CS8151C Cherry Semiconductor Corporation, CS8151C Datasheet - Page 4

• Manufacturer Part Number: CS8151C
• Description: 5V/ 100mA Low Dropout Linear Regulator with Watchdog/ RESET/ & Wake Up
• Manufacturer: Cherry Semiconductor Corporation

Figure 1c. Power Down and Restart Sequence
Figure 1a. Power Up, Sleep Mode and Normal Operation
Figure 1b. Error Condition: Watchdog remains LOW and a
______
RESET
WAKE UP
WDI
V
OUT
V
______
RESET
WAKE UP
WDI
V
IN
OUT
V IN
______
RESET
WAKE UP
WDI
V
OUT
-
Power Up
POR
______
RESET High
to Wakeup
Delay Time
POR
______
RESET HIGH
to WAKE UP
DELAY TIME
POR
Sleep Mode
WAKE UP
WATCHDOG Pulse Width
period
______
RESET HIGH
to WAKEUP
DELAY TIME
Timing Diagrams
______
RESET delay time
RTL
RESET
Normal Operation with varying WATCHDOG Signal
POWER DOWN
4
is issued
POR
WAKE UP Duty Cycle = 50%
WAKE UP period