• Part: ER3105DI
  • Description: Synchronous Buck Regulator
  • Category: Voltage Regulator
  • Manufacturer: Altera
  • Size: 1.30 MB
Download ER3105DI Datasheet PDF
Altera
ER3105DI
ER3105DI is Synchronous Buck Regulator manufactured by Altera.
tures a PFM mode for improved efficiency at light loads. This feature can be disabled if forced PWM mode is desired. The part switches at a default frequency of 500k Hz but may also be programmed using an external resistor from 300k Hz to 2MHz. The ER3105DI has the ability to utilize internal or external pensation. By integrating both NMOS devices and providing internal configuration options, minimal external ponents are required, reducing BOM count and plexity of design. With the wide VIN range and reduced BOM the part provides an easy to implement design solution for a variety of applications while giving superior performance. It provides a very robust design for industrial, battery, and FPGA power applications. The part is available in a small Pb free 4mmx3mm DFN plastic package with an operation temperature range of -40°C to +125°C Features - Wide input voltage range 3V to 36V - Synchronous Operation for high efficiency - No pensation required - Integrated High-side and Low-side NMOS devices - Selectable PFM or forced PWM mode at light loads - Internal fixed (500k Hz) or adjustable Switching frequency 300k Hz to 2MHz - Continuous output current up to 500m A - Internal or external Soft-start - Minimal external ponents required - Power-good and enable functions available. Applications - FPGA power - Digital processor power - Mixed-signal ASIC power - Industrial control - Medical devices - Portable instrumentation - Distributed Power supplies - Cloud Infrastructure C BOOT 100n F VOUT COU T 10µ F L1 2 2µH CVIN 10µ F 1 SS 2 SYN C 3 BOOT 4...