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BD437L

製品説明
仕様・特性

XC6415 Series ETR0332-007 Dual LDO Regulator with ON/OFF Switch ■GENERAL DESCRIPTION The XC6415 series is a highly accurate, CMOS Dual LDO voltage regulator. Performance features include low output noise, high ripple rejection rate, and low dropout. Extremely dense power supply circuit can be organized with a 2 channeled high speed voltage regulator in low ON resistance which is built-in to an ultra small USP-6C package. The output voltage for each regulator is set independently by laser trimming and selectable in 0.05V increments within a range of 0.8 to 5.0V. The EN function allows the output of each regulator to be turned off independently. In this state, the electric charge at the output capacitor (CL) will be discharged via 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. The high level of output stability is maintained even during frequent load fluctuations, due to the excellent transient response performance. Because regulator 1 and 2 are completely isolated, a cross talk between each channel, which causes a problem during load fluctuations, can be greatly reduced. ■APPLICATIONS ■FEATURES Output Current Dropout Voltage ● Mobile phones ● Cordless phones, Wireless communication equipment ● Portable game consoles ● Digital still cameras, Digital video cameras ● Portable audio equipment ● PDAs ■TYPICAL APPLICATION CIRCUITS : 200mA (300mA limit, TYP.) : 95mV @ IOUT=100mA VOUT=3.0V Operating Voltage Range : 1.5V~6.0V Output Voltage Range : 0.8V~5.0V (0.05V increments) High Accuracy : + 1% @ VOUT>2.0V + 2% @ VOUT≧1.5V + 20mV @VOUT<2.0V + 30mV @VOUT<1.5V Low Power Consumption : 28μA/ch (TYP.) Stand-by Current : Less than 0.1μA Ripple Rejection : 65dB@1kHz Operating Temperature Range : - 40OC ~ 85OC Low ESR Capacitor : 1.0μF ceramic capacitors Packages : USP-6C, SOT-26, USPN-6 Environmentally Friendly : EU RoHS Compliant, Pb Free ■TYPICAL PERFORMANCE CHARACTERISTICS 6 1 ● Cross Talk XC6415(VOUT1=3.3V, VOUT2=2.5V) 5 250 Output Voltage(VR1) : VOUT (V) 4 3 3.35 200 Output Voltage(VR1 : 10mA) 3.30 3.25 150 Output Current (VR2 : 0.1mA→50mA) 3.20 100 50 3.15 Output Current(VR2) : IOUT (mA) 2 3.40 VIN=4.3V, tr=tf=5μS, Ta=25℃ IOUT2=0.1→50mA, CIN=CL1=CL2=1.0μF(ceramic) 0 Time (200uS/div) 1/24

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