Status: | Active |
---|---|
Series: | UC3843B |
RoHS: | Compliant |
Prices starting from US$0.25
Distributor | Stock | ||
---|---|---|---|
RS
from US$0.43
|
68
in stock
|
Buy Now | |
Farnell
from US$0.26
|
5,768
in stock
|
Buy Now | |
Transfer Multisort Elektronik
from US$0.33
|
362
in stock
|
Buy Now | |
Chip One Stop
from US$0.33
|
355
in stock
|
Buy Now | |
Newark Electronics
from US$0.29
|
81
in stock
|
Buy Now | |
Avnet America
from US$0.26
|
81
in stock
|
Buy Now | |
element14
from US$0.30
|
41
in stock
|
Buy Now | |
Distrelec
from US$1.25
|
17
in stock
|
Buy Now | |
Avnet Silica
-
|
2,254
in stock
|
Buy Now | |
EBV Elektronik
-
|
1,568
in stock
|
Buy Now | |
Future Electronics
from US$0.25
|
-
|
Buy Now | |
RS Americas
from US$0.64
|
-
|
Buy Now | |
Avnet Asia
from US$0.25
|
-
|
Buy Now |
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 |
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 | SOIC-8 |
IC, CURRENT MODE CONTROLLER, 15V, SOIC-8 | Farnell |
IC: PMIC | Transfer Multisort Elektronik |
Current Mode Pwm Controller, 25V, 8-Soic | Newark Electronics |
Current Mode PWM Controller 1A 8-Pin SOIC N Rail | Avnet America |
PWM Controller Current Mode 500kHz SOIC8 | RS |
onsemi PWM Controller, SOIC, Tube, 1A, 30V | Distrelec |
UC3843B Series 30 V 275 kHz High Performance Current Mode Controller - SOIC-8 | Future Electronics |
UC3843BD1G, PWM Current Mode Controller, 1 A, 500 kHz 8-Pin SOIC | ON Semiconductor UC3843BD1G | RS Americas |
Where can I find additional details, specifications and documents for a UC3843BD1G?
Additional datasheets, footprints and schematics for UC3843BD1G are listed on our Part Details page. You can also find images and similar parts to UC3843BD1G on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for UC3843BD1G on our Product Comparison page. Access via the 'View Pricing & Stock' button to view UC3843BD1G price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does UC3843BD1G fall under?
The UC3843BD1G is listed under Power Management > AC-DC Power Conversion > Offline Controllers.
Can I view similar or alternative parts?
You can view similar parts to UC3843BD1G 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 UC3843BD1G you can contact the distributor directly for product support, shipping queries etc.
Is the UC3843BD1G RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by ON Semiconductor.
Which authorised distributors for UC3843BD1G have stock available?
Authorised distributors including Farnell, Transfer Multisort Elektronik, Chip One Stop, Newark Electronics and Avnet America have stock available or on a lead time for UC3843BD1G.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for UC3843BD1G often in real-time on the comparison pages.
What if I can't find stock of UC3843BD1G?
You can fill out our help required form which you can use to request a quote for UC3843BD1G 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.