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TPS71H33Q データシート(PDF) 6 Page - Texas Instruments |
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TPS71H33Q データシート(HTML) 6 Page - Texas Instruments |
6 / 46 page TPS71H01Q, TPS71H33Q, TPS71H48Q, TPS71H50Q LOW DROPOUT VOLTAGE REGULATORS SLVS152B − NOVEMBER 1996 − REVISED AUGUST 2002 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions MIN MAX UNIT TPS71H01Q 2.5 10 Input voltage, VI† TPS71H33Q 3.77 10 V Input voltage, VI† TPS71H48Q 5.2 10 V TPS71H50Q 5.33 10 High-level input voltage at EN, VIH 2 V Low-level input voltage at EN, VIL 0.5 V Output current range, IO 0 500 mA Operating virtual junction temperature range, TJ −40 125 °C † Minimum input voltage defined in the recommended operating conditions is the maximum specified output voltage plus dropout voltage at the maximum specified load range. Since dropout voltage is a function of output current, the usable range can be extended for lighter loads. To calculate the minimum input voltage for your maximum output current, use the following equation: VI(min) = VO(max) + VDO(max load) Because the TPS71H01 is programmable, rDS(on) should be used to calculate VDO before applying the above equation. The equation for calculating VDO from rDS(on) is given in Note 2 in the electrical characteristics table. The minimum value of 2.5 V is the absolute lower limit for the recommended input voltage range for the TPS71H01. electrical characteristics at IO = 10 mA, EN = 0 V, CO = 4.7 µF/CSR‡ = 1 Ω, SENSE/FB shorted to OUT (unless otherwise noted) PARAMETER TEST CONDITIONS§ TJ TPS71H01Q, TPS71H33Q TPS71H48Q, TPS71H50Q UNIT PARAMETER TEST CONDITIONS§ TJ MIN TYP MAX UNIT Ground current (active mode) EN ≤ 0.5 V, VI = VO + 1 V, 25 °C 285 350 A Ground current (active mode) EN ≤ 0.5 V, VI = VO + 1 V, 0 mA ≤ IO ≤ 500 mA −40 °C to 125°C 460 µA Input current (standby mode) EN = VI, 2.7 V ≤ VI ≤ 10 V 25 °C 0.5 A Input current (standby mode) EN = VI, 2.7 V ≤ VI ≤ 10 V −40 °C to 125°C 2 µA Output current limit VO = 0, VI = 10 V 25 °C 1.2 2 A Output current limit VO = 0, VI = 10 V −40 °C to 125°C 2 A Pass-element leakage current in standby EN = VI, 2.7 V ≤ VI ≤ 10 V 25 °C 0.5 A Pass-element leakage current in standby mode EN = VI, 2.7 V ≤ VI ≤ 10 V −40 °C to 125°C 1 µA PG leakage current Normal operation, VPG = 10 V 25 °C 0.02 0.5 A PG leakage current Normal operation, VPG = 10 V −40 °C to 125°C 0.5 µA Output voltage temperature coefficient −40 °C to 125°C 61 75 ppm/ °C Thermal shutdown junction temperature 165 °C EN logic high (standby mode) 2.5 V ≤ VI ≤ 6 V −40 °C to 125°C 2 V EN logic high (standby mode) 6 V ≤ VI ≤ 10 V −40 °C to 125°C 2.7 V EN logic low (active mode) 2.7 V ≤ VI ≤ 10 V 25 °C 0.5 V EN logic low (active mode) 2.7 V ≤ VI ≤ 10 V −40 °C to 125°C 0.5 V EN hysteresis voltage 25 °C 50 mV EN input current 0 V ≤ VI ≤ 10 V 25 °C − 0.5 0.5 A EN input current 0 V ≤ VI ≤ 10 V −40 °C to 125°C − 0.5 0.5 µA Minimum VI for active pass element 25 °C 2.05 2.5 V Minimum VI for active pass element −40 °C to 125°C 2.5 V Minimum VI for valid PG IPG = 300 µA IPG = 300 µA 25 °C 1.06 1.5 V Minimum VI for valid PG IPG = 300 µA IPG = 300 µA −40 °C to 125°C 1.9 V ‡ CSR (compensation series resistance) refers to the total series resistance, including the equivalent series resistance (ESR) of the capacitor, any series resistance added externally, and PWB trace resistance to CO. § Pulse-testing techniques are used to maintain virtual junction temperature as close as possible to ambient temperature; thermal effects must be taken into account separately. |
同様の部品番号 - TPS71H33Q |
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同様の説明 - TPS71H33Q |
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