RICOH/Sub PMU & White LED Driver
| RN5T564 Series |
7-channel Power Management IC |
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| RN5T564 is the power management IC for Application Processors. It integrates 2 high-efficiency Step-down DCDC controllers, 5 Low dropout regulators, Power control logic, Reset Detection, I2C interface and etc. This IC is suitable for SiRF Atlas iii, Samsung S3C24xx and S3C64xx. |
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| Feature |
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| ● |
・DC/DC1 0.9 to 1.6V by trimming @ 500mA (for Core) PWM/VFM mode ・DC/DC2 0.9 to 3.3V by external resistor @ 500mA (for Memory) * When DCDC1 is OFF, DCDC2 must not be loaded the current of 50mA or more |
| ● |
・LDO1,LDO2,LDO3 1.2 to 3.3V by trimming @ 150mA ・LDO4,LDO5 Programmable 1.2 to 3.3V @ 300mA with ECO Mode ・Over current Protection (All Regulators) |
| ● I2C-Bus (Max 400kHz) |
・Address = 64h ・ON/OFF control ・Individual LDOs voltage value setting |
| ● Others | ・Soft-start circuit (DCDC1,2) ・Short-circuit Protection and Thermal Protection ・UVLO Function |
| ● |
・28pin Thin QFN package (Body size: 4 x 4 x 0.8mm) |
| ● Process | ・CMOS process |
| Applications | |
| ● Wireless Handset | |
| ● MP3 players, PDA | |
| ● Digital Still Cameras | |
| ● Portable GPS | |
| Data Sheet(PDF) | |
| RN5T564 Series | |