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KA3842BD
Provides precise control for power management systems
KA3842BD
Provides precise control for power management systems
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.
Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
Example
Tape and Reel
Cut Tape
Tube or Tray
KA3842BD DataSheet
Pricing (USD)
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1 | $2.654 | $2.65 |
| 200 | $1.028 | $205.60 |
| 500 | $0.992 | $496.00 |
| 1000 | $0.973 | $973.00 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Details
The KA3842BD sets a new standard in pulse width modulation controller ICs, offering outstanding control and protection for switching power supplies. With its precision oscillator, programmable frequency and duty cycle, and high current output driver, it provides essential functionality for offline or DC to DC converter applications. Operating from a single power supply ranging from 7V to 35V, the KA3842BD is capable of delivering output currents up to 500mA, making it a versatile choice for a wide range of designs
Key Features
- Advanced PWM Control Circuit
- Low Standby Power Consumption
- Internal Regulator Provides a Stable 5V Reference Supply
- Operates in Multiple Modes
- Adjustable Frequency
- Thermal Shutdown Protection
- Low Start-up Current
- Current Limiting
- Under Voltage Lockout
- Over Voltage Protection
Application
- Switch mode power supplies
- Offline and DC-to-DC converters
- Battery chargers
- LED drivers
- DC motor control
- Power factor correction
- Lighting applications
- Industrial control systems
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Pbfree Code | Yes | Part Life Cycle Code | Obsolete |
| Reach Compliance Code | ECCN Code | EAR99 | |
| HTS Code ! | 8542.39.00.01 | Date Of Intro | 2017-10-12 |
| Analog IC - Other Type | SWITCHING CONTROLLER | Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION | Input Voltage-Max | 25 V |
| Input Voltage-Min | 11.5 V | Input Voltage-Nom | 15 V |
| JESD-30 Code | R-PDSO-G14 | Length | 8.56 mm |
| Number of Functions | 1 | Number of Terminals | 14 |
| Operating Temperature-Max | 70 °C | Operating Temperature-Min | |
| Output Current-Max | 1 A | Package Body Material | PLASTIC/EPOXY |
| Package Code | SOP | Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE | Seated Height-Max | 1.8 mm |
| Surface Mount ! | YES | Temperature Grade ! | COMMERCIAL |
| Terminal Form ! | GULL WING | Terminal Pitch ! | 1.27 mm |
| Terminal Position | DUAL | Width | 3.95 mm |
| Manufacturer | onsemi | Product Category ! | Switching Controllers |
| RoHS | Details | Number of Outputs | 1 Output |
| Switching Frequency ! | 500 kHz | Duty Cycle - Max | 100 % |
| Output Current ! | 1 A | Minimum Operating Temperature | 0 C |
| Maximum Operating Temperature ! | + 70 C | Mounting Style | SMD/SMT |
| Package / Case | SOP-14 | Brand | onsemi / Fairchild |
| Fall Time | 35 ns | Operating Supply Current | 17 mA |
| Product Type ! | Switching Controllers | Rise Time ! | 45 ns |
| Series | KA3842B | Factory Pack Quantity | 54 |
| Subcategory | PMIC - Power Management ICs | Type | Current Mode PWM Controllers |
| Unit Weight | 0.007700 oz |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
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