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LM25066PSQX 데이터시트(PDF) 6 Page - Texas Instruments |
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LM25066PSQX 데이터시트(HTML) 6 Page - Texas Instruments |
6 / 63 page LM25066 SNVS654J – FEBRUARY 2010 – REVISED DECEMBER 2015 www.ti.com 7.5 Electrical Characteristics Limits in standard type are for TJ = 25°C only; limits in boldface type apply over the junction temperature (TJ) range of –40°C to 85°C unless otherwise stated. Minimum and Maximum limits are guaranteed through test, design, or statistical correlation. Typical values represent the most likely parametric norm at TJ = 25°C, and are provided for reference purposes only. Unless otherwise stated the following conditions apply: VIN = 12 V (see (1) and (2)). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT INPUT (VIN PIN) IIN-EN Input current, enabled UVLO = 2 V and OVLO = 0.7 V 5.8 8 mA POR Power on reset threshold at VIN VIN increasing 2.6 2.8 V PORHYS POREN hysteresis VIN decreasing 150 mV VDD REGULATOR (VDD PIN) IVDD = 5 mA, VIN = 12 V 4.3 4.5 4.7 V VDD IVDD = 5 mA, VIN = 4.5 V 3.5 3.9 4.3 V VDDILIM VDD current limit 25 45 mA UVLO/EN, OVLO PINS UVLOTH UVLO threshold VUVLO Falling 1.147 1.16 1.173 V UVLOHYS UVLO hysteresis current UVLO = 1 V 18 23 28 µA Delay to GATE high 8 UVLODEL UVLO delay µs Delay to GATE low 20 UVLOBIAS UVLO bias current UVLO = 3 V 1 µA OVLOTH OVLO threshold VOVLO rising 1.141 1.16 1.185 V OVLOHYS OVLO hysteresis current OVLO = 1 V –28 –23 –18 µA Delay to GATE high 19 OVLODEL OVLO delay µs Delay to GATE low 9 OVLOBIAS OVLO bias current OVLO = 1 V 1 µA POWER GOOD (PGD PIN) PGDVOL Output low voltage ISINK = 2 mA 25 60 mV PGDIOH Off leakage current VPGD = 17 V 1 µA PGDDELAY Power Good delay VFB to VPG 115 ns FB PIN FBTH FB threshold VFB rising 1.141 1.167 1.19 V FBHYS FB hysteresis current –31 –24 –18 µA FBLEAK Off leakage current VFB = 1 V 1 µA POWER LIMIT (PWR PIN) PWRLIM Power limit sense voltage (VIN-SENSE) SENSE-OUT = 12 V, RPWR = 25 kΩ 9 12.5 15 mV IPWR PWR pin current VPWR = 2.5 V –10 µA RSAT(PWR) PWR pin impedance when disabled UVLO = 0.7 V 180 Ω GATE CONTROL (GATE PIN) Source current Normal operation –28 –22 –16 µA Fault sink current UVLO = 1 V 1.5 2 2.5 mA IGATE VIN - SENSE = 150 mV or VIN < RPOR, POR circuit breaker sink current 105 190 275 mA VGATE = 5 V VGATE Gate output voltage in normal operation GATE voltage with respect to ground 17 18.8 20.3 V OUT PIN IOUT-EN OUT bias current, enabled OUT = VIN, normal operation 16 µA IOUT-DIS OUT bias current, disabled(3) Disabled, OUT = 0 V, SENSE = VIN –12 µA (1) Current out of a pin is indicated as a negative value. (2) All limits are specified. All electrical characteristics having room temperature limits are tested during production at TA = 25°C. All hot and cold limits are specified by correlating the electrical characteristics to process and temperature variations and applying statistical process control. (3) OUT bias current (disabled) due to leakage current through an internal 0.9 M Ω resistance from SENSE to VOUT. 6 Submit Documentation Feedback Copyright © 2010–2015, Texas Instruments Incorporated Product Folder Links: LM25066 |
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