MIC2588/MIC2594
Micrel
Functional Characteristics
Turn-On Response
DRAIN V
GATE
(50V/div) (5V/div)
Hot-Plug Turn-On Response
I
LOAD
DRAIN /PWRGD
(500mA/div) (20V/div) (20V/div)
V
GATE
(10V/div)
I
LOAD
(1A/div)
TIME (5ms/div.)
/PWRGD
(50V/div)
R
SENSE
= 0.05Ω
C
FDBK
= 22nF
R
SENSE
= 0.05Ω
C
FDBK
= 22nF
C
3
= 0.47µF
R
FDBK
= 1.2kΩ
TIME (25ms/div.)
Turn-On (Circuit Breaker Trip) Into Large C
LOAD
DRAIN
(50V/div)
V
GATE
(5V/div)
Overcurrent Response (Short Circuit)
Short Circuit Applied
Circuit Breaker Trips
V
SENSE
(50mV/div)
V
GATE
(5V/div)
R
SENSE
= 0.01Ω
C
5
= 1500µF
C
FDBK
= 6.8nF
C
3
= 0.22µF
I
LOAD
(2A/div)
TIME (100µs/div.)
I
LOAD
(2A/div)
R
SENSE
= 0.01Ω
C
FDBK
= 22nF
C
2
= C
3
= 0.22µF
TIME (100µs/div.)
M9999-083005
9
September 2005
MICREL [ MICREL SEMICONDUCTOR ]
