XC6221B1827R-G
数据手册.pdfLDO Regulator Pos 1.8V 0.25A 4Pin USPN T/R
■ 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. As for the XC6221B/D 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.
■ FEATURES
Maximum Output Current : 200mA
Dropout Voltage : 80mV@ IOUT=100mA,VOUT=3.0V
Operating Voltage Range : 1.6V ~ 6.0V
Output Voltage Range : 0.80V~5.00V 0.05V increments
Accuracy : +2% VOUT >1.50V Standard
+30mV VOUT≦ 1.45V Standard
+1% VOUT >2.00V High Accuracy
+20mV VOUT≦ 1.95V High Accuracy
Low Power Consumption : 25μ A TYP.
Stand-by Current : Less than 0.1μ A
High Ripple Rejection : 70dB @ 1kHz
CE Function : CE Active High
Standby current below 0.1μ A
CL High-Speed Auto-Discharge
XC6221B/D
CE Pin internally pulled-down
XC6221C/D
Low ESR Capacitor : 1.0μ F ceramic capacitor
Low Output Noise
Operating Ambient Temperature : -40℃ ~+85℃
Packages : USP-4, SOT-25, SSOT-24 USPN-4
Environmentally Friendly : EU RoHS Compliant, Pb Free
■ APPLICATIONS
● Cellular phones
● Cordless phones
● Wireless communication equipment
● Portable games
● Cameras, VCRs
● Portable AV equipment
● PDAs