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UC2844D8 The Texas Instruments UC2844D8 is a current mode PWM controller designed for off-line and DC-to-DC converters. It operates at frequencies up to 500kHz and features an 8-SOIC package.
Mfr Part #:

UC2844D8

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC2844D8 is a current mode PWM controller designed for off-line and DC-to-DC converters. It operates at frequencies up to 500kHz and features an 8-SOIC package.
✓ Total Stock: 46,127 pcs
$ Price Range: $0.58

UC2844D8 Available from 3 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
40,178 pcs
On Request
40178 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
3,593 pcs
On Request
3593 pcs On Request 1 On Request On Request On Request On Request On Request
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
2,356 pcs
On Request
2356 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.

UC2844D8 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
Tape & Reel
Topology
Voltage
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UC2844D8 Description

Short technical summary and product information.

The Texas Instruments UC2844D8 is a single-ended, current-mode PWM controller designed for efficient power management in off-line and DC-to-DC converter applications. It supports a wide operating voltage range of 12V to 28V and operates at frequencies up to 500kHz, with a maximum duty cycle of 48%.

 

This controller integrates features such as low start-up current, automatic feedforward compensation, pulse-by-pulse current limiting, and enhanced load-response characteristics. It includes an undervoltage lockout (UVLO) with hysteresis and double-pulse suppression. The high-current totem-pole output stage is designed for driving N-channel MOSFETs.

 

The UC2844D8 is housed in an 8-SOIC package, suitable for surface mount applications. Its operating temperature range is -40°C to 85°C, making it versatile for various environmental conditions. The device is optimized for implementing fixed-frequency current-mode control schemes with minimal external components.

UC2844D8 Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UC2844D8 Current Mode PWM Controller
Subcategory: Current Mode

UC2844D8 Compliance

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

UC2844D8 Estimated Pricing

Qty Low High
1+ $0.58 $0.58

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

UC2844D8 Features

  • Current mode PWM controller for power conversion.
  • Operates up to 500kHz frequency.
  • Wide 12V to 28V operating voltage range.
  • 48% maximum duty cycle.
  • Surface mount 8-SOIC package.

UC2844D8 Applications

  • Optimized for off-line converters.
  • Suitable for DC-to-DC converters.
  • Used in power management designs.
  • Enables fixed-frequency control schemes.

UC2844D8 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the UC2844D8?

The operating voltage range is 12V to 28V.

What is the operating temperature range for the UC2844D8?

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

What is the maximum frequency for the UC2844D8?

The maximum frequency is 500kHz.

What is the maximum duty cycle for the UC2844D8?

The maximum duty cycle is 48%.

What package type is the UC2844D8 available in?

The UC2844D8 is available in an 8-SOIC package.

What type of controller is the UC2844D8?

The UC2844D8 is a current mode PWM controller.

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