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XC9201

Torex Semiconductor
Part Number XC9201
Manufacturer Torex Semiconductor
Description PWM Controlled Step-Down DC/DC Converters
Published May 4, 2009
Detailed Description XC9201 Series PWM Controlled Step-Down DC/DC Controllers ETR0502_004 ■GENERAL DESCRIPTION The XC9201 series are step-d...
Datasheet PDF File XC9201 PDF File

XC9201
XC9201

Overview
XC9201 Series PWM Controlled Step-Down DC/DC Controllers ETR0502_004 ■GENERAL DESCRIPTION The XC9201 series are step-down multiple current and voltage feedback DC/DC controller ICs.
Current sense, clock frequencies and amp feedback gain can all be externally regulated.
A stable power supply is possible with output currents of up to 3.
0A.
With output voltage fixed internally, output voltage is selectable in 100mV increments (semi-custom) 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 reference voltage.
Using this version, the required output voltage can be set-up using 2 external resistors.
Switching frequencies can also be set-up externally within a range of 100kHz~600kHz 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 adjust...


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