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ON UC2843BD1G
Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Max
Brands: ON Semiconductor, LLC
Mfr.Part #: UC2843BD1G
Datasheet: UC2843BD1G Datasheet (PDF)
Package/Case: SOIC-8
Product Type: Power Management ICs
RoHS Status:
Stock Condition: 3052 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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Add To BomUC2843BD1G General Description
The UC3842B, UC3843B series are high performance fixed frequency current mode controllers. They are specifically designed for Off-Line and dc-to-dc converter applications offering the designer a cost-effective solution with minimal external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.
Also included are protective features consisting of input and reference undervoltage lockouts each with hysteresis, cycle-by-cycle current limiting, programmable output deadtime, and a latch for single pulse metering.
These devices are available in an 8-pin dual-in-line and surface mount (SO-8) plastic package as well as the 14-pin plastic surface mount (SO-14). The SO-14 package has separate power and ground pins for the totem pole output stage.
The UCX842B has UVLO thresholds of 16 V (on) and 10 V (off), ideally suited for off-line converters. The UCX843B is tailored for lower voltage applications having UVLO thresholds of 8.5 V (on) and 7.6 V (off).
Features
- Trimmed Oscillator for Precise Frequency Control
- Oscillator Frequency Guaranteed at 250 kHz
- Current Mode Operation to 500 kHz
- Automatic Feed Forward Compensation
- Latching PWM for Cycle-By-Cycle Current Limiting
- Internally Trimmed Reference with Undervoltage Lockout
- High Current Totem Pole Output
- Undervoltage Lockout with Hysteresis
- Low Startup and Operating Current
- Pb-Free Packages are Available
Application
ONSEMISpecifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Manufacturer: | ON Semiconductor | Product Category: | Switching Controllers |
| RoHS: | Y | Topology: | Boost, Flyback, Forward |
| Number of Outputs: | 1 Output | Switching Frequency: | 500 kHz |
| Duty Cycle - Max: | 96 % | Output Voltage: | 4.95 V to 5.05 V |
| Output Current: | 1 A | Minimum Operating Temperature: | - 25 C |
| Maximum Operating Temperature: | + 85 C | Mounting Style: | SMD/SMT |
| Package / Case: | SOIC-8 | Packaging: | Tube |
| Series: | UC2843B | Type: | Current Mode PWM Controllers |
| Brand: | ON Semiconductor | Fall Time: | 50 ns |
| Operating Supply Voltage: | 30 V | Product Type: | Switching Controllers |
| Rise Time: | 50 ns | Factory Pack Quantity: | 98 |
| Subcategory: | PMIC - Power Management ICs | Unit Weight: | 0.019048 oz |
| Tags | UC2843BD1G, UC2843BD1, UC2843BD, UC2843B, UC2843, UC284, UC28, UC2 |
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.
Datasheet PDF
We provide high quality products, thoughtful service and after sale guarantee
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We have rich products, can meet your various needs.
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Minimum order quantity starts from 1pcs.
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365 days quality guarantee for all products
