UC3843BNG AC-DC Power Conversion by ON Semiconductor
High Performance Current Mode PWM Controller
| Status: | Active |
|---|---|
| Series: | UC3843B |
| RoHS: | Compliant |
Where to Buy
Prices starting from US$0.38
| Distributor | Stock | ||
|---|---|---|---|
|
RS
from US$0.41
|
275
in stock
|
Buy Now |
|
Newark Electronics
from US$0.48
|
2,633
in stock
|
Buy Now |
|
Future Electronics
from US$0.38
|
2,620
in stock
|
Buy Now |
|
element14
from US$0.44
|
2,615
in stock
|
Buy Now |
|
Farnell
from US$0.41
|
2,603
in stock
|
Buy Now |
|
Avnet Silica
-
|
1,700
in stock
|
Buy Now |
|
Avnet America
from US$0.40
|
-
|
Buy Now |
|
|
Avnet Asia
from US$0.40
|
-
|
Buy Now |
|
EBV Elektronik
-
|
-
|
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 | UC3843B |
|---|---|
| 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
| Pwm Ctrl, Current Mode, 30V, 1A, Dip-8 | Newark Electronics |
| UC3843B Series 30 V 275 kHz High Performance Current Mode Controller - PDIP-8 | Future Electronics |
| PWM CTRL, CURRENT MODE, 30V, 1A, DIP-8 | element14 |
| Current mode PWM controller,UC3843BN 5V | RS |
| Current Mode PWM Controller 1A 8-Pin PDIP Rail | Avnet Silica |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a UC3843BNG?
Additional datasheets, footprints and schematics for UC3843BNG are listed on our Part Details page. You can also find images and similar parts to UC3843BNG on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for UC3843BNG on our Product Comparison page. Access via the 'View Pricing & Stock' button to view UC3843BNG price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does UC3843BNG fall under?
The UC3843BNG is listed under Power Management > AC-DC Power Conversion > Offline Controllers.
Can I view similar or alternative parts?
You can view similar parts to UC3843BNG 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 UC3843BNG you can contact the distributor directly for product support, shipping queries etc.
Is the UC3843BNG RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by ON Semiconductor.
Which authorised distributors for UC3843BNG have stock available?
Authorised distributors including Newark Electronics, Future Electronics, element14, Farnell and RS have stock available or on a lead time for UC3843BNG.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for UC3843BNG often in real-time on the comparison pages.
What if I can't find stock of UC3843BNG?
You can fill out our help required form which you can use to request a quote for UC3843BNG 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.