This is a specification document for the BD3538FVM model, a regulator IC for memory termination. The product features a built-in push-pull amplifier for termination (VTT), a built-in reference voltage circuit (VREF), and dual channels (DDR-Ⅱ). The absolute maximum ratings include input voltage, enable input voltage, termination input voltage, and VDDQ reference voltage. The operating conditions for the product include input voltage, termination input voltage, VDDQ reference voltage, and enable input voltage. Additionally, this product is designed for protection against radioactive rays.
The BD3S538FVM is a regulator IC for memory termination that integrates a push‑pull amplifier, reference voltage circuit, and dual‑channel termination. It is intended for use in audio‑visual, office‑automation, communication, and electronic appliance equipment.
The document lists absolute maximum ratings, operating conditions, electrical characteristics, pin assignments, mechanical dimensions, and detailed notes on grounding, thermal design, and recommended external components such as output and input capacitors.
| Input Voltage VCC (operating range) | 2.7 – 5.5 V |
|---|---|
| Termination Input Voltage VTT_IN (operating range) | 1.0 – 5.5 V |
| Output Current ITT (absolute max) | 1 A |
| Power Dissipation Pd (absolute max) | 437.5 mW |
| Standby Current IST | 0.5 – 1.0 mA |
| Bias Current ICG | 2 – 4 mA |
The UVLO OFF voltage is typically 2.40 V (range 2.40‑2.70 V) with a hysteresis of about 100‑220 mV.