Datasheet

21
4251b12f
LTC4251B/LTC4251B-1/
LTC4251B-2
Figure 13. Current Limit Behavior (All Waveforms are Referenced to V
EE
)
(13a) Analog Current Limit Fault (13b) Fast Current Limit Fault
Figure 14. Latched Fault Reset Timing (All Waveforms are Referenced to V
EE
)
APPLICATIONS INFORMATION
TIMER
GATE
SENSE
V
OUT
V
ACL
V
TMRH
V
CB
58μA
5.8μA
5.8μA
1432
230μA
4251b12 F13a
TIMER
GATE
SENSE
V
OUT
V
FCL
V
ACL
V
TMRH
V
CB
5.8μA
230μA
12
TIMER LATCHES OFF
4251b12 F13b
TIMER
GATE
SENSE
V
ACL
V
TMRH
V
TMRL
V
CB
5.8μA
5.8μA
5.8μA
156432
230μA
58μA
58μA
RESET LATCHED TIMER FAULT BY EXTERNAL LOW PULSE.
4251b12 F14