UCC3813PW-4 The Texas Instruments UCC3813PW-4 is an economy low-power BiCMOS current-mode PWM controller designed for AC/DC switching power supplies. It operates up to 1MHz with a maximum duty cycle of 50%.
Mfr Part #:

UCC3813PW-4

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UCC3813PW-4 is an economy low-power BiCMOS current-mode PWM controller designed for AC/DC switching power supplies. It operates up to 1MHz with a maximum duty cycle of 50%.
✓ Total Stock: 216 pcs
$ Price Range: $1.23

UCC3813PW-4 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
216 pcs
216 pcs On Request 1 On Request On Request 19+ On Request On Request

UCC3813PW-4 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Control Features
Duty Cycle
Duty Cycle (Max)
Features
Frequency
Internal Switch(s)
Mounting Type
Operating Temperature
Output Current
Output Isolation
Response Time
Supplier Device Package
Supplier Package
Topology
Voltage

UCC3813PW-4 Description

Short technical summary and product information.

The Texas Instruments UCC3813PW-4 is a high-speed, low-power integrated circuit that provides all necessary control and drive components for off-line and DC-to-DC fixed-frequency current-mode switching power supplies. This device operates at up to 1MHz with a maximum duty cycle of 50% and features a wide operating voltage range of 8.3V to 12V.

 

Key electrical features include adjustable and fixed frequency operation, current limiting, dead time control, an error amplifier, leading-edge blanking, multi-topology support, and soft start functionality. It offers a typical starting supply current of 100µA and an operating supply current of 500µA.

 

The UCC3813PW-4 is available in an 8-TSSOP package, suitable for surface mounting. Its operating temperature range is 0°C to 70°C, with a junction temperature range of -55°C to 150°C. This IC is designed for applications requiring efficient power conversion with minimal external components.

UCC3813PW-4 Quick Information

Product Type: AC/DC Switching Regulator IC
Series: UCC3813-x
Canonical Name: UCC3813-4 Current Mode PWM Controller
Subcategory: Current Mode PWM Controllers

UCC3813PW-4 Compliance

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

UCC3813PW-4 Estimated Pricing

Qty Low High
1+ $1.23 $1.23

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

UCC3813PW-4 Features

  • Economy low power BiCMOS current mode PWM
  • Operates up to 1MHz switching frequency
  • Features internal soft start and leading-edge blanking
  • 1A totem-pole output drive
  • Suitable for Boost, Flyback, Forward, Buck topologies

UCC3813PW-4 Applications

  • Used in off-line switching power supplies
  • Suitable for DC-to-DC converters
  • Ideal for low-power applications
  • Supports multiple power supply topologies

UCC3813PW-4 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating supply voltage range of the UCC3813PW-4?

The operating supply voltage range is 8.3V to 12V.

What is the operating temperature range of the UCC3813PW-4?

The operating temperature range is 0°C to 70°C.

What package is the UCC3813PW-4 available in?

The UCC3813PW-4 is available in an 8-TSSOP surface-mount package.

What topologies does the UCC3813PW-4 support?

It supports Boost, Flyback, Forward, and Buck topologies.

What is the maximum switching frequency of the UCC3813PW-4?

The maximum switching frequency is 1MHz.

What is the maximum duty cycle of the UCC3813PW-4?

The maximum duty cycle is 50%.

Does the UCC3813PW-4 have an internal switch?

Yes, it includes an internal switch.

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