AT9919K7-G More Semiconductors - ICs by Microchip Technology
Hysteretic, Buck, High Brightness LED Driver w/ High-Side Current Sensing
| Status: | Active |
|---|---|
| Series: | AT9919 |
| RoHS: | Compliant |
Where to Buy
Prices starting from US$0.99
| Distributor | Stock | ||
|---|---|---|---|
|
Farnell
from US$1.03
|
No stock
|
Buy Now |
|
Microchip Technology
from US$0.99
|
43,995
in stock
|
Buy Now |
|
Newark Electronics
from US$1.28
|
-
|
Buy Now |
|
Future Electronics
from US$1.10
|
-
|
Buy Now |
|
Avnet America
from US$1.36
|
-
|
Buy Now |
|
RS Americas
from US$2.03
|
-
|
Buy Now |
|
element14
from US$1.08
|
-
|
Buy Now |
|
EBV Elektronik
-
|
-
|
Buy Now |
|
Avnet Silica
-
|
-
|
Buy Now |
Features
| Hysteretic control with high-side current sensing |
| Wide input voltage range: 4.5 to 40V |
| >90% Efficiency |
| Typical ±5% LED current accuracy |
| Up to 2.0MHz switching frequency |
| Adjustable constant LED current |
| Analog or PWM control signal for PWM dimming |
| Over-temperature protection |
| -40ºC to +125ºC operating temperature range |
| AEC-Q100 compliant |
Specifications
| Topology | Buck |
|---|---|
| +Vin min (V) | 4.5 |
| +Vin max (V) | 40 |
| Output Current | External FET |
| Dimming | PWM |
| Package | DFN-8 |
Environmental Information
| JEDEC Indicator | e3 |
|---|---|
| ROHS | Compliant |
| China EFUP | Compliant |
| Device Weight (g) | 0.02078 |
| Shipping Weight (kg) | 0.118788 |
| Lead Count | 8 |
| Package Type | WDFN |
| Package Width or Size | 3x3x0.8mm |
| Soldering Composition | Matte Tin |
Alternative Descriptions
| HYSTERETIC, BUCK, HIGH BRIGHTNESS LED DRIVER WITH HIGH-SIDE CURRENT SENSING | Microchip Technology |
| Led Driver, Aec-Q100, Buck, 2Mhz, Dfn-8 | Newark Electronics |
| LED Driver IC 1 Output DC DC Controller Step-Down (Buck) Analog, PWM Dimming 8-D | Future Electronics |
| LED DRVR Buck 1-CH PWM 8-Pin DFN T/R | Avnet America |
| HYSTERETIC, BUCK, HI BRGHTNESS LED DRVR w/Hi-SIDE CURRENT SENS 8 WDFN 3x3x0.8mmT/R | Microchip Technology Inc. AT9919K7-G | RS Americas |
| LED DRIVER, AEC-Q100, BUCK, 2MHZ, DFN-8 | element14 |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a AT9919K7-G?
Additional datasheets, footprints and schematics for AT9919K7-G are listed on our Part Details page. You can also find images and similar parts to AT9919K7-G on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for AT9919K7-G on our Product Comparison page. Access via the 'View Pricing & Stock' button to view AT9919K7-G price breaks, MOQs, lead times, inventory and SKUs from distributors.
What category does AT9919K7-G fall under?
The AT9919K7-G is listed under Semiconductors - ICs > More Semiconductors - ICs.
Can I view similar or alternative parts?
You can view similar parts to AT9919K7-G when available in the More Semiconductors - ICs 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 AT9919K7-G you can contact the distributor directly for product support, shipping queries etc.
Is the AT9919K7-G RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by Microchip Technology.
Which authorised distributors for AT9919K7-G have stock available?
Authorised distributors including Microchip Technology, Newark Electronics, Future Electronics, Avnet America and RS Americas have stock available or on a lead time for AT9919K7-G.
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for AT9919K7-G often in real-time on the comparison pages.
What if I can't find stock of AT9919K7-G?
You can fill out our help required form which you can use to request a quote for AT9919K7-G 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.