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LM4128-Q1 Datasheet(PDF) 3 Page - Texas Instruments |
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LM4128-Q1 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 33 page LM4128, LM4128Q www.ti.com SNVS475E – NOVEMBER 2006 – REVISED APRIL 2013 Electrical Characteristics LM4128-1.8 (VOUT = 1.8V) Limits in standard type are for TJ = 25°C only, and limits in boldface type apply over the junction temperature (TJ) range of - 40°C to +125°C unless otherwise specified. Minimum and Maximum limits are ensured 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 specified VIN = 5V and ILOAD = 0A. Symbol Parameter Conditions Min(1) Typ(2) Max(1) Unit VREF Output Voltage Initial Accuracy LM4128A-1.8 (A Grade - 0.1%) -0.1 +0.1 LM4128B-1.8 (B Grade - 0.2%) -0.2 +0.2 % LM4128C-1.8 (C Grade - 0.5%) -0.5 +0.5 LM4128D-1.8 (D Grade - 1.0%) -1.0 +1.0 TCVREF / °C (3) LM4128A-1.8 75 LM4128B-1.8 75 Temperature Coefficient ppm / °C LM4128C-1.8 100 LM4128D-1.8 100 IQ Supply Current 60 100 µA IQ_SD Supply Current in Shutdown EN = 0V 3 7 µA ΔVREF/ΔVIN Line Regulation VREF + 400 mV ≤ VIN ≤ 5.5V 30 ppm / V ΔVREF/ΔILOAD Load Regulation 0 mA ≤ ILOAD ≤ 20 mA 25 120 ppm / mA ΔVREF Long Term Stability(4) 1000 Hrs 50 ppm Thermal Hysteresis(5) -40°C ≤ TJ ≤ +125°C 75 VIN - VREF Dropout Voltage(6) ILOAD = 10 mA 200 400 mV VN Output Noise Voltage 0.1 Hz to 10 Hz 170 µVPP ISC Short Circuit Current 75 mA VIL Enable Pin Maximum Low Input Level 35 %V VIH Enable Pin Minimum High Input Level 65 %V (1) Limits are 100% production tested at 25°C. Limits over the operating temperature range are ensured through correlation using Statistical Quality Control. (2) Typical numbers are at 25°C and represent the most likely parametric norm. (3) Temperature coefficient is measured by the "Box" method; i.e., the maximum ΔVREF is divided by the maximum ΔT. (4) Long term stability is VREF @25°C measured during 1000 hrs. (5) Thermal hysteresis is defined as the change in +25°C output voltage before and after cycling the device from (-40°C to 125°C). (6) Dropout voltage is defined as the minimum input to output differential at which the output voltage drops by 0.5% below the value measured with a 5V input. Copyright © 2006–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM4128 LM4128Q |
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