Analog Devices Inc. EVAL-LTC7897-AZ Evaluation Board
Analog Devices EVAL-LTC7897-AZ Evaluation Board is a fully assembled and tested board for the LTC7897. The LTC7897 Synchronous Buck Controllers are high-performance, 100% duty cycle capable, synchronous step-down DC/DC switching regulator controllers that drive all N-channel synchronous MOSFET power stages. The board is created to provide 12V output at load current up to 20A from a 16V to 135V input supply. The board is programmed with a switching frequency of 200kHz. The ADI EVAL-LTC7897-AZ supplies a high-performance, cost-effective solution for generating a 12V output.
Features
- Wide VIN range of 4V to 135V (140V ABS Max)
- Wide output voltage range of 0.8V ≤ VOUT ≤ 135V (140V ABS Max)
- Adjustable gate drive level of 5V to 10V (OPTI-DRIVE, 15V ABS Max)
- Adjustable driver voltage UVLO
- Split-output gate drivers for adjustable turn-on and turn-off driver strengths
- Adaptive or resistor-adjustable dead times
- 100% duty cycle operation
- Low operating IQ of 5μA (48VIN to 3.3VOUT)
- Spread spectrum frequency modulation
- Programmable frequency (100kHz to 2.5MHz)
- Synchronizable frequency (100kHz to 2.5MHz)
- 28-pin (4mm x 5mm) QFN package
Applications
- Industrial power systems
- Military/avionics
- Telecommunications power systems
Associated Controllers
Analog Devices Inc. LTC7897 Synchronous Buck Controllers
DC/DC switching regulator controllers that drive all N-channel synchronous MOSFET power stages.
Layout
Board Connections
Published: 2025-05-06
| Updated: 2025-05-12