UC3845BNG AC-DC Power Conversion by ON Semiconductor
High Performance Current Mode PWM Controller
| Status: | Active |
|---|---|
| Series: | UC3845B |
| RoHS: | Compliant |
Where to Buy
Prices starting from US$0.31
| Distributor | Stock | ||
|---|---|---|---|
|
RS
from US$0.37
|
570
in stock
|
Buy Now |
|
Transfer Multisort Elektronik
from US$0.51
|
71
in stock
|
Buy Now |
|
Future Electronics
from US$0.38
|
44
in stock
|
Buy Now |
|
|
RS Americas
from US$0.31
|
1
in stock
|
Buy Now |
|
EBV Elektronik
-
|
1,250
in stock
|
Buy Now |
|
Newark Electronics
from US$0.41
|
-
|
Buy Now |
|
Avnet America
from US$0.40
|
-
|
Buy Now |
|
element14
from US$0.43
|
-
|
Buy Now |
|
|
Avnet Asia
from US$0.39
|
-
|
Buy Now |
|
Farnell
from US$0.41
|
-
|
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 | UC3845B |
|---|---|
| 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 |
Alternative Descriptions
| Current mode PWM controller,UC3845BN 5V | RS |
| IC: PMIC | Transfer Multisort Elektronik |
| UC3845B Series 36 V 275 kHz High Performance Current Mode Controller - PDIP-8 | Future Electronics |
| PWM Current Mode Controller, 1 A, 500 kHz 8-Pin PDIP | ON Semiconductor UC3845BNG | RS Americas |
| Current Mode PWM Controller 1A 8-Pin PDIP Rail | EBV Elektronik |
| Ana Smps Pwm Controller Rohs Compliant: Yes |Onsemi UC3845BNG. | Newark Electronics |
| IC, CURRENT MODE PWM CTRL, 25V, 8-DIP | element14 |
| PWM CONTROLLER, CURRENT MODE, 52KHZ, DIP | Farnell |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a UC3845BNG?
Additional datasheets, footprints and schematics for UC3845BNG are listed on our Part Details page. You can also find images and similar parts to UC3845BNG on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for UC3845BNG on our Product Comparison page. Access via the 'View Pricing & Stock' button to view UC3845BNG price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does UC3845BNG fall under?
The UC3845BNG is listed under Power Management > AC-DC Power Conversion > Offline Controllers.
Can I view similar or alternative parts?
You can view similar parts to UC3845BNG 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 UC3845BNG you can contact the distributor directly for product support, shipping queries etc.
Is the UC3845BNG RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by ON Semiconductor.
Which authorised distributors for UC3845BNG have stock available?
Authorised distributors including RS, Transfer Multisort Elektronik, Future Electronics, RS Americas and EBV Elektronik have stock available or on a lead time for UC3845BNG.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for UC3845BNG often in real-time on the comparison pages.
What if I can't find stock of UC3845BNG?
You can fill out our help required form which you can use to request a quote for UC3845BNG 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.