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UC3842BNG The ON Semiconductor UC3842BNG is a high-performance current mode PWM controller designed for DC-DC converter applications. It operates within a 10V to 30V range and supports frequencies up to 500kHz.
Mfr Part #:

UC3842BNG

Available from 3 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor UC3842BNG is a high-performance current mode PWM controller designed for DC-DC converter applications. It operates within a 10V to 30V range and supports frequencies up to 500kHz.
✓ Total Stock: 4,115 pcs
$ Price Range: $0.78

UC3842BNG Available from 3 distributors

✓ Authorised
✓ Non-Authorised
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.

UC3842BNG Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Clock Sync
Control Features
Duty Cycle (Max)
Frequency
Function
Halogen Free
Mounting Type
Number of Outputs
Operating Temperature
Operating Voltage
Output Configuration
Output Current
Output Phases
Output Type
Output Voltage
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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UC3842BNG Description

Short technical summary and product information.

The UC3842BNG from ON Semiconductor is a fixed-frequency current mode controller designed for efficient Off-Line and DC-DC converter applications. It offers a cost-effective solution with minimal external components, featuring a trimmed oscillator for precise duty cycle control and a high-current totem pole output. This controller is suitable for boost, flyback, and forward topologies.

 

Key electrical specifications include an operating voltage range of 10V to 30V and a maximum duty cycle of 96%. The device operates at frequencies up to 500kHz, with typical rise and fall times of 50 ns. It provides a typical output current of 1000 mA and an output voltage range of 4.9 V to 5.1 V.

 

Packaged in an 8-PDIP through-hole mount configuration, the UC3842BNG is designed for ease of integration into various circuit designs. It operates within a temperature range of 0°C to 70°C (TA). The device is RoHS3 compliant and has an MSL of 1.

UC3842BNG Quick Information

Product Type: Switching Controller
Series: Uc3842b
Canonical Name: UC3842BNG Current Mode PWM Controller
Subcategory: PMIC - Power Management ICs

UC3842BNG Compliance

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

UC3842BNG Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

UC3842BNG Features

  • Current mode PWM controller for DC-DC.
  • Operates from 10V to 30V supply.
  • Frequency up to 500kHz.
  • 96% maximum duty cycle.
  • 8-PDIP through-hole package.

UC3842BNG Applications

  • Suitable for boost converters.
  • Ideal for flyback converters.
  • Used in forward converters.
  • Off-line power supply designs.

UC3842BNG FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the UC3842BNG?

The operating voltage range for the UC3842BNG is 10 V to 30 V.

What is the maximum operating temperature of the UC3842BNG?

The maximum operating temperature for the UC3842BNG is 70°C.

What is the maximum frequency for the UC3842BNG?

The UC3842BNG operates at frequencies up to 500kHz.

What is the maximum duty cycle of the UC3842BNG?

The maximum duty cycle for the UC3842BNG is 96%.

What package type is the UC3842BNG available in?

The UC3842BNG is available in an 8-PDIP package.

Is the UC3842BNG RoHS compliant?

The UC3842BNG is RoHS3 compliant.

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