TL3843D-8 The Texas Instruments TL3843D-8 is a DC DC Switching Controller designed for various topologies including Boost and Flyback. It operates within a voltage range of 7.6V to 30V.
Mfr Part #:

TL3843D-8

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TL3843D-8 is a DC DC Switching Controller designed for various topologies including Boost and Flyback. It operates within a voltage range of 7.6V to 30V.
Total Stock: 10,676 pcs
$ Price Range: $0.58

TL3843D-8 Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
10,676 pcs
10676 pcs On Request 1 On Request On Request 18+ On Request On Request

TL3843D-8 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Control Features
Duty Cycle (Max)
Frequency
Function
Lead Spacing
Lead Style
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Phases
Output Type
SVHC Present
Supplier Device Package
Synchronous Rectifier
Topology
Voltage

TL3843D-8 Description

Short technical summary and product information.

The TL3843D-8 from Texas Instruments is a current mode PWM controller designed for off-line and DC-to-DC converters. It supports multiple topologies such as Boost, Flyback, and Forward configurations, making it versatile for power management applications.

 

This controller features a wide operating voltage range from 7.6V to 30V and can operate at frequencies up to 500kHz. The maximum duty cycle is 97%. It includes control features like frequency control and is housed in an 8-SOIC package suitable for surface mounting.

 

Key electrical characteristics include a positive output type and a single output phase. The operating temperature range is from 0°C to 70°C (TA). The device is designed for efficient power conversion with features optimized for performance and reliability in demanding applications.

TL3843D-8 Quick Information

Product Type: DC DC Switching Controller
Series: TL3843
Canonical Name: TL3843D-8 Current Mode PWM Controller
Subcategory: DC DC Switching Controllers

TL3843D-8 Compliance

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

TL3843D-8 Estimated Pricing

Qty Low High
1+ $0.58 $0.58

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

TL3843D-8 Features

  • Current mode PWM controller for power conversion.
  • Supports Boost, Flyback, and Forward topologies.
  • Operates from 7.6V to 30V input voltage.
  • Frequency up to 500kHz with 97% max duty cycle.
  • Surface mountable 8-SOIC package.

TL3843D-8 Applications

  • Used in DC-to-DC power converters.
  • Suitable for off-line power supplies.
  • Ideal for boost converter designs.
  • Applicable in flyback converter circuits.

TL3843D-8 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the TL3843D-8?

7.6V to 30V.

What is the operating temperature range?

0°C to 70°C.

What package is the TL3843D-8 available in?

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

What topologies does the TL3843D-8 support?

Boost, Flyback, and Forward.

What is the maximum switching frequency?

Up to 500kHz.

What is the maximum duty cycle?

97%.

Does the TL3843D-8 include synchronous rectification?

No.

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