BD4201FV Regulators 1/8 Battery Backup IC BD4201FV BD4201FV is a battery backup IC. Switch that detect battery voltage and switch into back up po
BD4201FV Regulators 2/8 zBlock diagram RESET Voltage detectorVch RESET Vbat M1 REG3 DELAY Vsw2 Detection circuitVss Vro REG1 Q Q R R S S REG2 Vsw1
BD4201FV Regulators 3/8 zCircuit around pin Pin No. Pin NameFunction Pin No. Pin Name Function Vss Regulator 3 output PinVbat Back up power supply
BD4201FV Regulators 4/8 zElectrical characteristics (Unless otherwise specified Vin=6V, Ta=25°C) ParameterSymbol Min. Typ.Max. Units Conditionslin
BD4201FV Regulators 5/8 zMeasurement circuit 1 2 3 4 CS Vbat Vch Vss V V1 10µFV V2A A SW1a b b a I3I2SW2 a b SW3Ich8 7 6 5 Vro Vin Vout RESET 10µF
BD4201FV Regulators 6/8 zNote for use 1. The application circuit is recommended for use. Make sure to confirm the adequacy of the characteristic
BD4201FV Regulators 7/8 Fig.4 Simplified structure of IC(Pin A)GNDP substrateNPNNPP+P+Parasitic diodeResistanceP substrateNPNNPTransistor (NPN)B
BD4201FV Regulators 8/8 zElectrical characteristic curves Power dissipationTemperature (mW)25 50 75 100 125 150100200300400500( C)Fig.6 Power di
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