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XC6221D081NR Datasheet(PDF) 1 Page - Torex Semiconductor |
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XC6221D081NR Datasheet(HTML) 1 Page - Torex Semiconductor |
1 / 23 page 1/23 XC6221x182 1.3 1.4 1.5 1.6 1.7 1.8 1.9 Time (500us/div) 0 50 100 150 200 250 300 Output Voltage Output Current VIN=CE=2.8V, Tr=Tf=5us Topr=25℃, CIN=CL=1uF (ceramic) ■ APPLICATIONS ● Cellular phones ● Cordless phones ● Wireless communication equipment ● Portable games ● Cameras, VCRs ● Portable AV equipment ● PDAs ■ TYPICAL APPLICATION CIRCUIT ■ FEATURES Output Current : 200mA <Up to 250mA (TYP.)> Dropout Voltage :80mV@ IOUT=100mA,VOUT=3.0V Operating Voltage Range : 1.6V ~ 6.0V : 0.8V~5.0V (0.05V increments) Output Voltages Accuracy Low Power Consumption Stand-by Current : +2% (VOUT >1.5V) (+1% option is available) +30mV (VOUT≦1.45V) (+20mV option is available) : 25μA (TYP.) : Less than 0.1μA High Ripple Rejection : 70dB @ 1kHz Operating Temperature : -40℃~85℃ Low ESR Capacitor : 1.0μF ceramic capacitor CL High-Speed Auto-Discharge (XC6221B) CE Pin internally pulled-down Low Output Noise Ultra Small Packages : USP-4, SOT-25, SSOT-24 USPN-4 ■ TYPICAL PERFORMANCE CHARACTERISTICS ● Load Transient Response ■ GENERAL DESCRIPTION The XC6221 series is a high accuracy, low noise, high speed, low dropout CMOS regulator with high ripple rejection. The series includes a reference voltage source, an error amplifier, a current limiter, and a phase compensation circuit. The CE function enables the entire circuit to be in stand-by state by inputting low level signal. In this stand-by mode, the electric charge at the output capacitor (CL) will be discharged by the internal auto-discharge switch, and as a result the VOUT pin quickly returns to the VSS level. The output stabilization capacitor (CL) is also compatible with low ESR ceramic capacitors. Output voltage is selectable in 0.05V increments within a range of 0.8V~5.0V, using the laser trimming technology set in factory. The current limiter's fold-back circuit also operates as a short circuit protection and an output current limiter at the output pin. The series achieves a fast response with only 25μA of low power consumption. Also the series has low dropout voltage characteristics, which is 80mV at IOUT=100mA and VOUT=3.0V. With the use of small USP-4 and ultra small USPN-4 packages, a small footprint circuit can be designed. ETR0328_009 |
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