TI UC3842AN
DIP-8 ROHS compliant AC-DC controllers and regulators operating at 500 kilohertz with input voltage range of 10 to 30 volts





Brands: Texas Instruments
Mfr.Part #: UC3842AN
Datasheet: UC3842AN Datasheet (PDF)
Package/Case: PDIP (P)-8
RoHS Status:
Stock Condition: 6,357 pcs, New Original
Warranty: 1 Year Ovaga Warranty - Find Out More
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*All prices are in USD
Qty | Unit Price | Ext Price |
---|---|---|
1 | $1.499 | $1.499 |
10 | $1.284 | $12.840 |
50 | $1.024 | $51.200 |
100 | $0.890 | $89.000 |
500 | $0.830 | $415.000 |
1000 | $0.804 | $804.000 |
In Stock 6,357 PCS
UC3842AN General Description
Featuring a voltage reference, error amplifier, oscillator, pulse width modulator, and output control circuitry, the UC3842AN provides comprehensive functionality in a single package. It also offers overvoltage protection, adjustable dead time, and a soft-start function for added reliability and control. This IC is capable of driving both power MOSFETs and bipolar power transistors, making it suitable for a variety of power supply topologies

Features
- Pulse-width modulation controller with adjustable frequency.
- Error amplifier monitors feedback signal closely.
Application
- LED driver integration
- Battery charger implementation
- Voltage regulator design
Specifications
Parameter | Value | Parameter | Value |
---|---|---|---|
Regulator Topology | Boost, Buck, Buck boost, Flyback, Forward | Control mode | Peak current mode |
Duty cycle (max) (%) | 100 | Switching frequency (max) (kHz) | 500 |
Features | Adjustable switching frequency, Current limiting, Dead time control, Error amplifier | UVLO thresholds on/off (V) | 16/10 |
Operating temperature range (°C) | 0 to 70 | Rating | Catalog |
Gate drive (typ) (A) | 1 | Vin (max) (V) | 28 |
Base Product Number | UC3842 |
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 4.5% 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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Step1 :Product Inventory
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Step2 :Pressure Relief Packaging
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Step3 :Anti Static Packaging
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Step4 :Protective Packaging
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Step5 :Sealed Packaging
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Step6 :Preparation for shipment
We will inspect and count all goods before shipping to ensure that all products are intact and in accurate quantity, and will fully package them to ensure that they will not be damaged during transportation.
Q: How can I order the UC3842AN?
A: To place an order for the UC3842AN, select the "Add to Cart" button associated with the product listing on our website. Once selected, you can finalize your purchase by proceeding to the checkout page, where you can enter your payment and shipping information.
Q: What is the warranty period for the UC3842AN?
A: We offer a 1-year warranty on the UC3842AN. This warranty covers any defects in materials and artistry under normal use. During the warranty period, if the product is found to be defective, it will be repaired or replaced at no charge. For further details, please refer to our warranty policy.
Q: How does Ovaga ensure the authenticity of UC3842AN from Texas Instruments?
A: Ovaga has a dedicated business development team that rigorously tests and verifies the credentials of original Texas Instruments manufacturers and authorized agents. All Texas Instruments suppliers must pass a qualification review before they can list their UC3842AN products on our platform. We emphasize sourcing from reliable channels and maintaining high product quality standards, ensuring you can make your purchase with confidence.
Q: How can I find detailed information about the UC3842AN chips, such as application notes, factory information, and images?
A: You can utilize Ovaga's intelligent search engine, filter by the Ethernet PHY Products category, or visit the Texas Instruments information page to find comprehensive details about the UC3842AN.
Q: Are the price and stock information for UC3842AN on Ovaga's platform accurate?
A: Inventory levels for Texas Instruments products can fluctuate and may not be updated in real time. The information is refreshed periodically within 24 hours. To confirm stock availability and final pricing, you must confirm your order with an Ovaga salesperson or customer service representative before proceeding with payment.
Q: Can I place orders offline with Ovaga?
A: Yes, offline orders are accepted. You can navigate to the "My Orders" section and enter transaction management to place your order. Reviewing the "Order Details" and proceeding to place the order is straightforward. Additionally, you may benefit from coupons or selected gifts when ordering online.
Q: What payment methods are accepted by Ovaga?
