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LTC3589 Datasheet(PDF) 5 Page - Linear Technology |
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LTC3589 Datasheet(HTML) 5 Page - Linear Technology |
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5 / 38 page  LTC3676/LTC3676-1 5 3676ff For more information www.linear.com/LTC3676 elecTrical characTerisTics The l denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C (Note 2). VIN = PVIN1 = PVIN2 = PVIN3 = PVIN4 = VIN_L2 = VIN_L3 = VIN_L4 = DVDD = 3.8V. All regulators disabled unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS Available Output Current l 25 mA Short-Circuit Output Current Limit 65 100 mA Dropout Voltage (Note 4) ILDO1 = 25mA, VLDO1 = 3.3V 200 280 mV Feedback Pin Input Current VFB_L1 = 850mV –0.05 0.05 µA LDO Regulator 2 VIN_L2 Input Voltage l 1.7 VIN V LDO2 Output Voltage Range ILDO2 = 1mA VFB_L2 VIN_L2 V Available Output Current l 300 mA VIN_L2 Quiescent Current VIN_L2 Shutdown Current Regulator Enabled, ILDO2 = 0A Regulator Disabled l l 12 0 25 1 µA µA VIN Quiescent Current Regulator Enabled l 50 85 µA Feedback Regulation Voltage (VFB_L2) l 0.707 0.725 0.743 V Line Regulation ILDO2 =1mA, VIN = 2.7V to 5.5V 0.01 %/V Load Regulation ILDO2 = 1mA to 300mA 0.01 % Short-Circuit Current Limit 770 mA Dropout Voltage (Note 4) ILDO2 = 300mA, VLDO2 = 2.5V ILDO2 = 300mA, VLDO2 = 1.2V 210 450 260 615 mV mV Feedback Pin Input Current VFB_L2 = 725mV –0.05 0.05 µA LDO Regulator 3 VIN_L3 Input Voltage l 2.35 VIN V Output Voltage VIN_L3 = VIN, ILDO3 = 1mA l 1.746 1.8 1.854 V Available Output Current l 300 mA VIN_L3 Quiescent Current VIN_L3 Shutdown Current Regulator Enabled, ILDO3 = 0A Regulator Disabled l l 14 0 25 1 µA µA VIN Quiescent Current Regulator Enabled l 50 85 µA Line Regulation ILDO3 =1mA, VIN = 2.7V to 5.5V 0.01 %/V Load Regulation ILDO3 = 1mA to 300mA 0.05 % Short-Circuit Current Limit 770 mA Dropout Voltage (Note 4) ILDO3 = 300mA, VLDO3 = 1.8V 280 350 mV LDO Regulator 4 VIN_L4 Input Voltage l 1.7 VIN V LDO4 Output Voltage Range (LTC3676) ILDO4 = 1mA VFB_L4 VIN_L4 V Feedback Regulation Voltage (LTC3676) (VFB_L4) l 0.707 0.725 0.743 V Output Voltage (LTC3676-1) ILDO4 = 1mA, LDOB[4:3] = 00 LDOB[4:3] = 01 LDOB[4:3] = 10 LDOB[4:3] = 11 l l l l 1.164 2.425 2.716 2.91 1.2 2.5 2.8 3.0 1.236 2.575 2.884 3.09 V V V V Available Output Current l 300 mA VIN_L4 Quiescent Current VIN_L4 Shutdown Current Regulator Enabled, ILDO4 = 0A Regulator Disabled l l 12 0 25 1 µA µA VIN Quiescent Current Regulator Enabled l 50 85 µA Line Regulation ILDO4 =1mA, VIN = 2.7V to 5.5V 0.01 %/V |
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