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ST2L01PT Scheda tecnica(PDF) 4 Page - STMicroelectronics |
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ST2L01PT Scheda tecnica(HTML) 4 Page - STMicroelectronics |
4 / 12 page ST2L01 4/12 ELECTRICAL CHARACTERISTICS OF OUTPUT 2 (VI=5V, IO2=10mA Tj = 0 to 125°C unless otherwise specified. Typical values are referred at Tj = 25°C, CI = 1µF (Tantalum), CO1 = CO1 =1µF (X7R). Refer to "Typical Application Circuit "figure with R1=R2=120Ω". Note 1: Low duty cycle pulse testing with Kelvin connections are required in order to maintain accurate data Note 2: Dropout Voltage is defined as the minimum differential voltage between VI and VO required to mantain regulation at VO. It is measured when the output voltage drops 1% below its nominal value. Note 3: Transient response is defined with a step change in load from 10mA to 500mA as the time from the load step until the output voltage reaches it’s minimum value. Note 4: Minimum load current is defined as the minimum current required at the output in order for the output voltage to maintain regulation. Note 5: Guaranteed by design, not tested in production. Symbol Parameter Test Conditions Min. Typ. Max. Unit VI Operating Input Voltage IO2 =5mA to 1A Tj = 0 to 125°C 4.5 V VO2 Output Voltage 2 Tj = 25°C 2.45 2.5 2.55 V VREF Reference Voltage (measured between pins 4 and 2) Tj = 25°C 1.225 1.25 1.275 V IO1 = 5mA to 1A VI = 4.75 to 5.25V Tj = 0 to 125°C 1.2125 1.25 1.2875 ∆V O2 Line Regulation 2 VI = 4.75 to 5.25V 0.004 0.2 % ∆V O2 Load Regulation 2 IO = 0.01 to 1A (Note 1) 0.08 0.4 % VD2 Dropout Voltage 2 IO = 1A Tj = 0 to 125°C (Note 2) 1.1 1.3 V tTR Transient Response IO = 10 to 500mA trise = tfall = 1µs (Note 3, 5) <1 µs ISC2 Current Limit 2 RL = 0 Tj = 0 to 125°C 1 A IO2 Minimum Load Current 2 Tj = 0 to 125°C (Note 4) 1 mA IADJ Adjust Pin Current Tj = 0 to 125°C 35 120 µA ∆I ADJ Adjust Pin Current IO1 = 5mA to 1A VI = 4.75 to 5.25V Tj = 0 to 125°C 05 µA SVR2 Supply Voltage Rejection VI = 5 ±0.25V IO1 = 100 mA Tj = 0 to 125°C (Note 5) fI = 100Hz 70 77 dB fI = 1KHz 70 80 fI = 10KHz 50 65 fI = 100KHz 30 43 Thermal Regulation 2 IO = 1A, tPULSE = 30ms (Note 5) 0.1 %/W eN2 Output Noise 1 B= 10Hz to 10KHz (Note 5) 30 µVrms ∆V REF Temperature Stability Tj = 0 to 125°C (Note 5) 0.5 %VO ∆V REF Long Term Stability Tj = 125°C, 1000Hrs (Note 5) 0.3 %VO |
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