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XC9101D29AKR Datasheet(PDF) 1 Page - Torex Semiconductor |
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XC9101D29AKR Datasheet(HTML) 1 Page - Torex Semiconductor |
1 / 19 page PWM Controlled Step-Up DC/DC Controllers Series 387 4 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 steps 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 100~600 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 resistor and capacitor. During shutdown (CE pin =L), consumption current can be reduced to as little as 0.5 µA (TYP.) or less. ■General Description GStable Operations via Current & Voltage Multiple Feedback GUnlimited Options for Peripheral Selection GCurrent Protection Circuit GCeramic Capacitor Compatible GMobile, Cordless phones GPalm top computers, PDAs GPortable games GCameras, Digital cameras GLaptops ■Features ■Applications NInput Voltage Range : 2.5V ~ 20V NOutput Voltage Range : 2.5V ~ 16V (Fixed Voltage Type) : 30V + (Adjustable Type) NOscillation Frequency Range : 100kHz ~ 600kHz NOutput Current : up to 1.5A NCeramic Capacitor Compatible NMSOP-8A Package VIN=2.5V 4.2V 3.3V 40 60 80 100 1 10 100 1000 Output Current : IOUT (mA) CLK 5 1 EXT 2 Isen 3 VIN 4 CE/SS VOUT 7 GAIN 6 Vss 8 U3FWJ44N 50mΩ 22μH 220μF +10μF 150kΩ 0.1μF 1μF 22KΩ XP161A1355PR 180pF 470pF 94μF ■Typical Application Circuit ■Typical Performance Characteristic VOUT:5.0V FOSC:180kHz 04S_01XC9101/9102新規 02.09.12 14:37 ページ 387 |
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