AP1084 Low Dropout Voltage Regulator Avalon 1166pro Hashboard

AP1084 Low-Dropout 5A Voltage Regulator for Avalon 1166pro

The AP1084 Low Dropout Voltage Regulator is a high-performance solution providing a well-regulated power supply for low-voltage IC applications. Whether you need adjustable or fixed output, the AP1084 delivers exceptional performance with its 5A output current capability. Designed specifically for the Avalon 1166pro hashboard, this LDO ensures stable power delivery for high-speed bus termination and low-current 3.3V logic supplies during repair.

Maximum 1.4V dropout at full load current guarantees efficient and reliable operation across the hashboard's housekeeping rails. Available in adjustable mode or fixed-voltage variants (1.5V, 1.8V, 2.5V, 3.3V, 5.0V) — pick the variant matching the failed device's silk marking on your Avalon 1166pro board.

Key Protection Features

• Built-in thermal shutdown — protects against overheating.
• Output current limit — limits maximum output current for downstream protection.
• Adjustable or fixed output — flexibility for various design needs.
• Fixed voltage options: 1.5V / 1.8V / 2.5V / 3.3V / 5.0V.

Typical Use in Avalon 1166pro Repair

• Housekeeping rail failure — restoring 3.3V or 5V logic supplies on hashboard.
• High-speed bus termination — providing precise voltage for bus impedance matching.
• Low-current logic supplies — 1.8V / 2.5V rails for control circuitry.
• Production refurbishment — bulk LDO stock for line-based hashboard rebuilds.

AP1084 Specifications

FAQ — AP1084 LDO

Q: Adjustable vs fixed variant — which to order?
A: Check the silk marking on the failed device on your hashboard. AP1084 fixed-voltage variants are typically marked with the voltage (e.g., AP1084-33 = 3.3V fixed). Adjustable is more flexible but requires external resistor divider — drop-in replacement for adjustable applications only.

Q: Why a 5A LDO instead of switching regulator?
A: LDOs deliver clean output with no switching noise — ideal for analog / sensitive RF supplies. Switching regulators are more efficient but introduce ripple. For housekeeping / bus termination on hashboards, LDOs are the standard choice.

Q: How do I diagnose a failed AP1084?
A: Output voltage absent or wrong (e.g., reading 0V or near-input voltage instead of regulated output). Test with multimeter at the LDO output pin. Excessive heat at moderate load also indicates degradation.

Q: Bulk pricing for Avalon repair shops?
A: Yes — email contact@lys-sz.com with your monthly volume for tier pricing on AP1084 stock.

Related products

• NR5040 22µH Power Inductor – Avalon 1166pro
• MP2019GN Linear Regulator – Antminer ASIC
• NCP114 LDO Voltage Regulator – Hashboard
• AMS1117 LDO 3.3V SOT-223

Avalon refurb shops stocking AP1084 by the reel? Email contact@lys-sz.com for bulk pricing. Worldwide shipping from our Shenzhen warehouses.