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UC2842BNG The ON Semiconductor UC2842BNG is a high-performance fixed-frequency current mode controller designed for DC-DC converter applications. It operates within a voltage range of 10V to 30V and supports frequencies up to 500kHz.
Mfr Part #:

UC2842BNG

Available from 3 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor UC2842BNG is a high-performance fixed-frequency current mode controller designed for DC-DC converter applications. It operates within a voltage range of 10V to 30V and supports frequencies up to 500kHz.
✓ Total Stock: 9,847 pcs
$ Price Range: $0.78

UC2842BNG Available from 3 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
5,918 pcs
On Request
5918 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
2,597 pcs
On Request
2597 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
1,332 pcs
On Request
1332 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.

UC2842BNG 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
SVHC Present
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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UC2842BNG Description

Short technical summary and product information.

The UC2842BNG from ON Semiconductor is a fixed-frequency current mode controller optimized for Off-Line and DC-DC converter applications. It offers a cost-effective solution with minimal external components. Key features include a trimmed oscillator for precise duty cycle control, a temperature-compensated reference, a high-gain error amplifier, and a current sensing comparator.

 

This controller supports various topologies including Boost and Flyback, with an output configuration for positive, isolation-capable operation. It operates within a voltage range of 10V to 30V and can achieve frequencies up to 500kHz, with a maximum duty cycle of 96%. The device includes protective features such as undervoltage lockout with hysteresis and cycle-by-cycle current limiting.

 

The UC2842BNG is available in an 8-pin PDIP package, suitable for through-hole mounting. It operates within an ambient temperature range of -25°C to 85°C. The device is Pb-Free and Halide-Free, aligning with environmental standards.

UC2842BNG Quick Information

Product Type: DC DC Switching Controller
Canonical Name: UC2842BNG Current Mode Controller

UC2842BNG Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Pb-Free

UC2842BNG Estimated Pricing

Qty Low High
1+ $0.78 $0.78

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

UC2842BNG Features

  • High performance current mode controller.
  • Operates from 10V to 30V input.
  • Frequency up to 500kHz.
  • 96% maximum duty cycle.
  • Pb-Free and Halide-Free.

UC2842BNG Applications

  • Off-line and DC-DC converter applications
  • Current mode control for power MOSFETs
  • Boost and flyback converter topologies
  • Low startup current battery-powered systems
  • Cost-effective power supply designs

UC2842BNG FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the UC2842BNG?

The operating voltage range is 10 V to 30 V.

What is the maximum operating frequency of the UC2842BNG?

The operating frequency can be up to 500 kHz.

What is the maximum duty cycle for the UC2842BNG?

The maximum duty cycle is 96%.

What is the operating temperature range for the UC2842BNG?

The operating temperature range is -25°C to 85°C (TA).

What package type is the UC2842BNG available in?

The UC2842BNG is available in an 8-PDIP package for through-hole mounting.

Is the UC2842BNG RoHS compliant?

Yes, the UC2842BNG is RoHS3 Compliant.

What are the undervoltage lockout thresholds for the UCX842B variant?

The UCX842B has UVLO thresholds of 16 V (on) and 10 V (off).

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