Ricoh R1163X Manuals

RICOH R1163x Series Manual(1)

The R1163x Series is a CMOS-based voltage regulator IC with high output voltage accuracy and low supply current. These ICs have chip enable function and realize a standby mode with ultra low supply current. To prevent destruction by over current, the current limit circuit is included. The R1163x Series has 3 modes. One is standby mode with CE or standby control pin. The other two modes are realized with ECO pin. Fast Transient Mode (FT mode) and Low Power Mode (LP mode) can be alternated with ECO pin. The consumption current is reduced in Low Power Mode compared to Fast Transient Mode. The output voltage is maintained between FT mode and LP mode. Furthermore, the reverse current protection circuit is built-in. Therefore, if a higher voltage than VDD pin is forced to the output pin, the reverse current to VDD pin is very small (Max. 0.1μA), making it suitable for backup circuit. Since the packages for these ICs are SOT-23-5, SON-6, and DFN(PLP)1616-6 packages, high density mounting of the ICs on boards is possible.