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Torex Semiconductor - PWM Controlled Step-Up DC/DC Controller

Numéro de référence XC9101
Description PWM Controlled Step-Up DC/DC Controller
Fabricant Torex Semiconductor 
Logo Torex Semiconductor 





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XC9101 fiche technique
XC9101 Series
PWM Controlled Step-Up DC/DC Controller
ETR0403_006
GENERAL DESCRIPTION
The XC9101 series are step-up 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 1.5A.
With output voltage fixed internally, VOUT is selectable in 0.1V increments within a 2.5V ~ 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 using 2 external resistors.
Switching frequency can also be set externally within a range of 100 ~ 600 kHz and therefore a frequency 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 resistor and capacitor.
During shutdown (CE pin=L), consumption current can be reduced to as little as 0.5μA (TYP.) or less.
APPLICATIONS
E-book Reader / Electronic dictionaries
Portable game consoles
Mobile devices / terminals
Digital still cameras / Camcorders
Smart phones / Mobile phones
Note PCs / Tablet PCs
TYPICAL APPLICATION CIRCUIT
FEATURES
Stable Operations via Current & Voltage
Multiple Feedback
Unlimited Options for Peripheral Selection
Current Protection Circuit
Ceramic Capacitor Compatible
Input Voltage Range : 2.5V ~ 20V
Output Voltage Range : 2.5V ~ 16V
(Fixed Voltage Type)
: 30V + (Adjustable Type)
Oscillation Frequency Range
: 100 kHz ~ 600kHz
Output Current
: Up to 1.5A
Operating Ambient Temperature:-40℃~+85
Packages
: MSOP-8A
Environmentally Friendly : EU RoHS Compliant, Pb Free
TYPICAL PERFORMANCE
CHARACTERISTICS
VOUT=5.0V, fOSC=180 kHz
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