TL2844D The Texas Instruments TL2844D is a current mode PWM controller designed for off-line and DC-to-DC converters. It operates up to 500kHz and comes in a 14-SOIC package.
Mfr Part #:

TL2844D

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TL2844D is a current mode PWM controller designed for off-line and DC-to-DC converters. It operates up to 500kHz and comes in a 14-SOIC package.
✓ Total Stock: 90,510 pcs
$ Price Range: $0.68

TL2844D Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
90,400 pcs
90400 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
110 pcs
110 pcs On Request 1 On Request On Request 08+ On Request On Request

TL2844D 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
Supplier Package
Synchronous Rectifier
Topology
Voltage

TL2844D Description

Short technical summary and product information.

The TL2844D from Texas Instruments is an economy single-ended, current mode PWM controller suitable for off-line and DC-to-DC converter applications. It features a 500kHz operating frequency and a maximum duty cycle of 48%.

 

Key internal circuits include an undervoltage lockout (UVLO) with hysteresis, a low start-up current of less than 1mA, and automatic feed-forward compensation. It also provides pulse-by-pulse current limiting, enhanced load-response characteristics, and double-pulse suppression. The device includes a high-current totem-pole output stage, suitable for driving N-channel MOSFETs, and an internally trimmed bandgap reference.

 

This controller is designed for a voltage range of 10V to 30V and operates within an ambient temperature range of -40°C to 85°C. The TL2844D is packaged in a 14-SOIC (Surface Mount) package and is designed to be interchangeable with the UC2842 and UC3842 series.

 

Its features make it a versatile component for implementing fixed-frequency current-mode control schemes with a minimal number of external components.

TL2844D Quick Information

Product Type: DC DC Switching Controller
Series: TL284x
Canonical Name: TL2844D Current Mode PWM Controller
Subcategory: Current Mode PWM Controllers

TL2844D Compliance

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

TL2844D Estimated Pricing

Qty Low High
1+ $0.68 $0.68

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

TL2844D Features

  • Current mode PWM controller for converters.
  • Operates up to 500kHz frequency.
  • Undervoltage lockout with hysteresis.
  • Pulse-by-pulse current limiting feature.
  • Interchangeable with UC2842/UC3842 series.

TL2844D Applications

  • Ideal for offline and DC-DC power supply designs.
  • Suitable for telecom and industrial power converters.
  • Used in battery charging and LED lighting applications.
  • Applicable for distributed power architectures.
  • Compatible with flyback and forward converter configurations.

TL2844D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the TL2844D?

The TL2844D operates from 10V to 30V.

What is the operating temperature range?

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

What package does the TL2844D come in?

The TL2844D is available in a 14-SOIC package (0.154", 3.90mm Width) for surface mount assembly.

What is the maximum switching frequency?

The maximum switching frequency is up to 500kHz.

What topologies does the TL2844D support?

The TL2844D supports boost, flyback, and forward converter topologies.

Is the TL2844D interchangeable with other PWM controllers?

Yes, the TL2844D is interchangeable with the UC2842 and UC3842 series.

Does the TL2844D have pulse-by-pulse current limiting?

Yes, the TL2844D includes pulse-by-pulse current limiting.

TL2844D Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
TL2844DR
TL2844DR
Texas Instruments
The Texas Instruments TL2844DR is a current mode PWM controller designed for off-line and DC-to-DC converters. It features a maximum duty cycle of 48% and operates up to 500kHz.
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