Datasheet

LTC1644
15
1644f
TIMER
10V/DIV
GATE
10V/DIV
5V
IN
– 5V
SENSE
100mV/DIV
50mV
FAULT
5V/DIV
20µs/DIV 1644 F05
TIMER
10V/DIV
GATE
10V/DIV
5V
IN
– 5V
SENSE
100mV/DIV
FAULT
5V/DIV
10µs/DIV 1644 F06
150mV
Figure 5. Overcurrent Fault on 5V Figure 6. Short-Circuit Fault on 5V
20ms/DIV 1644 F04
TIMER
10V/DIV
GATE
5V/DIV
12V
OUT
10V/DIV
V
EEOUT
10V/DIV
5V
OUT
5V/DIV
3V
OUT
5V/DIV
LOCAL_PCI_RST#
5V/DIV
BD_SEL#
5V/DIV
FAULT
5V/DIV
HEALTHY#
5V/DIV
PRECHARGE
5V/DIV
Figure 4. Power-Up into a Short on 3.3V Output
APPLICATIO S I FOR ATIO
WUU
U