DIA7855

The DIA7855 is a low-dropout linear regulator designed to function with a wide input voltage range from 3 V to 40 V. The 3 V minimum operation voltage allows DIA7855 to function normally during cold-crank and start-stop conditions. With only 4 µA ultra-low quiescent current at no load, the DIA7855 is quite suitable for microcontrollers and CAN/LIN transceivers power supply in standby systems. The DIA7855 integrates short-circuit and overcurrent protection. -40°C to 125°C wide operating temperature range enable the DIA7855 to be used in the harsh automotive environment. The device uses thermally conductive package to enable sustained operation despite significant dissipation across the device. Additionally, the device integrates thermal shutdown, it designed as a power for various automotive applications.

Product attributes

• AEC-Q100 qualified:

Device ambient temperature: -40°C ≤ TA ≤ 125°C

Device junction temperature: -40°C ≤ TJ ≤ 150°C

• 3 V to 40 V wide input voltage range with up to 45 V transient
• Operating output voltage range:

Fixed 1.2 V to 5 V output voltage

Adjustable 1.2 V to 16 V output voltage

• Low power consumption:

4 µA typical at no load

450 nA shutdown current

• Maximum output current: 150 mA
• ±2% output voltage accuracy over ambient temperature range
• Maximum dropout voltage: 210 mV at 150 mA

load current for fixed 5 V output version

• Stable with low equivalent series resistance

ceramic output-stability capacitor