| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
36,160 pcs
|
36160 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
1,000 pcs
|
1000 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| AEC Qualified | |
| Automotive Grade | |
| Clock Frequency | |
| Duty Cycle (Max) | |
| Features | |
| Halogen Free | |
| Lead Spacing | |
| Lead Style | |
| Mounting Type | |
| Operating Temperature Range | |
| SVHC Present | |
| Tape & Reel | |
| Topology |
The Texas Instruments LM3478QMM is an automotive-grade DC/DC switching regulator controller. It is designed for Boost, SEPIC, and Flyback converter applications, offering flexibility in power supply design.
Key electrical specifications include a wide input voltage range from 2.97V to 40V and a maximum output voltage of 500V. The controller operates in current mode and features an adjustable clock frequency from 100kHz to 1MHz. It also includes features such as adjustable current limit, enable function, frequency synchronization, and light-load efficiency.
The device is housed in a compact 8-lead VSSOP package, suitable for surface mount applications. Its operating temperature range is -40°C to 125°C, making it suitable for demanding automotive environments. The LM3478QMM is AEC-Q100 qualified, ensuring reliability and performance for automotive-grade applications.
Additional features include an internal push-pull driver with 1A peak current capability, current limit, thermal shutdown, frequency compensation optimized with a capacitor and resistor, internal soft start, and undervoltage lockout with hysteresis.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.08 | $1.08 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
2.97V to 40V.
VSSOP-8 (DGK) with dimensions 3mm x 4.9mm.
-40°C to 125°C.
Boost, Flyback, Forward, and SEPIC.
2.7 µA.
100 kHz to 1 MHz.
1 A.