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UCC3813DTR-3 Economy low power BiCMOS 1MHz current mode PWM controller from Texas Instruments. Supports boost, flyback, and forward converter topologies in an 8-SOIC package.
Mfr Part #:

UCC3813DTR-3

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
Economy low power BiCMOS 1MHz current mode PWM controller from Texas Instruments. Supports boost, flyback, and forward converter topologies in an 8-SOIC package.
✓ Total Stock: 1,565 pcs
$ Price Range: $0.80

UCC3813DTR-3 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
1,565 pcs
On Request
1565 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.

UCC3813DTR-3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Conflict Minerals
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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UCC3813DTR-3 Description

Short technical summary and product information.

The UCC3813DTR-3 is a high-speed, low-power BiCMOS current-mode PWM controller from Texas Instruments, part of the UCC3813-x family. It is designed for off-line and DC-to-DC fixed-frequency current-mode switching power supplies with minimal parts count.

 

Key specifications include a 31kHz switching frequency, 99% maximum duty cycle, and a supply voltage range of 3.6V to 12V. The device features a single transistor driver output, internal soft start, internal leading-edge blanking of the current-sense signal, and a 1A totem-pole output with 70ns typical response from current-sense to gate-drive output.

 

The controller is housed in an 8-SOIC surface-mount package and operates over a temperature range of 0°C to 70°C. It supports boost, flyback, and forward converter topologies with positive output configuration. The device shares the same pinout as the UC3842 and UC3842A device families.

UCC3813DTR-3 Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UCC3813DTR-3
Subcategory: Current Mode PWM Controller

UCC3813DTR-3 Compliance

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

UCC3813DTR-3 Estimated Pricing

Qty Low High
1+ $0.80 $0.80

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

UCC3813DTR-3 Features

  • Economy low power BiCMOS current mode PWM.
  • Operates at 31kHz switching frequency.
  • 99% maximum duty cycle capability.
  • Internal soft start and leading-edge blanking.
  • 1A totem-pole output with 70ns response.

UCC3813DTR-3 Applications

  • Used in off-line switching power supplies.
  • Ideal for DC-to-DC converter designs.
  • Suitable for boost converter topologies.
  • Used in flyback converter applications.
  • Applied in forward converter circuits.

UCC3813DTR-3 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the UCC3813DTR-3?

0°C to 70°C (TA)

What package does the UCC3813DTR-3 come in?

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

What is the supply voltage range?

3.6V to 12V

What switching frequency does the UCC3813DTR-3 operate at?

31kHz

What topologies does this controller support?

Boost, Flyback, and Forward Converter.

What is the maximum duty cycle?

99%

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