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LP38513 Datasheet(PDF) 5 Page - Texas Instruments |
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LP38513 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 25 page LP38513 www.ti.com SNVS361E – JULY 2007 – REVISED NOVEMBER 2015 6.5 Electrical Characteristics Unless otherwise specified: VIN = 2.5 V, IOUT = 10 mA, CIN = 10 µF, COUT = 10 µF, VEN = 2 V, and limits apply for TJ = 25°C. Minimum and Maximum limits are specified 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. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT 2.25 V ≤ VIN ≤ 5.5 V –1.6% 0% 1.6% 10 mA ≤ IOUT ≤ 3 A 2.25 V ≤ VIN ≤ 5.5 V 10 mA ≤ IOUT ≤ 3 A –4.1% 2.6% VOUT Output voltage tolerance(1) TJ = –40°C to +125°C 2.25V ≤ VIN ≤ 5.5V 10 mA ≤ IOUT ≤ 3A –2.6% 0% 2.6% 0°C ≤ TJ ≤ 125°C 2.25 V ≤ VIN ≤ 5.5 V 0.03 Output voltage line ΔVOUT/ΔVIN %/V 2.25 V ≤ VIN ≤ 5.5 V regulation(1)(2) 0.06 TJ = –40°C to +125°C 10 mA ≤ IOUT ≤ 3 A 0.1 Output voltage load ΔVOUT/ΔIOUT %/A 10 mA ≤ IOUT ≤ 3 A regulation(1)(3) 0.2 TJ = –40°C to +125°C VDO Dropout voltage(4) IOUT = 3 A, TJ = –40°C to +125°C 425 mV IOUT = 10 mA, ERROR pin = GND 10 12 IOUT = 10 mA, ERROR pin = GND 15 TJ = –40°C to +125°C Ground pin current, output mA enabled IOUT = 3 A, ERROR pin = GND 12 15 IGND IOUT = 3 A, ERROR pin = GND 20 TJ = –40°C to +125°C VEN = 0.5 V, ERROR pin = GND 60 100 Ground pin current, output µA VEN = 0.5 V, ERROR pin = GND disabled 110 TJ = –40°C to +125°C ISC Short-circuit current VOUT = 0 V 5.6 A ENABLE INPUT VEN rising from 0 V until the output turns to an ON state, or VEN falling 0.74 0.85 0.92 from ≥ 2 V until the output turns to an OFF state VEN(TH) Enable on/off threshold V VEN rising from 0 V until the output turns to an ON state, or VEN falling from ≥ 2 V until the output turns to an 0.56 1 OFF state TJ = –40°C to +125°C Time from VEN < VEN(TH) to VOUT = td(OFF) Turnoff delay 5 OFF, ILOAD = 3 A µs Time from VEN >VEN(TH) to VOUT = ON, td(ON) Turnon delay 5 ILOAD = 3 A VEN = VIN 1 IEN EN pin current nA VEN = 0 V –1 (1) The line and load regulation specification contains only the typical number. However, the limits for line and load regulation are included in the output voltage tolerance specification. (2) Output voltage line regulation is defined as the change in output voltage from the nominal value due to change in the voltage at the input. (3) Output voltage load regulation is defined as the change in output voltage from the nominal value due to change in the load current at the output. (4) Dropout voltage (VDO) is typically defined as the input to output voltage differential (VIN – VOUT) where the input voltage is low enough to cause the output voltage to drop 2% from the nominal value. For the LP38513, the minimum operating voltage of 2.25 V is the limiting factor, and the maximum dropout voltage is defined as: VDO(MAX) = VIN(MIN) – VOUT(MIN) = (2.25 V – (1.8 V × 95.9%) = 524 mV). Copyright © 2007–2015, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LP38513 |
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