ltc2917cddb-b1-trpbf Linear Technology Corporation, ltc2917cddb-b1-trpbf Datasheet - Page 8

• Manufacturer Part Number: ltc2917cddb-b1-trpbf
• Description: Ltc2918 - Voltage Supervisor With 27 Selectable Thresholds And Watchdog Timer
• Manufacturer: Linear Technology Corporation

LTC2917/LTC2918
BLOCK DIAGRAM
TIMING DIAGRAMS
8
VM
WDI
WDI
RST
RST
+
–
SEL1
3 STATE
DECODE
0.5V
REFERENCE
SEL2
MONITOR
DIVIDER
DIVIDER
MATRIX
MATRIX
t < t
LTC2917
WDL
TOL
Watchdog Timing (LTC2917-A, LTC2918-A)
Watchdog Timing (LTC2917-B, LTC2918-B)
RST
VM
t
RST
–
+
V
MTx
1V
Monitor Input Timing
MR
LTC2918
t > t
t
UV
WDL
V
CC
100k
200ms TIMER
RESET TIMER
ADJUSTABLE
ADJUSTABLE
t
1.6 SECOND
WATCHDOG
RST
INTERNAL
INTERNAL
TIMER
TIMER
RT
WT
t
t
WDU
WDU
29178 TD01
V
V
CC
CC
DETECT
DETECT
DRIVER LOGIC
WATCHDOG
RESET
LOGIC
t
t
RST
RST
WDI
V
29178 TD01
CC
29178 TD03
RST
GND
V
6.2V
29178 BD
CC
29178fb