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TL3844D The Texas Instruments TL3844D is a DC DC Switching Controller designed for off-line and DC-to-DC converters. It operates with a voltage range of 10V to 30V and a frequency up to 500kHz.
Mfr Part #:

TL3844D

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TL3844D is a DC DC Switching Controller designed for off-line and DC-to-DC converters. It operates with a voltage range of 10V to 30V and a frequency up to 500kHz.
✓ Total Stock: 103,643 pcs
$ Price Range: $0.78

TL3844D Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
100,000 pcs
On Request
100000 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
3,643 pcs
On Request
3643 pcs On Request 1 On Request On Request 00+ 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.

TL3844D 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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TL3844D Description

Short technical summary and product information.

The Texas Instruments TL3844D is an economy single-ended, current-mode PWM controller designed for off-line and DC-to-DC fixed-frequency current-mode control schemes. It features a wide operating voltage range of 10V to 30V and can operate at frequencies up to 500kHz with a maximum duty cycle of 48%.

 

Key electrical features include low start-up current (<1mA), undervoltage lockout with hysteresis, double-pulse suppression, and a high-current totem-pole output. The device also incorporates an internally trimmed bandgap reference and an error amplifier with low output resistance. It is designed to be interchangeable with the UC2842 and UC3842 series.

 

The TL3844D is housed in a 14-SOIC package and is designed for surface mount applications. The operating temperature range is 0°C to 70°C (TA). This controller is optimized for use in various power management applications requiring efficient DC-to-DC conversion.

 

This part is obsolete and no longer in production. A potential replacement is the TL3844DR-8, which offers upgraded functionality.

TL3844D Quick Information

Product Type: DC DC Switching Controller
Series: TL384x
Canonical Name: TL3844D Current Mode PWM Controller
Subcategory: AC/DC Controllers

TL3844D Compliance

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

TL3844D Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

TL3844D Features

  • Current-mode PWM controller for DC-to-DC converters.
  • Operates at frequencies up to 500kHz.
  • Features undervoltage lockout with hysteresis.
  • Surface mountable 14-SOIC package.
  • Interchangeable with UC2842/UC3842 series.

TL3844D Applications

  • Optimized for off-line converters.
  • Suitable for DC-to-DC converters.
  • Used in boost converter designs.
  • Applicable in flyback converter designs.
  • Used in forward converter designs.

TL3844D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the TL3844D?

The TL3844D operates within a voltage range of 10V to 30V.

What is the maximum operating frequency of the TL3844D?

The TL3844D can operate at frequencies up to 500kHz.

What package type is the TL3844D available in?

The TL3844D is available in a 14-SOIC package.

What is the operating temperature range for the TL3844D?

The operating temperature range for the TL3844D is 0°C to 70°C (TA).

Is the TL3844D RoHS compliant?

The TL3844D is listed as RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the TL3844D?

The Moisture Sensitivity Level (MSL) for the TL3844D is 1.

What is the maximum duty cycle for the TL3844D?

The maximum duty cycle for the TL3844D is 48%.

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