CS8151C View Datasheet(PDF) - Cherry semiconductor

Part Name

Description

Manufacturer

CS8151C

5V, 100mA Low Dropout Linear Regulator with Watchdog, RESET, & Wake Up

Cherry semiconductor 

Timing Diagrams

Figure 1a. Power Up, Sleep Mode and Normal Operation

VIN

______

RESET

WAKE UP

WAKE UP Duty Cycle = 50%

WDI

VOUT-

POR

______

RESET High

to Wakeup

Delay Time

Power Up

Sleep Mode

Normal Operation with varying WATCHDOG Signal

Figure 1b. Error Condition: Watchdog remains LOW and a RESET is issued

VIN

______

RESET

______

RESET delay time

WAKE UP

WDI

VOUT

POR

______

RESET HIGH

to WAKE UP

DELAY TIME

WAKE UP

period

______

RESET HIGH

to WAKEUP

DELAY TIME

Figure 1c. Power Down and Restart Sequence

______

RESET

WAKE UP

WDI

VOUT

POR

RTL

POWER DOWN

WATCHDOG Pulse Width

4

WAKE UP period

POR

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