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XC9101 Datasheet(PDF) 1 Page - Torex Semiconductor |
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XC9101 Datasheet(HTML) 1 Page - Torex Semiconductor |
1 / 22 page ![]() 1/22 XC9101 Series PWM Controlled Step-Up DC/DC Controllers ■ 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 100mV 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-up using 2 external resistors. Switching frequencies can also be set-up externally within a range of 100 ~ 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 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 ● Mobile, Cordless phones ● Palm top computers, PDAs ● Portable games ● Cameras, Digital cameras ● Note book 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 : 100kHz ~ 600kHz Output Current : Up to 1.5A Package : MSOP-8A, SOP-8 ■ TYPICAL PERFORMANCE CHARACTERISTICS VOUT: 5.0V, FOSC: 180KHz ETR0403_003 |
Similar Part No. - XC9101_1 |
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Similar Description - XC9101_1 |
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