ncv8612b ON Semiconductor, ncv8612b Datasheet - Page 14

• Manufacturer Part Number: ncv8612b
• Description: Ncv8612b Ultra-low Iq Automotive System Power Supply Ic Power Saving Triple-output Linear Regulator
• Manufacturer: ON Semiconductor

ASO_RAIL
Enable
VIN_H
VIN_A
VIN_B
LDOX
13.2V
13.2V
13.2V
Delay
Reset
19V
16V
19V
xxV
8V
7V
Voltage from SMPS ASIC
Figure 7. Auto Switchover Circuit Timing Diagram VBATTMON Connected to ASO_RAIL
8V Switching Output
Turns On. 8V Switching Output
Voltage from SMPS ASIC
Turns Off.
D
VIN−H
Loss of VIN−B
drop of D
on output load conditions
Duration of T
VIN−H
T
VIN−H
Undervoltage
VIN−H
dependant
Lockout
and
VIN−B Turns
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Back On
14
Overvoltage on VIN−B
Overvoltage
Shutdown
ASIC Turns On.
Output Voltage
8V Switching
from SMPS
Voltage Clamped at 16 V
Shutdown via
Enable