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| MIC2545A Datasheet, PDF (8/16 Pages) Micrel Semiconductor – Programmable Current Limit High-Side Switch | |||
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MIC2545A/2549A
Functional Characteristics
Turn-On Response
500mA
MIC2545A-1
VIN = 5V
CL = 100µF
RL = 10â¦
TIME (500µs/div.)
Current-Limit Response
Load Removed
Thermal Shutdown
Current-Limit Threshold 1.12A (ITH)
ISET = 1A
C = 5V
RL = 1â¦
MIC2545A-1
TIME (100ms/div.)
Micrel
Turnoff Response
VIN = 5V
CL = 100µF
RL = 10â¦
500mA
MIC2545A-1
TIME (1ms/div.)
Short-Circuit Response
Short Circuit
Current-Limit Threshold 1.12A
Short-Circuit Current
820mA (ISHORT)
Thermal
Shutdown
MIC2545A-1
VIN = 5V
TIME (100ms/div.)
Enable Into Short Circuit
Thermal
Shutdown
Short-Circuit Current
820mA
VIN = 5V
RSET = 240â¦
MIC2545A-1
TIME (100ms/div.)
Inrush Current Response
VIN = 5V
RL = 10â¦
CL = 490µF
CL = 130µF
MIC2545A-1
CL = 10µF
TIME (500µs/div.)
MIC2545A/2549A
8
June 2000
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