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LM4125 Datasheet(PDF) 3 Page - Texas Instruments |
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LM4125 Datasheet(HTML) 3 Page - Texas Instruments |
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3 / 18 page  LM4125 www.ti.com SNVS238A – MAY 2004 – REVISED APRIL 2013 Electrical Characteristics — LM4125-2.048V and 2.5V Unless otherwise specified VIN = 3.3V, ILOAD = 0, COUT = 0.01µF, TA = Tj = 25°C. Limits with standard typeface are for Tj = 25°C, and limits in boldface type apply over the −40°C ≤ TA ≤ +85°C temperature range. Min Typ Max Symbol Parameter Conditions Units (1) (2) (1) Output Voltage Initial Accuracy LM4125A-2.048 ±0.2 % LM4125A-2.500 VOUT LM4125-2.048 ±0.5 % LM4125-2.500 TCVOUT/°C Temperature Coefficient −40°C ≤ TA ≤ +125°C 14 50 ppm/°c ΔVOUT/ΔVIN Line Regulation 3.3V ≤ VIN ≤ 6V 0.0007 0.008 %/V 0.01 0 mA ≤ ILOAD ≤ 1 mA 0.03 0.08 0.17 1 mA ≤ ILOAD ≤ 5 mA 0.01 0.04 ΔVOUT/ΔILOAD Load Regulation %/mA 0.1 −1 mA ≤ ILOAD ≤ 0 mA 0.04 0.12 −5 mA ≤ ILOAD ≤ −1 mA 0.01 ILOAD = 0 mA 45 65 100 ILOAD = +1 mA 120 150 VIN−VOUT Dropout Voltage(3) mV 200 ILOAD = +5 mA 180 210 300 VN Output Noise Voltage(4) 0.1 Hz to 10 Hz 20 µVPP 10 Hz to 10 kHz 36 µVPP IS Supply Current 160 257 µA 290 VIN = 3.3V, VOUT = 0 15 6 30 ISC Short Circuit Current mA VIN = 6V, VOUT = 0 17 6 30 Hyst Thermal Hysteresis(5) −40°C ≤ TA ≤ 125°C 0.5 mV/V ΔVOUT Long Term Stability(6) 1000 hrs. @ 25°C 100 ppm (1) Limits are 100% production tested at 25°C. Limits over the operating temperature range are ensured through correlation using Statistical Quality Control (SQC) methods. The limits are used to calculate Outgoing Quality Level (AOQL). (2) Typical numbers are at 25°C and represent the most likely parametric norm. (3) Dropout voltage is the differential voltage between VOUT and VIN at which VOUT changes ≤ 1% from VOUT at VIN = 3.3V for 2.0V, 2.5V and 5V for 4.1V. A parasitic diode exists between input and output pins; it will conduct if VOUT is pulled to a higher voltage than VIN. (4) Output noise voltage is proportional to VOUT. VN for other voltage option is calculated using (VN(1.8V)/1.8) * VOUT. VN (2.5V) = (36µVPP/1.8) * 2.5 = 46µVPP. (5) Thermal hysteresis is defined as the change in +25°C output voltage before and after exposing the device to temperature extremes. (6) Long term stability is change in VREF at 25°C measured continuously during 1000 hrs. Copyright © 2004–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM4125 |
Similar Part No. - LM4125_15 |
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