MIC2544-1 MICREL [Micrel Semiconductor], MIC2544-1 Datasheet - Page 8

• Manufacturer Part Number: MIC2544-1
• Description: Programmable Current Limit High-Side Switch Preliminary Information
• Manufacturer: MICREL [Micrel Semiconductor]

MIC2544/2548
Functional Characteristics
MIC2544/2548
MIC2544-1
MIC2544-1
MIC2548-1
V
C
R
IN
IN
L
= 1Ω
= 5V
= 4.7µF
Thermal Shutdown
Current-Limit Response
Enable Into Heavy Load
V
C
R
I
SET
Turn-On Response
IN
IN
L
= 1Ω
= 5V
= 4.7µF
TIME (100ms/div.)
= 1A
TIME (500µs/div.)
TIME (500µs/div.)
I
SET
= 1A
Thermal Shutdown
V
C
C
R
IN
IN
L
L
= 1µF
= 10Ω
= 5V
= 4.7µF
Output Latched
Reset
8
MIC2544-1
MIC2544-1
MIC2544-1
C
Inrush Current Response
C
Turnoff Response
Enable Into Heavy Load
L
L
= 110µF
= 60µF
TIME (1ms/div.)
TIME (100ms/div.)
TIME (500µs/div.)
V
C
IN
IN
C
V
C
= 5V
= 4.7µF
L
IN
IN
= 10µF
= 5V
= 4.7µF
V
C
R
IN
IN
L
= 10Ω
= 5V
= 4.7µF
C
R
L
L
= 1µF
= 10Ω
I
R
SET
L
= 1Ω
= 1A
June 2000
Micrel