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UC3842AD8TR The Texas Instruments UC3842AD8TR is a current mode PWM controller designed for DC-DC converters. It operates within a voltage range of 10V to 30V and features a maximum frequency of 500kHz.
Mfr Part #:

UC3842AD8TR

Available from 3 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC3842AD8TR is a current mode PWM controller designed for DC-DC converters. It operates within a voltage range of 10V to 30V and features a maximum frequency of 500kHz.
✓ Total Stock: 9,445 pcs
$ Price Range: $0.31

UC3842AD8TR Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
5,362 pcs
On Request
5362 pcs On Request 1 On Request On Request 1649+ On Request On Request
Rayichip ✓
Non-Authorised Inventory information
2,771 pcs
On Request
2771 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,312 pcs
On Request
1312 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.

UC3842AD8TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Control Features
Duty Cycle (Max)
Features
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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UC3842AD8TR Description

Short technical summary and product information.

The UC3842AD8TR from Texas Instruments is a current mode PWM controller optimized for offline and DC-DC converters. It operates with a voltage range of 10V to 30V and supports adjustable switching frequencies up to 500kHz.

 

This controller features a maximum duty cycle of 96% and a low start-up current of less than 0.5mA. Key control features include frequency control, current limiting, and dead time control. The device is housed in an 8-SOIC package and is designed for surface mount applications.

 

Its topology supports Boost, Buck, Flyback, and Forward configurations. The operating temperature range is 0°C to 70°C. The UC3842AD8TR is suitable for various power management applications requiring efficient and reliable switching control.

UC3842AD8TR Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UC3842AD8TR Current Mode PWM Controller
Subcategory: DC DC Switching Controllers

UC3842AD8TR Compliance

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

UC3842AD8TR Estimated Pricing

Qty Low High
1+ $0.31 $0.31

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

UC3842AD8TR Features

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

UC3842AD8TR Applications

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

UC3842AD8TR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the UC3842AD8TR?

The operating voltage range is 10V to 30V.

What is the maximum operating frequency of the UC3842AD8TR?

The maximum operating frequency is 500kHz.

What is the maximum duty cycle for the UC3842AD8TR?

The maximum duty cycle is 96%.

What is the operating temperature range for the UC3842AD8TR?

The operating temperature range is 0°C to 70°C.

What type of package is the UC3842AD8TR in?

The UC3842AD8TR is available in an 8-SOIC package.

What mounting type does the UC3842AD8TR support?

The UC3842AD8TR supports surface mount.

What topologies are supported by the UC3842AD8TR?

The UC3842AD8TR supports Boost, Buck, Flyback, and Forward topologies.

UC3842AD8TR Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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UC3842AD8
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.
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