RICOH/Sub PMU & White LED Driver
| RN5T561 Series |
Step-down DC/DC with LDOs |
|
| RN5T561 is the power management IC, which contains the power supply, the power supply control function and etc. in one-chip. | |
| Feature |
|
| ● |
・Power supply control function |
| ● |
・ON/OFF programmable through I2C ・PWM control ・DCDC output voltage settable by external resistor |
| ● Four LDO Regulators |
・ON/OFF programmable through I2C (Except LDO2) ・ECO-mode for LDO1, 2 and 3: Programmable through I2C ・LDO1 output voltage: Selectable by trimming work |
| ● I2C-Bus (Max 400kHz) | ・Slave Address = 32h ・LDO, DC/DC Converter control |
| ● |
・Monitoring VIN2 voltage |
| ● Package | ・16pin QFN package (Body size: 3 x 3 x 0.85mm, Pin pitch: 0.4mm) |
| ● Process | ・CMOS process |
| Applications | |
| ● Wireless Handset | |
| ● MP3 players, PDA | |
| ● Digital Still Cameras | |
| ● Portable GPS | |
| Data Sheet(PDF) | |
| RN5T561 Series | |