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REG104FA-2.5KTTT Datasheet(PDF) 3 Page - Texas Instruments |
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REG104FA-2.5KTTT Datasheet(HTML) 3 Page - Texas Instruments |
3 / 23 page REG104 3 SBVS025G REG104GA REG104FA PARAMETER CONDITION MIN TYP MAX UNITS OUTPUT VOLTAGE Output Voltage Range VOUT REG104-2.5 2.5 V REG104-2.7 2.7 V REG104-3.0 3.0 V REG104-3.3 3.3 V REG104-5 5V REG104-A VREF 5.5 V Reference Voltage VREF 1.295 V Adjust Pin Current IADJ 0.2 1 µA Accuracy ±0.5 ±2% TJ = –40°C to +85°C ±3.0 % vs Temperature dVOUT/dT TJ = –40°C to +85°C70 ppm/ °C vs Line and Load IOUT = 10mA to 1A, VIN = (VOUT + 0.7V) to 15V ±0.5 ±2.5 % TJ = –40°C to +85°CVIN = (VOUT + 0.9V) to 15V ±3.5 % DC DROPOUT VOLTAGE(2, 3) VDROP IOUT = 10mA 3 25 mV For all models except 5V IOUT = 1A 230 400 mV For 5V model IOUT = 1A 320 500 mV For all models except 5V IOUT = 1A 480 mV TJ = –40°C to +85°C For 5V models IOUT = 1A 580 mV TJ = –40°C to +85°C VOLTAGE NOISE f = 10Hz to 100kHz Vn Without CNR (all models) CNR = 0, COUT = 0 35 µV RMS/V • VOUT µV RMS With CNR (all fixed voltage models) CNR = 0.01µF, COUT = 10µF10µVRMS/V • VOUT µV RMS OUTPUT CURRENT Current Limit(4) ICL 1.2 1.7 2.1 A TJ = –40°C to +85°C 1.0 2.2 A RIPPLE REJECTION f = 120Hz 65 dB ENABLE CONTROL VENABLE High (output enabled) VENABLE 2VIN V VENABLE Low (output disabled) –0.2 0.5 V IENABLE High (output enabled) IENABLE VENABLE = 2V to VIN, VIN = 2.1V to 6.5(5) 1 100 nA IENABLE Low (output disabled) VENABLE = 0V to 0.5V 2 100 nA Output Disable Time 50 µs Output Enable Softstart Time 1.5 ms THERMAL SHUTDOWN Junction Temperature Shutdown 150 °C Reset from Shutdown 130 °C GROUND PIN CURRENT Ground Pin Current IGND IOUT = 10mA 0.5 0.7 mA IOUT = 1A 1.7 1.8 mA Enable Pin Low VENABLE ≤ 0.5V 0.5 µA INPUT VOLTAGE VIN Operating Input Voltage Range(6) 2.1 15 V Specified Input Voltage Range VIN > 2.7V VOUT + 0.7 15 V TJ = –40°C to +85°CVIN > 2.9V VOUT + 0.9 15 V TEMPERATURE RANGE Specified Range TJ –40 +85 °C Operating Range –55 +125 °C Storage Range –65 +150 °C Thermal Resistance DDPAK-5 Surface Mount θ JC Junction-to-Case 4 °C/W SOT223-5 Surface Mount θ JC Junction-to-Case 15 °C/W NOTES: (1) The REG104 does not require a minimum output capacitor for stability. However, transient response can be improved with proper capacitor selection. (2) Dropout voltage is defined as the input voltage minus the output voltage that produces a 2% change in the output voltage from the value at VIN = VOUT + 1V at fixed load. (3) Not applicable for VOUT less than 2.7V. (4) Current limit is the output current that produces a 15% change in output voltage from VIN = VOUT + 1V and IOUT = 10mA. (5) For VIN > 6.5V, see typical characteristic VENABLE vs IENABLE. (6) The REG104 no longer regulates when VIN < VOUT + VDROP (MAX). In drop-out or when the input voltage is between 2.7V and 2.1V, the impedance from VIN to VOUT is typically less than 1Ω at TJ = +25°C. See typical characteristic Output Voltage Change vs VIN. ELECTRICAL CHARACTERISTICS Boldface limits apply over the specified temperature range, TJ = –40°C to +85°C At TJ = +25°C, VIN = VOUT + 1V (VOUT = 3.0V for REG104-A), VENABLE = 2V, IOUT = 10mA, CNR = 0.01µF, and COUT = 0.1µF(1), unless otherwise noted. |
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