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BD4201FV
Regulators
2/8
zBlock diagram
RESET Voltage detector
Vch
RESET
Vbat
M1
REG3
DELAY
Vsw2 Detection circuit
Vss
Vro
REG1
Q
R
S
REG2
Vsw1 Detection
circuit
CS Voltage
detection
Vout
Vin
CS
Switch control circuit
Fig. 1