MIC2025/2075
Micrel
Current-Limit Response
(Ramped Load Into Short—MIC2025-1)
Short Removed
VIN = 5V
CL = 47µF
Current-Limit
Threshold
(780mA)
Short-Circuit
Current (650mA)
Thermal
Shutdown
TIME (100ms/div.)
Current-Limit Transient Response
(Enable Into Short—MIC2025-1)
No
Load Load
640mA
Short-Circuit Current
TIME (500µs/div.)
VIN = 5V
CL = 47µF
Current-Limit Transient Response
(MIC2025-1)
No
Load Load
VIN = 5V
CL = 47µF
24µs
640mA
Short-Circuit Current
TIME (10µs/div.)
Thermal Shutdown Response
(Output Reset by Removing Load—MIC2075-1)
Output
Latched Off
Output is Reset
(Load Removed)
Ramped Load to a Short
Thermal
Shutdown
VIN = 5V
TIME (100ms/div.)
Thermal Shutdown
(Output Reset by Toggling Enable—MIC2075-1)
VIN = 5V
Enable Reset
Output Reset
RL = 35Ω
Ramped Load to a Short
Thermal
Shutdown
RL = 35Ω
TIME (100ms/div.)
MIC2025/2075
8
March 2000