UC3843ADG4 Part Information
Details for UC3843ADG4 by Texas Instruments
Electronic & Electrical Components>Semiconductors - ICs>Power Management
Part Features
- Automatic Feedforward Compensation
- Double Pulse Suppression
- Enhanced Load Response Characteristics
- High-Current Totem Pole Output
- Internally-Trimmed Bandgap Reference
- Low Start-Up Current (< 0.5 mA)
- Optimized for Off-Line and DC-DC Converters
- Pulse-by-Pulse Current Limiting
- Trimmed Oscillator Discharge Current
- Undervoltage Lockout With Hysteresis
- Up to 500-kHz Operation
Part Specifications
| Input Voltage | 25V |
| Output Voltage | 5.1V |
| Output Current | 1A |
| Supply Voltage Min | 12V |
| Supply Voltage Max | 25V |
| Controller IC Case Style | SOIC |
| No. of Pins | 14Pins |
| Frequency | 500kHz |
| Operating Temperature Min | 0°C |
| Operating Temperature Max | 70°C |
| Product Range | - |
| Automotive Qualification Standard | - |
| RoHS Phthalates Compliant | Yes |
| MSL | MSL 1 - Unlimited |
| SVHC | No SVHC (27-Jun-2018) |
| Base Number | 3843 |
| Controller Type | PWM |
| IC Temperature Range | Commercial |
| Input Current | 11mA |
| Operating Temperature Range | 0°C to +70°C |
| Output Current Max | 1A |
| Output Energy per Cycle | 5µJ |
| Output Type | Totem Pole |
| Power Dissipation Pd | 1W |
| Supply Voltage Range | 12V to 25V |
| Termination Type | Surface Mount Device |
More Parts in Power Management
Frequently Asked Questions
Where can I find additional details, specifications and documents for a UC3843ADG4?
Additional datasheets, footprints and schematics for UC3843ADG4 are listed in our Part Details tab. You can also find the UC3843ADG4 image and similar parts on this details page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for UC3843ADG4 in the Pricing & Inventory tab next to part details. You can view UC3843ADG4 price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does UC3843ADG4 fall under?
The UC3843ADG4 is listed under Electronic & Electrical Components > Semiconductors - ICs > Power Management.
Can I view similar or alternative parts?
You can view similar parts to UC3843ADG4 when available in the Power Management range under the specifications section at the bottom of the details page.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the UC3843ADG4 you can contact the distributor directly for product support, shipping queries etc.
Is the UC3843ADG4 RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by Farnell.
Which authorised distributors for UC3843ADG4 have stock available?
There is no stock from authorised distributors for UC3843ADG4.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for UC3843ADG4 often in real-time on the comparison pages.
What if I can't find stock of UC3843ADG4?
You can fill out our help required form which you can use to request a quote for UC3843ADG4 from some of our verified obsolescence suppliers. Alternatively, contact us via our web chat in the bottom left of your screen and one of our team will try to help.