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TL2843DR-8 The Texas Instruments TL2843DR-8 is a current mode PWM controller designed for off-line and DC-to-DC converters. It operates with a voltage range of 7.6V to 30V and a frequency up to 500kHz.
Mfr Part #:

TL2843DR-8

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TL2843DR-8 is a current mode PWM controller designed for off-line and DC-to-DC converters. It operates with a voltage range of 7.6V to 30V and a frequency up to 500kHz.
✓ Total Stock: 2,633 pcs
$ Price Range: $0.23

TL2843DR-8 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
2,594 pcs
On Request
2594 pcs On Request 1 On Request On Request 1240+ On Request On Request
Speed Components Ltd ✓
Non-Authorised Inventory information
39 pcs
On Request
39 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.

TL2843DR-8 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Clock Sync
Control Features
Duty Cycle (Max)
Frequency
Function
Industrial Grade
Lead Spacing
Lead Style
Medical Grade
Military Grade
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Phases
Output Type
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
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TL2843DR-8 Description

Short technical summary and product information.

The TL2843DR-8 from Texas Instruments is an economy single-ended, current mode PWM controller. It is optimized for off-line and DC-to-DC converter applications, requiring a minimum number of external components. This controller features a wide operating voltage range from 7.6V to 30V and operates at frequencies up to 500kHz.

 

Key electrical characteristics include a maximum duty cycle of 97% and a transistor driver output type. The device supports multiple topologies including Boost, Flyback, and Forward. It also features frequency control for precise operation.

 

The TL2843DR-8 is housed in an 8-SOIC package and is designed for surface mount applications. It operates within a temperature range of -40°C to 85°C (TA). The controller includes features such as undervoltage lockout with hysteresis and pulse-by-pulse current limiting, making it suitable for various power management designs.

TL2843DR-8 Quick Information

Product Type: DC DC Switching Controller
Canonical Name: TL2843DR-8 Current Mode PWM Controller
Subcategory: DC DC Switching Controllers

TL2843DR-8 Compliance

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

TL2843DR-8 Estimated Pricing

Qty Low High
1+ $0.23 $0.23

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

TL2843DR-8 Features

  • Current mode PWM controller for converters.
  • Operates from 7.6V to 30V input voltage.
  • Frequency up to 500kHz.
  • Surface mount 8-SOIC package.
  • Optimized for off-line and DC-to-DC applications.

TL2843DR-8 Applications

  • Used in DC-to-DC power supplies.
  • Suitable for off-line converter designs.
  • Ideal for boost topology circuits.
  • Applicable in flyback converter systems.
  • Supports forward converter configurations.

TL2843DR-8 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the TL2843DR-8?

The operating supply voltage range is 7.6V to 30V.

What package does the TL2843DR-8 come in?

The TL2843DR-8 is available in an 8-SOIC surface-mount package with a width of 3.90mm.

What is the operating temperature range of the TL2843DR-8?

The operating temperature range is -40°C to 85°C (ambient temperature).

What is the maximum switching frequency of the TL2843DR-8?

The switching frequency can be set up to 500kHz.

What is the maximum duty cycle of the TL2843DR-8?

The maximum duty cycle is 97%.

Which topologies does the TL2843DR-8 support?

The controller supports boost, flyback, and forward topologies.

What type of output does the TL2843DR-8 provide?

The output is a transistor driver, which requires an external switching transistor.

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