XC9201 series

The XC9201 series is a step-up, multiple current and voltage feedback, DC/DC controller IC. The user can externally adjust the Current Limit, internal Switching Frequency and the Gain of the Feedback Amp giving total flexibility to customize the circuit to his or her requirements.

A stable power supply is possible with output currents of up to 3.0A. With output voltage fixed internally, VOUT is selectable in 100mV steps within a 1.2V - 16.0V range (±2.5%). For output voltages outside this range, we recommend the FB version, which has a 0.9V internal VREF and the required output voltage can be set-up using 2 external resistors.

Switching frequencies can also be set-up externally within a range of 100~600 kHz and therefore frequencies suited to your particular application can be selected. With the current sense function, peak currents (which flow through the driver transistor and the coil) can be controlled. Soft-start time can be adjusted using external resistors and capacitors. During shutdown (CE pin =L), consumption current can be reduced to as little as 0.5μA (TYP.) or less and with U.V.L.O. (Under Voltage Lock Out) built-in, the external transistor will be automatically shut off below the regulated voltage.

Features:

• Input Voltage Range: 2.5V ~20V
• Output Voltage Range: 1.2V ~ 16V
• Oscillation Frequency Range: 100kHz ~600kHz
• Output Current: > 3.0A
• Current & Voltage Multiple Feedback
• Unlimited Options for Peripheral Selection
• Current Protection Circuit
• Ceramic Capacitor Compatible

Package: MSOP-8A