UC2844BNG AC-DC Power Conversion by ON Semiconductor
High Performance Current Mode PWM Controller
| Status: | Active |
|---|---|
| Series: | UC2844B |
| RoHS: | Compliant |
Where to Buy
Prices starting from US$0.22
| Distributor | Stock | ||
|---|---|---|---|
|
RS
from US$0.38
|
600
in stock
|
Buy Now |
|
Farnell
from US$0.22
|
29,439
in stock
|
Buy Now |
|
Newark Electronics
from US$0.39
|
-
|
Buy Now |
|
Future Electronics
from US$0.38
|
-
|
Buy Now |
|
Avnet America
from US$0.40
|
-
|
Buy Now |
|
element14
from US$0.51
|
-
|
Buy Now |
|
EBV Elektronik
-
|
-
|
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 Output Switching Frequency |
| Output Deadtime Adjustable from 50% to 70% |
| 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 | UC2844B |
|---|---|
| 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
| ANA SMPS PWM CONTROLLER | RS |
| Pwm Controller, Current Mode, 12 25V, Dip8 | Newark Electronics |
| UC2844B Series 36 V 275 kHz High Performance Current Mode Controller - PDIP-8 | Future Electronics |
| Current Mode PWM Controller 1A 8-Pin PDIP Rail | Avnet America |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a UC2844BNG?
Additional datasheets, footprints and schematics for UC2844BNG are listed on our Part Details page. You can also find images and similar parts to UC2844BNG on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for UC2844BNG on our Product Comparison page. Access via the 'View Pricing & Stock' button to view UC2844BNG price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does UC2844BNG fall under?
The UC2844BNG is listed under Power Management > AC-DC Power Conversion > Offline Controllers.
Can I view similar or alternative parts?
You can view similar parts to UC2844BNG 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 UC2844BNG you can contact the distributor directly for product support, shipping queries etc.
Is the UC2844BNG RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by ON Semiconductor.
Which authorised distributors for UC2844BNG have stock available?
Authorised distributors including Farnell, RS, Newark Electronics, Future Electronics and Avnet America have stock available or on a lead time for UC2844BNG.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for UC2844BNG often in real-time on the comparison pages.
What if I can't find stock of UC2844BNG?
You can fill out our help required form which you can use to request a quote for UC2844BNG 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.