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L4902A Datasheet(PDF) 3 Page - STMicroelectronics |
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L4902A Datasheet(HTML) 3 Page - STMicroelectronics |
3 / 9 page ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VIN DC Input Voltage Transient Input Overvoltage (t = 40ms) 28 60 V V Io Output Current Internally Limited Tstg,Tj Storage and Junction Temperature – 40 to 150 °C THERMAL DATA Symbol Parameter Value Unit Rth j-case Thermal Resistance Junction-case Max 4 °C/W ELECTRICAL CHARACTERISTICS (VIN = 14.4V, Tamb =25 oC unless otherwise specified)) Symbol Parameter Test Conditions Min. Typ. Max. Unit Vi DC Operating Input Voltage 24 V V01 Output Voltage 1 R Load 1k Ω 4.95 5.05 5.15 V V02 H Output Voltage 2 HIGH R Load 1k Ω V01 –0.1 5 V01 V V02 L Output Voltage 2 LOW I02 = – 5mA 0.1 V I01 Output Current 1 max. ∆V01 = – 100mV 300 mA IL01 Leakage Output 1 Current VIN =0,V01 ≤ 3V 1 µA I02 Output Current 2 max. ∆V02 = – 100mV 300 mA Vi01 Output 1 Dropout Voltage (*) I01 = 10mA I01 = 100mA I01 = 300mA 0.7 0.8 1.1 0.8 1 1.4 V V V VIT Input Threshold Voltage V01 + 1.2 6.4 V01 + 1.7 V ViTH Input Threshold Voltage Hyst. 250 mV ∆V01 Line Regulation 1 7V < VIN < 24V, I01 = 5mA 5 50 mV ∆V02 Line Regulation 2 7V < VIN < 24V, I02 = 5mA 5 50 mV ∆V01 Load Regulation 1 5mA < I01 < 300mA 40 80 mV ∆V02 Load Regulation 2 5mA < I02 < 300mA 50 80 mV IQ Quiescent Current I01 =I02 ≤ 5mA 0< VIN < 13V 7V < VIN < 13V V02 LOW 7V < VIN < 13V V02 HIGH 4.5 2.7 1.6 6.5 4.5 3.5 mA VRT Reset Threshold Voltage V02 – 0.15 4.9 V02 – 0.05 V VRTH Reset Threshold Hysteresis 30 50 80 mV VRH Reset Output Voltage HIGH IR = 500 µA V02 – 1 4.12 V02 V VRL Reset Output Voltage LOW IR = – 1mA 0.25 0.4 V tRD Reset Pulse Delay Ct = 10nF 3 5 11 ms td Timing Capacitor Discharge Time Ct = 10nF 20 µs VDT V02 Disable Threshold Voltage 1.25 2.4 V ID V02 Disable Input Current VD ≤ 0.4V VD ≥ 2.4V – 150 –30 µA µA ∆V01 ∆T Thermal Drift –20 °C ≤ Tamb ≤ 125°C 0.3 – 0.8 mV/ °C ∆V02 ∆T Thermal Drift –20 °C ≤ Tamb ≤ 125°C 0.3 – 0.8 mV/ °C SVR1 Supply Voltage Rejection f = 100Hz VR = 0.5V Io = 100mA 50 84 dB SVR2 Supply Voltage Rejection 50 80 dB * The dropout voltage is defined as the difference between the input and the output voltage when the output voltage is lowered of 25 mV under constant output current condition. L4902A 3/9 |
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