■Features

Action voltage range

Output voltage range

: 2.8V ~ 16.0V

: 1.2V～

Output voltage external setting

Output current

: 0.9V (accuracy ±1.5%)

: ~3.0A

Oscillation frequency: 300kHz, 500kHz, 1.0MHz

Control method: PWM control (XA9220)

PWM/PFM automatic switching and control

(XA9221)

soft start function: Internal setting 4ms

(XA9220/21A, 500kHz)

External settings (XA9220/21B)

Protection circuit: integral protection 1.0ms

(A, B series)

Short network protection

Low ESR Compatible with capacitors

package : SOT-25