View ln6210 datasheet:

 LN6210 700 mA Low Dropout CMOS Voltage Regulators  High ripple rejection : 60dB (1 kHz) ■ General Description  Low power consumption : 30μA (TYP.) The LN6210 series are highly precise, low noise, positive  Maximum output current : 700mA（V ≥V +1v） IN OUT voltage LDO regulators manufactured using CMOS  Standby current : less than 0.1μA processes. The series achieves high ripple rejection and  Internal protector : current limiter low dropout and consists of a standard voltage source, an error correction, current limiter and a phase compensation ■ Applications circuit plus a driver transistor. Output voltage is selectable  CD-ROMs，CD-R/RW drive in 100mV increments within a range of 1.0V ~ 5.0V. The  DVD drive series is