UC3844BNG AC-DC Power Conversion by ON Semiconductor
High Performance Current Mode PWM Controller
| Status: | Active |
|---|---|
| Series: | UC3844B |
| RoHS: | Compliant |
Where to Buy
Prices starting from US$0.28
| Distributor | Stock | ||
|---|---|---|---|
|
Rochester Electronics
from US$0.41
|
23,500
in stock
|
Buy Now |
|
Newark Electronics
from US$0.74
|
351
in stock
|
Buy Now |
|
TME
from US$0.50
|
251
in stock
|
Buy Now |
|
RS
from US$0.45
|
185
in stock
|
Buy Now |
|
Avnet America
from US$0.28
|
30
in stock
|
Buy Now |
|
Avnet Silica
-
|
1,800
in stock
|
Buy Now |
|
EBV Elektronik
-
|
1,250
in stock
|
Buy Now |
|
Future Electronics
from US$0.28
|
0
in stock
|
Buy Now |
|
|
RS Americas
from US$1.02
|
0
in stock
|
Buy Now |
|
Buerklin
from US$0.39
|
0
in stock
|
Buy Now |
|
|
Avnet Asia
-
|
0
in stock
|
Buy Now |
| 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 | UC3844B |
|---|---|
| Compliance | Pb-free Halide free |
| Topology | Flyback Forward Step-Down Step-Up |
| 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) | 25 |
| Drive Cap. (mA) | 200 / 200 |
| Package Type | PDIP-8 |
Last 6 months Inventory & Pricing History
Alternative Descriptions
| Current Mode Pwm Controller, 25V, 8-Dip | Newark Electronics |
| IC: PMIC | TME |
| onsemi UC3844BNG PWM Controller | RS |
| UC3844B Series 36 V 275 kHz High Performance Current Mode Controller - PDIP-8 | Future Electronics |
| UC3844BNG, PWM CURRENT MODE CONTROLLER, 1 A, 500 KHZ 8-PIN PDIP | RS Americas |
| PWM CONTROLLER UC3844BNG, 36 V, 1,0 A, PDIP8 | Buerklin |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a UC3844BNG?
Additional datasheets, footprints and schematics for UC3844BNG are listed on our Part Details page. You can also find images and similar parts to UC3844BNG on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for UC3844BNG on our Product Comparison page. Access via the 'View Pricing & Stock' button to view UC3844BNG price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does UC3844BNG fall under?
The UC3844BNG is listed under Power Management > AC-DC Power Conversion > Offline Controllers.
Can I view similar or alternative parts?
You can view similar parts to UC3844BNG 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 UC3844BNG you can contact the distributor directly for product support, shipping queries etc.
Is the UC3844BNG RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by ON Semiconductor.
Which authorised distributors for UC3844BNG have stock available?
Authorised distributors including Rochester Electronics, Newark Electronics, TME, RS and Avnet America have stock available or on a lead time for UC3844BNG.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for UC3844BNG often in real-time on the comparison pages.
What if I can't find stock of UC3844BNG?
You can fill out our help required form which you can use to request a quote for UC3844BNG 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.