LTC2953
8
2953f
BLOCK DIAGRAM
LOGIC
OSCILLATOR
2.4V
34V
ZENER
2.4V
1.5k
100k
PB
GND
EN (–1)
EN (–2)
KILL
INT
PDT
0.8V
0.5V
0.6V
0.5V
2953 BD
REGULATOR
RST
PFI
PFO
HV
HV
HV
HV
HV
DEBOUNCE AND
10μs FILTER
VM
200 ms RST
DELAY
UVLO
0.5V
DEBOUNCE AND
10μs FILTER
V
IN
2.7V TO 27V
HV INDICATES A
HIGH VOLTAGE PIN
–
+
–
+
–
+
