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LK112SM14TR Folha de dados(PDF) 2 Page - STMicroelectronics |
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LK112SM14TR Folha de dados(HTML) 2 Page - STMicroelectronics |
2 / 11 page LK112S SERIES 2/11 ABSOLUTE MAXIMUM RATINGS CONNECTION DIAGRAM (top view) PIN DESCRIPTION ELECTRICAL CHARACTERISTICS FOR LK112 (Tj = 25°C, VIN=VOUT+1V (see Note 1), IOUT=0mA, VSHDN=1.8V, CI = 1 µF, CO = 2.2µF, CBYPASS = 0.1µF unless otherwise specified) Note 1: for version with output voltage less than 2V VIN=2.4V Note 2: only for version with output voltage more than 2.1V Symbol Parameter² Value Unit VI DC Input Voltage 16 V VSHDN Shutdown Input Voltage 16 V IO Output Current Internally limited Tstg Storage Temperature Range -55 to +150 °C Top Operating Junction Temperature Range -30 to +80 °C SOT23-5L Pin N° Symbol Name and Function 1 SHDN Shutdown Input: Disables the regulator when is connected to GND or to positive voltage less than 0.6V 2 GND Ground Pin: Internally connected to the die attach flag to decrease the total thermal resistance and increase the package ability to dissipate power. 3 Bypass Bypass Pin: Bypass with 0.1 µF to improve the Vref thermal noise performances. 4 OUT Output Port 5 IN Input Port Symbol Parameter Test Conditions Min. Typ. Max. Unit Id Quiescent Current ON MODE (except ISHDN) 175 250 µA OFF MODE VI = 8V VSHDN = 0V 0 0.1 µA VO Output Voltage IO = 30mA (see table) ∆V O Line Regulation VI = VO+1V to VO+6V, VO ≤ 5.6V 0.7 20 mV VI = VO+1V to VO+6V, VO > 5.6V 0.8 40 mV ∆V O Load Regulation IO = 1 to 60mA 15 30 mV IO = 1 to 200mA 30 90 mV Vd Dropout Voltage IO = 60 mA (see Note 2) 0.17 0.24 V IO = 200 mA (see Note 2) 0.35 0.5 V ISC Short Circuit Current 200 mA SVR Supply Voltage Rejection VI = VO+1.5V CBYP = 0.1µF CO = 10µF f = 400Hz IO = 30mA 55 dB eN Output Noise Voltage B= 10Hz to 80KHz CBYP = 0.1µF CO = 10µFVI = VO+1.5V,IO = 60mA 30 µVrms ISHDN Shutdown Input Current VSHDN = 1.8V Output ON 12 35 µA VSHDN Shutdown Input Logic Output ON Output OFF 1.8 0.6 V V ∆V O/Tj Output Voltage Temperature Coefficient IO = 10mA 0.09 mV/°C |
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