RICOH/Sub PMU & White LED Driver
| RN5T653 Series |
CHARGE PUMP FOR WHITE LED |
|
| RN5T653 contains a constant frequency charge pump, which is optimized for White LED application. Output enable/disable, LEDs current and LDOs output voltage are individually controllable through single wire serial pulse I/F. | |
| Feature |
|
| ● |
・Current capability: Up to 80mA ・1x/1.5x switchable charge pump mode ・Power up four LEDs for backlight: Up to 20mA/LED ・Luminance control through 16-logarithmic scale ・Soft-start |
| ● |
・LDO (150mA) × 2 (ON/OFF through single wire serial pulse I/F) ・Over current Protection (ALL Regulators) and Thermal Shut-down |
| ● Others |
・UVLO ・Short-circuit Protection |
| ● Package | ・20pin QFN package (Body size: 3.0 x 3.0mm, Pin pitch 0.4mm) |
| ● Process | ・CMOS process |
| Applications | |
| ● Wireless Handset | |
| ● MP3 players, PDA | |
| ● Digital Still Cameras | |
| ● Portable GPS | |
| Data Sheet(PDF) | |
| RN5T653 Series | |