About the Product

DIO7910A08ST5 0.8V LDO for Antminer HS3, S19Kpro, S19XP, S21, T21

The DIO7910A08ST5 0.8V LDO chip is a high-precision, low-noise, and high-speed CMOS linear regulator designed for repairing and maintaining the hash boards of Antminer HS3, S19Kpro, S19XP, S21, and T21 models. It delivers stable and reliable performance, helping your mining rigs operate at peak efficiency.

KAD3B High-Precision 0.8V LDO Chip

  • Output Voltage: 0.8V

  • Input Voltage Range: 1.6V – 5.5V

  • Maximum Output Current: 300mA

  • Ultra-low quiescent current and high PSRR ensure stable operation in demanding mining environments

  • Marked KAD3B on the silk screen

  • Package Type: SOT23-5, easy to install

  • New and original replacement chip, perfect for minimizing downtime and maintaining performance


0.8V LDO Chip Features for Antminer Hash Board Repair

Feature Specification
Operating Input Voltage Range 1.6V – 5.5V
Output Voltage 0.8V
Output Current 300mA
Quiescent Current 25 µA (typical)
Dropout Voltage 170mV @ IOUT = 300mA
PSRR 75dB @ 1kHz, IOUT = 20mA
Output Voltage Tolerance ±1%
Capacitor Stability 1 µF ceramic capacitor
Protection Features Thermal overload, short circuit
Package Type SOT23-5