UC2843BNG AC-DC Power Conversion by ON Semiconductor
High Performance Current Mode PWM Controller
| Status: | Active |
|---|---|
| Series: | UC2843B |
| RoHS: | Compliant |
Where to Buy
Prices starting from US$0.38
| Distributor | Stock | ||
|---|---|---|---|
|
RS
from US$0.58
|
100
in stock
|
Buy Now |
|
Future Electronics
from US$0.38
|
2,050
in stock
|
Buy Now |
|
Avnet Asia
from US$0.41
|
1,950
in stock
|
Buy Now |
|
EBV Elektronik
-
|
1,100
in stock
|
Buy Now |
|
Newark Electronics
from US$0.60
|
-
|
Buy Now |
|
|
Avnet America
from US$0.41
|
-
|
Buy Now |
|
element14
from US$0.50
|
-
|
Buy Now |
|
Farnell
from US$0.55
|
-
|
Buy Now |
|
Avnet Silica
-
|
-
|
Buy Now |
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 |
Specifications
| Description | UC2843B |
|---|---|
| Compliance | Pb-free Halide free |
| Topology | Flyback |
| Control Mode | Current Mode |
| fsw Typ (kHz) | 52 |
| Stand-by Mode | No |
| UVLO (V) | Yes |
| Short Circuit Protection | Yes |
| Latch | No |
| Soft Start | No |
| VCC Max (V) | 30 |
| Drive Cap. (mA) | 200 / 200 |
| Package Type | PDIP-8 |
Alternative Descriptions
| UC2843B Series 30 V 275 kHz High Performance Current Mode Controller - PDIP-8 | Future Electronics |
| Current Mode PWM Controller 1A 8-Pin PDIP Rail | Avnet Asia |
| ANA SMPS PWM CONTROLLER | RS |
| Ana Smps Pwm Controller Rohs Compliant: Yes |Onsemi UC2843BNG. | Newark Electronics |
| IC, ADVANCED PWM CONTROLLER, PDIP8 | Farnell |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a UC2843BNG?
Additional datasheets, footprints and schematics for UC2843BNG are listed on our Part Details page. You can also find images and similar parts to UC2843BNG on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for UC2843BNG on our Product Comparison page. Access via the 'View Pricing & Stock' button to view UC2843BNG price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does UC2843BNG fall under?
The UC2843BNG is listed under Power Management > AC-DC Power Conversion > Offline Controllers.
Can I view similar or alternative parts?
You can view similar parts to UC2843BNG when available in the Offline Controllers 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 UC2843BNG you can contact the distributor directly for product support, shipping queries etc.
Is the UC2843BNG RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by ON Semiconductor.
Which authorised distributors for UC2843BNG have stock available?
Authorised distributors including Future Electronics, Avnet Asia, RS, EBV Elektronik and Newark Electronics have stock available or on a lead time for UC2843BNG.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for UC2843BNG often in real-time on the comparison pages.
What if I can't find stock of UC2843BNG?
You can fill out our help required form which you can use to request a quote for UC2843BNG 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.