KA3843B - Fairchild
The pictures are for reference only, and the specific specifications can be found in the product manual.
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Part NoKA3843B
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ManufacturerFairchild
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ChipWorker Part#CW56016300
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CategoryPWM Controller IC
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PackageDIP-8
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DescriptionFAIRCHILD SEMICONDUCTOR KA3843B PWM Controller, 25V-12V supply, 500kHz, 5V/200mA out, DIP-8
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DocumentationDatasheet
Payment Methods and Delivery
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KA3843B Global Supplier
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KA3843B Specifications
| Attribute | Attribute Value |
|---|---|
| Part Number | KA3843B |
| Manufacturer | Fairchild |
| ChipWorker Part# | CW56016300 |
| Category | PWM Controller IC |
| Documentation | Datasheet |
| Mounting Style | Through Hole |
| Number of Pins | 8 Pin |
| Case/Package | DIP-8 |
| Frequency | 500 kHz |
| Supply Voltage (DC) | 12.0V (min) |
| Number of Outputs | 1 Output |
| Input Voltage (DC) | 15.0 V |
| Output Voltage | 5 V |
| Output Current | 200 mA |
| Number of Positions | 8 Position |
| Power Dissipation | 1200 mW |
| Rise Time | 45 ns |
| Switching Frequency | 500 kHz |
| Duty Cycle | 100 % |
| Maximum Duty Cycle | 100 % |
| Fall Time | 35 ns |
| Operating Temperature (Max) | 70 ℃ |
| Operating Temperature (Min) | 0 ℃ |
| Power Dissipation (Max) | 1200 mW |
| Supply Voltage | 7.6V ~ 30V |
| Supply Voltage (Max) | 25 V |
| Supply Voltage (Min) | 12 V |
| Input Voltage | 15 V |
| expand all | |
| Size-Length | 10.15 mm |
| Size-Width | 6.35 mm |
| Size-Height | 3.3 mm |
| Operating Temperature | 0℃ ~ 70℃ |
| Product Lifecycle Status | Active |
| Packaging | Tube |
| RoHS | RoHS Compliant |
| Lead-Free Status | Lead Free |
| REACH SVHC Compliance | No SVHC |
| REACH SVHC Compliance Edition | 2015/06/15 |
| ECCN Code | EAR99 |
Product Description
- The KA3843B is a fixed frequency current-mode PWM Controller for off-line and DC-to-DC converter applications with minimum external components. This 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. The KA3843B is 8.5V (on) and 7.9V (off) and it can operate within 100% duty cycle.
- Low start up current
- Maximum duty clamp
- UVLO with hysteresis
Delivery
Chipworker Certification
Ordering Information
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These terms and conditions are for reference only. The actual terms and conditions are subject to the sales staff's quotation.
- Please check the technical specifications of the products when ordering.
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- All prices on the website include 20% VAT.
- Invoices are issued in the currency specified, but payment is made in Russian rubles at the exchange rate on the day of payment.
- If you need a detailed invoice or a tax identifier, please contact us. -
- Delivery will take between 1 to 2 weeks after the shipment is sent to your country.
- Your order will be processed only after the invoice has been paid.
- The tracking number will be sent to you after the order is shipped. (It may take up to 24 hours for the information to be available from the carrier.) View more > - - Carefully tested and packaged by ChipWorker- Vacuum packed - Anti-static packaging - Anti-vibration foam
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- Decapsulation control
- X-ray inspection
- XRF inspection
- Electrical testing
- Surface testing
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