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LP2952AIN-3.3 Datasheet(PDF) 5 Page - National Semiconductor (TI) |
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LP2952AIN-3.3 Datasheet(HTML) 5 Page - National Semiconductor (TI) |
5 / 22 page All Voltage Options (Continued) Electrical Characteristics (Continued) Limits in standard typeface are for T J = 25˚C, bold typeface applies over the full operating temperature range. Limits are guar- anteed by production testing or correlation techniques using standard Statistical Quality Control (SQC) methods. Unless other- wise specified: V IN =VO(NOM) + 1V, IL = 1 mA, CL = 2.2 µF for 5V parts and 4.7µF for 3.3V parts. Feedback pin is tied to V Tap pin, Output pin is tied to Output Sense pin. Symbol Parameter Conditions Typical LP2952AI, LP2953AI, LP2952AI-3.3, LP2953AI-3.3, LP2953AM (Notes 16, 17) LP2952I, LP2953I, LP2952I-3.3, LP2953I-3.3 Units Min Max Min Max I B(FB) Feedback Pin Bias Current 20 40 40 nA 60 60 I O(SINK) Output “OFF” Pulldown Current (Note 9) 30 30 mA 20 20 DROPOUT DETECTION COMPARATOR I OH Output “HIGH” Leakage V OH = 30V 0.01 1 1 µA 22 V OL Output “LOW” Voltage V IN =VO(NOM) − 0.5V I O(COMP) = 400 µA 150 250 250 mV 400 400 V THR (MAX) Upper Threshold Voltage (Note 14) −60 −80 −35 −80 −35 mV −95 −25 −95 −25 V THR (MIN) Lower Threshold Voltage (Note 14) −85 −110 −55 −110 −55 mV −160 −40 −160 −40 HYST Hysteresis (Note 14) 15 mV SHUTDOWN INPUT (Note 15) V OS Input Offset (Referred to V REF) ±3 −7.5 7.5 −7.5 7.5 mV Voltage −10 10 −10 10 HYST Hysteresis 6 mV I B Input Bias V IN(S/D) = 0V to 5V 10 −30 30 −30 −50 −30 50 nA Current −50 50 LP2953AM 10 −30 30 −75 75 AUXILIARY COMPARATOR (LP2953 Only) V OS Input Offset Voltage (Referred to V REF) ±3 −7.5 7.5 −7.5 −10 7.5 10 mV −10 10 LP2953AM ±3 −7.5 7.5 −12 12 HYST Hysteresis 6 mV I B Input Bias Current V IN(COMP) = 0V to 5V 10 −30 30 −30 −50 30 50 nA −50 50 LP2953AM 10 −30 30 −75 75 I OH Output “HIGH” Leakage V OH = 30V 0.01 1 1 2 µA V IN(COMP) = 1.3V 2 LP2953AM 0.01 1 2.2 V OL Output “LOW” Voltage V IN(COMP) = 1.1V 150 250 250 400 mV I O(COMP) = 400 µA 400 LP2953AM 150 250 420 www.national.com 5 |
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