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UC3842AD8 The Texas Instruments UC3842AD8 is a current mode PWM controller designed for off-line and DC-DC converters. It features a wide operating voltage range and high switching frequency.
Mfr Part #:

UC3842AD8

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC3842AD8 is a current mode PWM controller designed for off-line and DC-DC converters. It features a wide operating voltage range and high switching frequency.
✓ Total Stock: 2,356 pcs
$ Price Range: $0.63

UC3842AD8 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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.

UC3842AD8 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Clock Sync
Control Features
Duty Cycle (Max)
Features
Frequency
Function
Industrial Grade
Lead Spacing
Lead Style
Medical Grade
Military Grade
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Phases
Output Type
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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UC3842AD8 Description

Short technical summary and product information.

The UC3842AD8 from Texas Instruments is a current mode PWM controller optimized for off-line and DC-DC converters. It operates with an input voltage range of 10V to 30V and supports a maximum duty cycle of 96% at frequencies up to 500kHz.

 

This controller features several key control functions including adjustable switching frequency, current limiting, dead time control, and an error amplifier. It also includes features like low start-up current, automatic feedforward compensation, pulse-by-pulse current limiting, and enhanced load response characteristics.

 

The UC3842AD8 is available in a surface mount 8-SOIC package, making it suitable for various power supply designs. Its robust feature set and wide operating parameters make it a versatile choice for power management applications.

 

Key electrical characteristics include a 10V to 30V operating voltage and a maximum duty cycle of 96%. The device supports multiple topologies such as Boost, Buck, Flyback, and Forward configurations. It operates without synchronous rectification and clock synchronization.

UC3842AD8 Quick Information

Product Type: PWM Controller
Canonical Name: UC3842AD8 Current Mode PWM Controller
Subcategory: DC DC Switching Controllers

UC3842AD8 Compliance

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

UC3842AD8 Estimated Pricing

Qty Low High
1+ $0.63 $0.63

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

UC3842AD8 Features

  • Current mode PWM controller
  • 10V to 30V operating voltage
  • Up to 500kHz switching frequency
  • 96% maximum duty cycle
  • 8-SOIC surface mount package

UC3842AD8 Applications

  • Optimized for off-line converters
  • Suitable for DC-DC converters
  • Supports Boost topology
  • Supports Buck topology
  • Supports Flyback topology

UC3842AD8 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the UC3842AD8?

The UC3842AD8 operates with a voltage range of 10V to 30V.

What is the maximum operating temperature for the UC3842AD8?

The maximum operating temperature for the UC3842AD8 is 70°C.

What is the maximum duty cycle of the UC3842AD8?

The maximum duty cycle for the UC3842AD8 is 96%.

What is the switching frequency of the UC3842AD8?

The UC3842AD8 can operate at frequencies up to 500kHz.

What package type is the UC3842AD8 available in?

The UC3842AD8 is available in an 8-SOIC package.

What mounting type does the UC3842AD8 use?

The UC3842AD8 uses surface mount technology.

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