| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
66,963 pcs
|
66963 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
36,226 pcs
|
36226 pcs | On Request | 1 | On Request | On Request | 1608+ | On Request | On Request | |
|
7,386 pcs
|
7386 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
400 pcs
|
400 pcs | On Request | 1 | On Request | On Request | 21+ | On Request | On Request |
| Category | |
| Manufacturer Name |
The Texas Instruments TPS54521RHLR is an active synchronous step-down DC/DC switching regulator designed for high-density power applications. It features an input voltage range of 4.5V to 17V and can deliver up to 5A of output current. The output voltage is adjustable from 0.8V to 15V, providing flexibility for various power supply designs.
Key electrical characteristics include a typical quiescent current of 0.0006A and a maximum duty cycle of 98%. The device operates with a switching frequency adjustable from 200kHz to 900kHz and can synchronize to an external clock. It incorporates features such as Enable, Frequency synchronization, Power good, Prebias startup, Soft-start adjustable, Synchronous rectification, and Tracking.
Packaged in a 14-pin VQFN measuring 3.5mm x 3.5mm, the TPS54521RHLR is suitable for surface mount applications. Its operating temperature range is -40°C to 125°C, making it robust for demanding environments. The integrated MOSFETs have on-resistances of 57mΩ (high-side) and 50mΩ (low-side).
Applications for this converter include flat panel digital TVs, set-top boxes, personal video recorders, and netbooks. It is designed for high-density 3.3V/5V power distribution from a 12V bus.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.08 | $1.08 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The input voltage range is 4.5 V minimum and 17 V maximum.
The maximum output current is 5 A.
The output voltage is adjustable from 0.8 V to 15 V.
The operating temperature range is -40°C to 125°C.
It comes in a 3.5 mm x 3.5 mm VQFN-14 package.
The switching frequency is adjustable from 200 kHz to 900 kHz.
The typical quiescent current is 0.0006 A (600 µA).