Datasheet Analog Devices LTC7897
| Manufacturer | Analog Devices |
| Series | LTC7897 |
140V, Low IQ, Synchronous Buck Controller with Programmable 5V to 10V Gate Drive in 28-Lead QFN (4mm x 5mm x 0.75mm w/ EP) package
Datasheets
140V, Low IQ, Synchronous Buck Controller with Programmable 5V to 10V Gate Drive in 28-Lead QFN (4mm x 5mm x 0.75mm w/ EP) package
Detailed Description
The LTC7897 is a high performance, 100% duty cycle capable, synchronous step-down, DC/DC switching regulator controller that drives all N-channel synchronous silicon metal oxide field effect transistor (MOSFET) power stages.
Synchronous rectification increases efficiency, reduces power loss, and simplifies the application design by reducing thermal requirements.
The wide input and output voltage ranges of the LTC7897 enable not only high step-down ratios but also a wide range of positive to negative voltage conversion. The gate drivers of the LTC7897 provide robustness with a 14V ABS MAX rating and flexibility with adjustable drive levels and dead times to optimize applications.
The gate drive voltage of the LTC7897 can optionally be adjusted from 5V to 10V to allow use of logic-level or standard threshold MOSFETs. The dead times of the LTC7897 can be optimized with external resistors for margin or to tailor the application for higher efficiency and allow for high frequency operation.
Model Line
Manufacturer's Classification
- Power Management > Switching Regulators & Controllers