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TL2843P The Texas Instruments TL2843P is a current mode PWM controller designed for off-line and DC-to-DC converters. It features a wide operating voltage range and high switching frequency.
Mfr Part #:

TL2843P

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TL2843P is a current mode PWM controller designed for off-line and DC-to-DC converters. It features a wide operating voltage range and high switching frequency.
✓ Total Stock: 16,581 pcs
$ Price Range: $0.74

TL2843P Available from 3 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
7,898 pcs
On Request
7898 pcs On Request 1 On Request On Request 16+ On Request On Request
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
6,898 pcs
On Request
6898 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
1,785 pcs
On Request
1785 pcs On Request 1 On Request On Request 10+ 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.

TL2843P Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
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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TL2843P Description

Short technical summary and product information.

The TL2843P from Texas Instruments is an 8-pin PDIP current mode PWM controller. It is optimized for off-line and DC-to-DC converters, supporting topologies such as Boost, Flyback, and Forward.

 

This controller operates with a voltage range of 7.6V to 30V and can achieve a maximum duty cycle of 97%. It supports adjustable switching frequencies up to 500kHz and includes features like frequency control, pulse-by-pulse current limiting, and undervoltage lockout with hysteresis. The device is designed for through-hole mounting.

 

Key internal circuits include an error amplifier and a bandgap reference. The TL2843P is designed to be interchangeable with UC2842 and UC3842 series controllers, offering features necessary for implementing fixed-frequency current-mode control schemes with minimal external components.

TL2843P Quick Information

Product Type: DC DC Switching Controller
Canonical Name: TL2843P Current Mode PWM Controller
Subcategory: Power Management ICs

TL2843P Compliance

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

TL2843P Estimated Pricing

Qty Low High
1+ $0.74 $0.74

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

TL2843P Features

  • Current mode PWM controller for converters.
  • Supports Boost, Flyback, and Forward topologies.
  • Wide 7.6V to 30V operating voltage range.
  • Up to 500kHz switching frequency.
  • Through-hole mounting in 8-PDIP package.

TL2843P Applications

  • Off-line AC-DC converter control
  • DC-DC boost converter regulation
  • Flyback converter power supply
  • Forward converter switching control
  • Fixed-frequency current-mode PWM control

TL2843P FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the TL2843P?

The TL2843P operates within a voltage range of 7.6V to 30V.

What is the maximum duty cycle of the TL2843P?

The maximum duty cycle for the TL2843P is 97%.

What is the operating temperature range for the TL2843P?

The TL2843P operates between -40°C and 85°C.

What package type is the TL2843P available in?

The TL2843P is available in an 8-PDIP package.

How is the TL2843P mounted?

The TL2843P is designed for through-hole mounting.

What topologies does the TL2843P support?

The TL2843P supports Boost, Flyback, and Forward topologies.

What is the switching frequency of the TL2843P?

The TL2843P supports switching frequencies up to 500kHz.

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