functions such as overvoltage, low-line, and overcurrent protection. It also includes a clamped gate-drive output for MOSFET protection.

 

The UCC28703DBVR is housed in a compact SOT-23-6 package, suitable for surface-mount applications. It offers < 30mW no-load power consumption, contributing to 5-star energy ratings. The device also features an NTC resistor interface for temperature monitoring and fixed cable compensation options.

UCC28703DBVR Quick Information

Product Type: AC/DC Switching Regulator
Series: UCC28703
Canonical Name: UCC28703 Constant-Voltage, Constant-Current Controller
Subcategory: Offline Switching Regulators

UCC28703DBVR Compliance

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

UCC28703DBVR Estimated Pricing

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1+ $0.49 $0.49

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

UCC28703DBVR Features

  • Constant-voltage, constant-current PWM controller.
  • Primary-side regulation eliminates opto-coupler.
  • ±5% voltage and current regulation.
  • 130kHz maximum switching frequency.
  • SOT-23-6 package for high-power density.

UCC28703DBVR Applications

  • Enables high-power density chargers.
  • Suitable for offline power supplies.
  • Supports energy-efficient designs.
  • Integrated protection features.

UCC28703DBVR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the UCC28703DBVR?

The operating voltage range is 9 V to 35 V.

What is the maximum switching frequency of the UCC28703DBVR?

The maximum switching frequency is 130 kHz.

What topology does the UCC28703DBVR use?

The UCC28703DBVR uses a Flyback topology.

What is the operating temperature range for this component?

The operating temperature range is -20°C to 125°C.

What package type is the UCC28703DBVR available in?

The UCC28703DBVR is available in a SOT-23-6 package.

Does the UCC28703DBVR feature primary-side regulation?

Yes, the UCC28703DBVR features primary-side regulation.

What are the fault protection features of the UCC28703DBVR?

The UCC28703DBVR includes current limiting and over voltage protection.

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