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UC3842BVD1R2G The ON Semiconductor UC3842BVD1R2G is a high-performance current mode PWM controller designed for DC-DC converter applications. It operates within a voltage range of 10V to 30V and features a maximum duty cycle of 96%.
Mfr Part #:

UC3842BVD1R2G

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor UC3842BVD1R2G is a high-performance current mode PWM controller designed for DC-DC converter applications. It operates within a voltage range of 10V to 30V and features a maximum duty cycle of 96%.
✓ Total Stock: 16,077 pcs
$ Price Range: $0.78

UC3842BVD1R2G Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Flip Electronics ✓
Non-Authorised Inventory information
15,000 pcs
On Request
15000 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,077 pcs
On Request
1077 pcs On Request 1 On Request On Request On Request On Request On Request
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UC3842BVD1R2G 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
Output Configuration
Output Phases
Output Type
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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UC3842BVD1R2G Description

Short technical summary and product information.

The UC3842BVD1R2G 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 temperature-compensated reference.

 

Key electrical specifications include an operating voltage range of 10V to 30V and a maximum duty cycle of 96%. The controller supports switching frequencies up to 500kHz in current mode operation, with a guaranteed oscillator frequency of 250kHz. It is suitable for boost and flyback topologies and includes features like automatic feed-forward compensation and latching PWM for cycle-by-cycle current limiting.

 

This device is housed in an 8-SOIC package and is designed for surface mount applications. It operates within a temperature range of -40°C to 105°C (TA). The UC3842BVD1R2G is Pb-Free and Halide-Free.

 

Protective features include input and reference undervoltage lockouts with hysteresis, cycle-by-cycle current limiting, and programmable output deadtime.

UC3842BVD1R2G Quick Information

Product Type: Switching Controller
Series: Uc3842b
Canonical Name: UC3842BVD1R2G Current Mode PWM Controller
Subcategory: PMIC - Power Management ICs

UC3842BVD1R2G Compliance

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

UC3842BVD1R2G Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

UC3842BVD1R2G Features

  • High performance current mode controller.
  • Operates from 10V to 30V supply.
  • Switching frequency up to 500kHz.
  • 96% maximum duty cycle.
  • Surface mount 8-SOIC package.

UC3842BVD1R2G Applications

  • Used in boost converter power supplies.
  • Ideal for flyback converter designs.
  • Suitable for industrial power systems.
  • Applicable in automotive electronics.
  • Power management in telecom equipment.

UC3842BVD1R2G FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the UC3842BVD1R2G?

10V to 30V.

What is the operating temperature range?

-40°C to 105°C.

What package is the UC3842BVD1R2G available in?

8-SOIC surface mount package.

What is the switching frequency?

Maximum 500kHz, nominal oscillator frequency 250kHz.

What topologies does this controller support?

Boost and flyback.

Is the UC3842BVD1R2G halogen free?

Yes, it is halide-free.

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