UC1846J883B The Texas Instruments UC1846J883B is a current-mode PWM controller designed for fixed-frequency control schemes. It operates at up to 500 kHz with a maximum duty cycle of 50%.
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UC1846J883B

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Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC1846J883B is a current-mode PWM controller designed for fixed-frequency control schemes. It operates at up to 500 kHz with a maximum duty cycle of 50%.
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UC1846J883B Available from 1 distributor

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UC1846J883B Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Military Grade

UC1846J883B Description

Short technical summary and product information.

The UC1846J883B from Texas Instruments is a current-mode Pulse Width Modulation (PWM) controller. It provides essential features for implementing fixed-frequency current-mode control with minimal external components.

 

Key electrical specifications include a maximum operating frequency of 500 kHz and a maximum duty cycle of 50%. It offers a peak output current of 500 mA and features a ±1% band gap reference accuracy. The control mode is current-based, supported by features like an error amplifier, multi-topology capability, soft start, and synchronization pin.

 

This controller is available in CDIP (J) and LCCC (FK) packages. The CDIP (J) package has an area of 135.3552 mm², while the LCCC (FK) package has an area of 79.0321 mm².

 

Note: This part is not recommended for new designs. Consider alternate products like the UCC2808A-2EP.

UC1846J883B Quick Information

Product Type: DC DC Switching Controller
Series: UC1846
Canonical Name: UC1846J883B Current-Mode PWM Controller
Subcategory: Power Management ICs

UC1846J883B Compliance

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

UC1846J883B Features

  • Current-mode PWM controller
  • Operates at 500 kHz
  • 50% maximum duty cycle
  • 500 mA peak output current
  • ±1% band gap reference accuracy

UC1846J883B Applications

  • Ideal for Boost and Flyback converter designs.
  • Suitable for Forward and Bridge topologies.
  • Use in push-pull power supply applications.
  • For isolated DC-DC converter modules.

UC1846J883B FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum duty cycle for the UC1846J883B?

The maximum duty cycle is 50%.

What is the operating frequency of the UC1846J883B?

The UC1846J883B operates at 500 kHz.

What are the available package types for the UC1846J883B?

The UC1846J883B is available in CDIP (J) and LCCC (FK) packages.

What is the RoHS status of the UC1846J883B?

The RoHS status is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the UC1846J883B?

The MSL is 1 Unlimited.

What is the REACH status for the UC1846J883B?

The REACH status is REACH Unaffected.

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