Power Consumption

Table 1. ATmega328PB DC Characteristics - TA = -40°C to 105°C, VCC = 1.8V to 5.5V (unless otherwise noted)
Symbol Parameter Condition Min. Typ.(2) Max. Units
ICC Power Supply Current(1) Active 1 MHz, VCC = 2V T=85°C   0.2 0.5 mA
T=105°C   0.2 0.6
Active 4 MHz, VCC = 3V T=85°C   1.4 2.5
T=105°C   1.4 2.75
Active 8 MHz, VCC = 5V T=85°C   5.2 9.0
T=105°C   5.2 10
Idle 1 MHz, VCC = 2V T=85°C   0.06 0.15
T=105°C   0.06 0.20
Idle 4 MHz, VCC = 3V T=85°C   0.4 0.7
T=105°C   0.4 0.8
Idle 8 MHz, VCC = 5V T=85°C   1.5 2.7
T=105°C   1.5 3.0
Power-save mode(3) 32 KHz TOSC enabled,
VCC = 1.8V T = 25°C   1.3   μA
T = 85°C   1.9  
T = 105°C   2.5  
32 KHz TOSC enabled,
VCC = 3V T = 25°C   1.5  
T = 85°C   2.1  
T = 105°C   2.8  
Power-down mode(3)(4) WDT enabled, VCC = 3V T = 25°C   3.2  
T = 85°C   3.8 8
T = 105°C   4.6 10
WDT disabled, VCC = 3V T = 25°C   0.2  
T = 85°C   0.7 2
T = 105°C   1.4 5
Note:
  1. 1.Values with Minimizing Power Consumption enabled (0xFF).
  2. 2.Typical values are at 25°C unless otherwise noted.
  3. 3.The current consumption values include input leakage current.
Note: No clock is applied to the pad during power-down mode.