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UC2844AD The UC2844AD is a current mode PWM controller from Texas Instruments, operating at up to 500kHz with a 30V maximum operating voltage and 1A current limit.
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UC2844AD

Available from 1 distributors
Mfr Name: UC
UC
The UC2844AD is a current mode PWM controller from Texas Instruments, operating at up to 500kHz with a 30V maximum operating voltage and 1A current limit.
✓ Total Stock: 384 pcs

UC2844AD Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
384 pcs
On Request
384 pcs On Request 1 On Request On Request 00G/ On Request On Request
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UC2844AD Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Duty Cycle
Features
Mounting Type
Operating Temperature
Operating Voltage
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Topology
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UC2844AD Description

Short technical summary and product information.

The UC2844AD is a versatile current mode PWM controller designed for off-line and DC-DC converters. It features a maximum operating voltage of 30V and a current limit of 1A, with a switching frequency up to 500kHz.

 

This controller supports multiple topologies including Boost, Buck, Buck boost, Flyback, and Forward configurations. Key features include adjustable and fixed frequency operation, current limiting, dead time control, and an error amplifier. The device also incorporates undervoltage lockout (UVLO) with hysteresis and a high-current totem pole output.

 

Optimized for efficiency, the UC2844AD offers low start-up current (<0.5mA) and automatic feedforward compensation. It is available in a surface-mount SOIC package, making it suitable for various power supply designs.

UC2844AD Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UC2844AD Current Mode PWM Controller
Subcategory: Power Management (PMIC)

UC2844AD Compliance

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

UC2844AD Features

  • Peak current mode PWM controller
  • Up to 500kHz switching frequency
  • 30V maximum operating voltage
  • 1A current limit
  • Supports multiple power topologies

UC2844AD Applications

  • Off-line and DC-DC converter designs
  • Boost, buck, and flyback power supplies
  • Current-mode switched-mode power supplies
  • Pulse-by-pulse current limiting applications
  • Up to 500kHz switching frequency systems

UC2844AD FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum operating voltage for the UC2844AD?

The maximum operating voltage for the UC2844AD is 30V.

What is the switching frequency of the UC2844AD?

The UC2844AD can operate at a switching frequency of up to 500kHz.

What control mode does the UC2844AD use?

The UC2844AD uses peak current mode control.

What topologies are supported by the UC2844AD?

The UC2844AD supports Boost, Buck, Buck boost, Flyback, and Forward topologies.

What is the maximum duty cycle for the UC2844AD?

The maximum duty cycle for the UC2844AD is 50%.

What is the RoHS status of the UC2844AD?

The UC2844AD is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the UC2844AD?

The Moisture Sensitivity Level (MSL) for the UC2844AD is Level 1.

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