A: Ovaga accepts various payment methods, including Wire Transfer, PayPal, Credit Cards, Western Union, and Money Gram.
Q: How is shipping arranged, and how can I track my package?
A: Customers can choose from industry-leading freight companies such as DHL, FedEx, UPS, TNT, EMS, and Registered Air Mail. Once your order is processed for shipment, you will receive an email with the shipping status and tracking number. Note that tracking information may take up to 24 hours to be displayed by carriers. Typically, express delivery takes 2-5 days.
Q: What is the return or replacement process for UC3842AN?
A: Ovaga conducts Pre-Shipment Inspections (PSI) on all orders to ensure quality before shipment. Suppose there are issues such as quantity discrepancies, incorrect items, or visible defects (e.g., breakage or rust), and they are acknowledged by us. In that case, returns or replacements will be accepted under the following conditions:
- ●The defect must be reported within 365 days after delivery.
- ●The product must be unused and in its original, unopened packaging.
- ●Requesting Return Authorizations must be obtained.
For the return process:
- ●Please inform us within 365 days of receiving the product.
- ●Obtain Return Authorization from our team.
- ●Please refer to our After-Sale Matters for more detailed instructions.
Q: How can I contact Ovaga for support, including obtaining datasheets or pin diagrams for the UC3842AN?
A: For any after-sales support or technical inquiries, including requests for datasheets or pin diagrams, please get in touch with us via email at [email protected].
Q: What can you tell me about Ovaga's quality assurance practices?
A: Ovaga is committed to maintaining the highest standards of quality. We are certified under ISO14001, ISO 9001, IATF16949, ISO13485, and DUNS standards by the Quality Systems Registrar. This certification signifies that our operational systems meet stringent international standards in quality management. Our compliance is regularly reviewed and tested to ensure ongoing adherence to these standards, affirming our commitment to quality and continuous improvement.
Q: What do the ISO, IATF, and DUNS certifications mean for customers of Ovaga?
A: Our ISO, IATF, and DUNS certifications assure customers that Ovaga operates systems that are both accurate and comprehensive, meeting the rigorous requirements of the ISO, IATF, and DUNS standards. This certification underscores our long-term commitment to continuous improvement across our operations. As a note to our customers, while we strive for accuracy in product data on our website, we recommend referring to the manufacturer's datasheet or catalog for confirmed product specifications before placing an order. If you identify any discrepancies, please get in touch with us immediately.
Part points
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The UC3842AN is a high performance current mode PWM controller chip used in power supply applications. It is designed to regulate switching power supplies, controlling the duty cycle of the output signal in response to load variations. The chip provides protection features such as under-voltage lockout, cycle-by-cycle current limiting, and thermal shutdown.
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Equivalent
Equivalent products of UC3842AN chip include UC3842A, UC3842B, UC3842P, and UC3842D. These chips are also PWM controller ICs commonly used in power supply and lighting applications. -
Features
1. High-performance voltage mode PWM controller 2. Operates at a fixed frequency 3. Adjustable duty cycle 4. 1.5A peak output current 5. Internal soft-start function 6. Overcurrent protection 7. Error amplifier with 1.2V reference voltage 8. Under-voltage lockout 9. Operating voltage range of 16V to 30V 10. Available in a PDIP-8 package -
Pinout
The UC3842AN is a 8-pin integrated circuit used in PWM controllers. Pin 1 is the VREF/reference voltage pin, Pin 2 is the output driver pin, Pin 3 is the feedback input pin, Pin 4 is the ground pin, Pin 5 is the oscillator frequency setting pin, Pin 6 is the error amplifier output pin, Pin 7 is the timing capacitor pin, and Pin 8 is the power supply pin. -
Manufacturer
The UC3842AN is manufactured by Texas Instruments, a multi-national semiconductor company that specializes in designing and manufacturing integrated circuits. Texas Instruments is one of the largest semiconductor manufacturers in the world and produces a wide range of semiconductor products for various applications including analog and digital signal processing. -
Application Field
The UC3842AN is commonly used in various power supply applications, such as switch mode power supplies, battery chargers, LED drivers, and DC-DC converters. It is also used in applications that require precise control of the output voltage and current, such as motor drives and audio amplifiers. -
Package
The UC3842AN chip is provided in a PDIP package type, in a through-hole form, and has a size of 8 pins.
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