FEATURES

External Components ....................................... Only an inductor, a diode, and a capacitor

Standby Current ............................................... Max. 0.5A

Temperature-Drift Coefficient of Output Voltage Typ.100ppm/C

Output Voltage Range ....................................... 2.2V to 3.5V (xx1A), 2.2V to 6.0V (xx1C/D), 0.1V steps

Two choices of Basic Oscillator Frequency ..... 100kHz (xx1A/C), 180kHz (xx1D)

Output Voltage Accuracy .................................. 2.5%

Package ........................................................... SOT-23-5

Efficiency .......................................................... Typ. 88% (VIN=Set Output Voltage0.6 [V], IOUT=10mA)

Low Ripple, Low Noise

Built-in a driver transistor with low on-resistance

Start-up Voltage ................................................ Max. 0.9V

Basic Frequency change-over circuit (only for xx1A type) from Typ. 100kHz to 35kHz

APPLICATIONS

Power source for battery-powered equipment.

Power source for portable communication appliances, cameras, VCRs

Power source for appliances of which require higher voltage than battery voltage.