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TI UC3846N
Operating at 500KHz
Brands: Texas Instruments
Mfr.Part #: UC3846N
Datasheet: UC3846N Datasheet (PDF)
Package/Case: PDIP (N)-16
RoHS Status:
Stock Condition: 9592 pcs, New Original
Product Type: Switching Controllers
Warranty: 1 Year Ovaga Warranty - Find Out More
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*All prices are in USD
| Qty | Unit Price | Ext Price |
|---|---|---|
| 1 | $1.472 | $1.472 |
| 10 | $1.253 | $12.530 |
| 30 | $1.131 | $33.930 |
| 100 | $0.936 | $93.600 |
| 500 | $0.876 | $438.000 |
| 1000 | $0.849 | $849.000 |
In Stock:9592 PCS
UC3846N General Description
The UC3846N is a pulse width modulation (PWM) controller IC that is commonly used in power supply applications. This device features a current-mode architecture, which allows for fast transient response and improved line regulation. The UC3846N operates with a wide input voltage range, typically from 8V to 35V, making it suitable for various power supply designs.This IC includes an oscillator, error amplifier, PWM comparator, voltage reference, and output control circuitry, all integrated into a single package. It also offers protection features such as overcurrent and overvoltage protection to ensure the safety and reliability of the power supply system.The UC3846N can drive N-channel MOSFETs or bipolar power transistors and offers flexible control over duty cycle and frequency, allowing designers to optimize the performance of their power supplies.
Features
Application
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Topology | Boost, Flyback, Forward, Half bridge, Push pull | Control mode | Current |
| Duty cycle (max) (%) | 50 | Switching frequency (max) (kHz) | 500 |
| Features | Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Multi-topology, Soft start, Synchronization pin | UVLO thresholds on/off (V) | 7.7/6.95 |
| Operating temperature range (°C) | 0 to 70 | Rating | Catalog |
| Gate drive (typ) (A) | 0.5 |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
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UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time：Shipping fee depend on different zone and country.
Payment
| Terms of payment | Hand Fee | |
|---|---|---|
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Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.0% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
Part points
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The UC3846N is a pulse width modulation controller chip used in power supply applications. It can regulate voltage and current in switch mode power supplies, making it suitable for a wide range of industrial and consumer electronics. The chip features a high-frequency oscillator and adjustable dead-time control for efficient power conversion.
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Equivalent
Equivalent products of UC3846N chip include SG3846, TCA3846, and TL3845P. These chips are all pulse width modulation controllers with similar functions and specifications. -
Features
1. Current-mode PWM controller. 2. Provides adjustable frequency and duty cycle. 3. Allows for precise control of power supply output. 4. Offers cycle-by-cycle current limiting. 5. Includes soft-start for gradual power-up. -
Pinout
UC3846N is an eight pin current-mode PWM controller used in power supply applications. Pin functions are: 1) VREF, 2) OSC, 3) RT/CT, 4) INV, 5) GND, 6) SYNC, 7) VCC, 8) OUT. -
Manufacturer
The UC3846N is manufactured by Texas Instruments, a multinational semiconductor manufacturer based in the United States. Texas Instruments specializes in designing and producing analog and digital electronics for a variety of industries, including consumer electronics, industrial equipment, automotive applications, and more. -
Application Field
UC3846N is commonly used in power supply applications such as offline flyback converters, forward converters, and resonant mode power supplies. It is also suitable for other applications where peak current mode control is required to regulate the output voltage efficiently. -
Package
The UC3846N chip comes in a 16-pin plastic dual in-line package (PDIP). It has a rectangular form factor with dimensions of 19.56mm x 6.60mm x 3.3mm (L x W x H).
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