LT3688 LINER [Linear Technology], LT3688 Datasheet - Page 12

• Manufacturer Part Number: LT3688
• Description: Dual 800mA Step-Down Switching Regulator with Power-On Reset
• Manufacturer: LINER [Linear Technology]

LT3688
TIMING DIAGRAMS
12
V
V
V
V
V
V
RST1
RST2
RST1
RST2
RST1
RST2
WDO
WDO
WDO
OUT1
OUT2
OUT1
OUT2
OUT1
OUT2
WDI
WDI
WDI
t
RST2
t
t
t
V
RST1
RST2
WDU
V
V
V
V
UV
UV
UV
UV
UV
V
V
= RESET THRESHOLD
= WATCHDOG WINDOW UPPER BOUNDRY
UV
UV
= PROGRAMMED RESET PERIOD (C
= PROGRAMMED RESET PERIOD (C
STARTUP TIMING (V
STARTUP TIMING (V
STARTUP TIMING (V
t
RST1
t
t
t
RST1
RST1
RST2
CONFIG
CONFIG
CONFIG
t
t
t
WDU
WDU
WDU
POR1
POR2
= OPEN)
= HIGH)
= LOW)
)
)
3688 TD
3688f