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LR1121B Datasheet(PDF) 4 Page - E-Tech Electronics LTD |
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LR1121B Datasheet(HTML) 4 Page - E-Tech Electronics LTD |
4 / 8 page LR1121B CMOS IC UNISONICTECHNOLOGIESCO.,LTD 4 of 8 www.unisonic.com.tw QW-R502-101.D ABSOLUTE MAXIMUM RATINGS (Ta=25°C) PARAMETER SYMBOL RATINGS UNIT VIN 7 V Input Voltage VON/OFF 0.3 ~ VIN+0.3 V Output Voltage VOUT -0.3 ~ VIN+0.3 V Power Dissipation PD 280 mW Junction Temperature TJ 125 °C Operating Temperature TOPR -40 ~ +85 °C Storage Temperature TSTG -40 ~ +125 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. ELECTRICAL CHARACTERISTICS (TA=25°C, unless otherwise specified.) PARAMETER SYMBOL TEST CIRCUIT TEST CONDITIONS MIN TYP MAX UNIT Output Voltage VOUT 1 VIN=VOUT+1.0V, IOUT=30mA VOUT ×0.98 VOUT ×1.02 V Output Current IOUT 3 VIN V ≧ OUT+1.0V 200 mA Input Voltage VIN 2.0 7 V Line Regulation V △ OUT(LINE) V △ IN×VOUT 1 VOUT+0.5V≤VIN≤7V IOUT=30mA 0.04 0.2 %/V Load Regulation V △ OUT(LOAD) 1 VIN=VOUT+1.0V 1.0mA≤IOUT≤80mA 15 40 mV Output Voltage Temperature Coefficient V △ OUT Ta× △ VOUT 1 VIN=VOUT+1.0V, IOUT=30mA -40°C ≤Ta≤85°C ±100 ppm/°C Supply Current ISS1 2 VIN=VOUT+1.0V, ON/OFF pin=ON, no load 30 65 Supply Current During standby ISS2 2 VIN=VOUT+1.0V, ON/OFF pin=OFF, no load 0.1 1.0 μA Short Circuit Current ISHORT 3 VIN=VOUT+1.0V, ON/OFF pin=ON, VOUT=0V 230 mA High VSH 4 VIN=VOUT+1.0V, RL=10KΩ 1.6 VIN V Shutdown Pin Input Voltage Low VSL 4 VIN=VOUT+1.0V, RL=10KΩ 0 0.3 High ISH 4 VIN=7V, VON/OFF= VIN -0.1 0.1 μA Shutdown Pin Input Current Low ISL 4 VIN=7V, VON/OFF= VSS -0.1 0.1 Ripple Rejection RR 5 VIN=VOUT+1.0V, f=1.0kHz Ripple 0.5Vp-p 70 dB ELECTRICAL CHARACTERISTICS OF DROPOUT VOLTAGE (Ta=25°C) VD (Dropout Voltage) Output Voltage VOUT(V) Condition MIN TYP MAX UNIT 2.1V≤VOUT(S)≤2.4V 0.22 0.70 V 2.5V≤VOUT(S)≤2.7V 0.20 0.35 V 2.8V≤VOUT(S)≤3.3V 0.18 0.30 V 3.4V≤VOUT(S)≤5.5V IOUT=100mA 0.15 0.26 V |
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