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L1188G-XX-AA3-A-R Datasheet(PDF) 3 Page - Unisonic Technologies |
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L1188G-XX-AA3-A-R Datasheet(HTML) 3 Page - Unisonic Technologies |
3 / 4 page L1188 Preliminary CMOS IC UNISONICTECHNOLOGIESCO.,LTD 3 of 4 www.unisonic.com.tw QW-R502-324.d ABSOLUTE MAXIMUM RATING PARAMETER SYMBOL RATINGS UNIT Input, Output Voltage GND - 0.3 ~ VIN + 0.3 V Input Voltage VIN 8 V Output Current IOUT 1 A Power Dissipation PD 800 mW Junction Temperature TJ 125 °C Ambient Operating Temperature TOPR - 40 ~ +85 °C Storage Temperature TSTG - 65 ~ +150 °C Notes: 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. THERMAL DATA PARAMETER SYMBOL RATINGS UNIT Junction to Ambient θJA 135 °C/W Junction to Case (Note) θJC 31 °C/W Note: Measure θJC on backside center of tab. ELECTRICAL CHARACTERISTICS (TA = 25°C, unless otherwise specified.) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Input Voltage VIN Note1 7 V Output Voltage Accuracy VOUT IOUT = 1mA -1.5 1.5 % Line Regulation OUT OUT V V Δ IOUT=1mA VIN=VOUT+1~VOUT+2 1.8V≤VOUT≤2.0V -0.15 0.15 % 2.0V<VOUT<4.0V -0.1 0.02 0.1 % VOUT≥4.0V -0.4 0.2 0.4 % Load Regulation OUT OUT V V Δ IOUT =1mA~800mA 0.2 1 % Output Current IOUT VOUT≥1.8V 800 mA Current Limit ILIMIT VOUT≥1.8V 900 mA Short Circuit Current ISC VOUT<0.8V 400 800 mA Quiescent Current IQ IOUT=0mA 30 50 μA Ground Pin Current IGND IOUT=1mA ~ 800mA 35 μA Dropout Voltage VD IOUT=800mA VOUT=VOUT(NOM)-2.0% 1.8V≤VOUT(NOM)≤2.0V 1400 mV 2.0V<VOUT(NOM)≤2.8V 1000 mV 2.8V<VOUT(NOM) 800 mV Over Temperature Shutdown OTS 150 °C Over Temperature Hysteresis OTH 30 °C Temperature Coefficient of Output Voltage TCVO 30 ppm/°C Power Supply Ripple Rejection PSRR IOUT=100mA CO=2.2μF f=100Hz 60 dB f=1kHz 50 dB f=10kHz 20 dB Output Voltage Noise eN IOUT=10mA, COUT=2.2μF, f=10Hz~100kHz 30 μVRMS Notes: 1. VIN(MIN)=VOUT+VD 2. To prevent the Short Circuit Current protection feature from being prematurely activated, the input voltage must be applied before a current source load is applied. |
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