cs8151 ON Semiconductor, cs8151 Datasheet - Page 6

• Manufacturer Part Number: cs8151
• Description: 5v, 100ma Low Dropout Linear Regulator With Watchdog, Resetbar, & Wake Up
• Manufacturer: ON Semiconductor

V
RESET
Wake Up
WDI
V
V
RESET
Wake Up
WDI
V
RESET
Wake Up
WDI
V
IN
OUT
IN
OUT
OUT
Power Up
Figure 3. Error Condition: Watchdog Remains Low and a RESET Is Issued
RESET High
RESET High
to Wake Up
to Wake Up
Delay Time
Delay Time
Pulse Width
POR
POR
POR
Watchdog
Figure 2. Power Up, Sleep Mode and Normal Operation
Sleep Mode
Figure 4. Power Down and Restart Sequence
Wake Up
Period
Watchdog Pulse Width
TIMING DIAGRAMS
RESET High
http://onsemi.com
to Wake Up
Delay Time
RESET Delay Time
CS8151
Normal Operation with Varying Watchdog Signal
RTL
Power Down
6
POR
Duty Cycle = 50%
Wake Up Period
Wake Up