MIC2582/MIC2583
Micrel
Functional Characteristics
(See Figure 5, Applications Test Circuit)
Turn On Into Heavy Load - V
OUT
= 12V
FAULT CFILTER ON
10V/div 1V/div 5V/div
CFILTER ON
1V/div 5V/div
Turn On Into Short Circuit - V
OUT
= 5V
I
IN
500mA/div
TIME (20ms/div.)
I
IN
500mA/div
C
IN
= 4.7µF
C
GATE
= 0
C
LOAD
= 100µF
C
FILTER
= 100nF
R
LOAD
= 6Ω
I
LIM
= 1.7A
R
1
= 100kΩ
GATE
2V/div
1.85A
C
GATE
= C
LOAD
= 0
C
FILTER
= 100nF
C
IN
= 4.7µF
I
LIM
= 1.7A
R
1
= 33kΩ
TIME (2.5ms/div.)
Shutdown by Short Circuit - V
OUT
= 5V
(MIC2583)
FAULT
5V/div
GATE
5V/div
I
OUT
500mA/div
C
GATE
= 0
C
IN
= 4.7µF
C
LOAD
= 10µF
R
LOAD
= 5Ω
I
LIM
= 3.3A
R
1
= 33kΩ
TIME (100µs/div.)
April 2003
11
MIC2582/MIC2583
MICREL [ MICREL SEMICONDUCTOR ]
