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LTC2914 Datasheet(PDF) 3 Page - Linear Technology |
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LTC2914 Datasheet(HTML) 3 Page - Linear Technology |
3 / 18 page LTC2914 3 2914fc For more information www.linear.com/LTC2914 orDer inForMaTion LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC2914CGN-2#PBF LTC2914CGN-2#TRPBF 29142 16-Lead Plastic SSOP 0°C to 70°C LTC2914IGN-2#PBF LTC2914IGN-2#TRPBF 2914I2 16-Lead Plastic SSOP –40°C to 85°C LTC2914HGN-2#PBF LTC2914HGN-2#TRPBF 2914H2 16-Lead Plastic SSOP –40°C to 125°C Consult LTC Marketing for parts specified with wider operating temperature ranges.*The temperature grade is identified by a label on the shipping container Consult LTC Marketing for information on non-standard lead based finish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 3.3V, VLn = 0.45V, VHn = 0.55V, LATCH = VCC, SEL = VCC, DIS = Open unless otherwise noted. (Note 2) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VSHUNT VCC Shunt Regulator Voltage ICC = 5mA l 6.2 6.6 6.9 V –40ºC < TA < 125ºC l 6.2 6.6 7.0 V ΔVSHUNT VCC Shunt Regulator Load Regulation ICC = 2mA to 10mA l 200 300 mV VCC Supply Voltage (Note 3) l 2.3 VSHUNT V VCCR(MIN) Minimum VCC Output Valid DIS = 0V l 1 V VCC(UVLO) Supply Undervoltage Lockout VCC Rising, DIS = 0V l 1.9 2 2.1 V ΔVCC(UVHYST) Supply Undervoltage Lockout Hysteresis DIS = 0V l 5 25 50 mV ICC Supply Current VCC = 2.3V to 6V l 62 100 µA VREF Reference Output Voltage IVREF = ±1mA l 0.985 1 1.015 V –40ºC < TA < 125ºC l 0.985 1 1.020 V VUOT Undervoltage/Overvoltage Voltage Threshold l 492 500 508 mV tUOD Undervoltage/Overvoltage Voltage Threshold to Output Delay VHn = VUOT – 5mV or VLn = VUOT + 5mV l 50 125 500 µs IVHL VHn, VLn Input Current l ±15 nA –40ºC < TA < 125ºC l ±30 nA tUOTO UV/OV Time-Out Period CTMR = 1nF l 6 8.5 12.5 ms –40ºC < TA < 125ºC l 6 8.5 14 ms VLATCH(IH) OV Latch Clear Input High l 1.2 V VLATCH(IL) OV Latch Clear Threshold Input Low l 0.8 V ILATCH LATCH Input Current VLATCH > 0.5V l ±1 µA VDIS(IH) DIS Input High l 1.2 V VDIS(IL) DIS Input Low l 0.8 V IDIS DIS Input Current VDIS > 0.5V l 1 2 3 µA ITMR(UP) TMR Pull-Up Current VTMR = 0V l –1.3 –2.1 –2.8 µA –40ºC < TA < 125ºC l –1.2 –2.1 –2.8 µA ITMR(DOWN) TMR Pull-Down Current VTMR = 1.6V l 1.3 2.1 2.8 µA –40ºC < TA < 125ºC l 1.2 2.1 2.8 µA elecTrical characTerisTics |
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