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BD4201FV Fiches technique(PDF) 1 Page - Rohm |
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BD4201FV Fiches technique(HTML) 1 Page - Rohm |
1 / 9 page BD4201FV Regulators 1/8 Battery Backup IC BD4201FV BD4201FV is a battery backup IC. Switch that detect battery voltage and switch into back up power supply and 3-channel regulator are incorporated into a single chip. Current consumption is 15 µA (Max.). This IC is perfect for portable appliances. Applications Portable video, Digital camera Features 1) Low quiescent current Normal operation < 15.0 µA Max. Backup mode < 2.1 µA Max. 2) 3 high accurate voltage regulators 3) Low dropout voltage, and high accurate voltage detectors (CS, RESET) 4) Control circuit; Backup 5) Special sequence; For shifting to the backup mode. It need to make main battery over +Vdet1 once. External dimensions (Unit : mm) SSOP-B8 5 4 8 1 3.0 ±0.2 0.22 ±0.1 0.65 (0.52) 0.15 ±0.1 0.1 Absolute maximum ratings (Ta=25 °C) Parameter Symbol Limits Unit Topr Tstg Pd mW Vbat 15 V Vin 15 15 15 V V V Main power supply input Voltage Back up power supply input Voltage Power dissipation Operating temperature Storage temperature −30 to +85 −40 to +125 C C CS output Voltage Vcs VRES 350 ∗ ∗70mm 70mm 1.6mm Glass fiber basis subtract 3.5mW / C when over 25 C RESRT output Voltage Commendable operating status (Ta=25 °C) Vin 2.0 15.0 V Vbat 2.0 15.0 V Iro 0 20.0 Iout 0 60.0 Ich - - - - - 0 20.0 Parameter Min. Max. Unit Typ. Symbol Power supply range Backup power supply range Load current range1 Load current range2 Load current range3 mA mA mA |
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