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MIC2546 Datasheet, PDF (6/12 Pages) Micrel Semiconductor – Dual Programmable Current Limit Switch Preliminary Information
MIC2546/2547
Functional Characteristics
Turn-On Response
MIC2546-1
VIN = 5V
CIN = 4.7µF
CL = 1µF
RL = 10Ω
TIME (500µs/div.)
Current-Limit Response
VIN = 5V
CIN = 4.7µF
RL = 1Ω
Thermal Shutdown
ISET = 1A
MIC2546-1
TIME (100ms/div.)
Enable Into Heavy Load
VIN = 5V
CIN = 4.7µF
RL = 1Ω
ISET = 1A
Reset
Thermal Shutdown
Output Latched
MIC2547-1
TIME (500µs/div.)
Turnoff Response
Micrel
VIN = 5V
CL = 1µF
CIN = 4.7µF RL = 10Ω
MIC2546-1
TIME (1ms/div.)
Enable Into Heavy Load
VIN = 5V
ISET = 1A
CIN = 4.7µF RL = 1Ω
MIC2546-1
TIME (100ms/div.)
Inrush Current Response
CL = 110µF
CL = 60µF
VIN = 5V
CIN = 4.7µF
RL = 10Ω
MIC2546-1
CL = 10µF
TIME (500µs/div.)
MIC2546/2547
6
June 2000