NCP347MTAETBG ON Semiconductor

NCP347 Positive Overvoltage Protection Controller with Internal Low R NMOS FET ON and Status FLAG NCP347 V V Bat Bat D3 7011X/SM NCP1835B ENABLE / Microprocessor 6 3 EN CFLG 2 7 V2P8 V2P8 FAULT 9 NCP347 Wall Adapter AC/DC VSNS V Bat 1 10 6 1 IN OUT V BAT CC 4 7 IN OUT 1 F 100 nF 5 8 ISEL IN GND NC 4.7 F 9 8 4 5 10 NC V Lithium BATTERY Bat 3 EN 270 K FLAG 15 pF ENABLE / 1 M 2 Microprocessor 0 0 Figure 1. Typical Application Circuit INPUT OUTPUT 60 mA Output Impedance = 200 k Core FLAG Gate Charge ESD Negative Driver Pump Protection Protection Delay Generator ESD 200 kHz Protection Power 10 V Oscillator LDO ON EN EN Block V V REG REG UVLO UVLO V REF OVLO OVLO ESD Protection V V DISABLE REF REF Figure 2. Functional Block Diagram