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LM4050BEM3-5.0 Datasheet(PDF) 8 Page - Texas Instruments |
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LM4050BEM3-5.0 Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 42 page  LM4050-N, LM4050-N-Q1 SNOS455G – MAY 2000 – REVISED SEPTEMBER 2015 www.ti.com 6.8 Electrical Characteristics: 5-V Option All other limits TA = TJ = 25°C. The grades A, B and C designate initial Reverse Breakdown Voltage tolerances of ±0.1%, ±0.2% and 0.5% respectively. PARAMETER TEST CONDITIONS MIN(1) TYP(2) MAX(1) UNIT Reverse Breakdown Voltage IR = 100 μA 5 V LM4050AIM3, LM4050AEM3 ±5 IR = 100 μA LM4050BIM3. LM4050BEM3 ±10 LM4050CIM3, LM4050CEM3 ±25 LM4050AIM3, LM4050AEM3 ±22 VR Reverse Breakdown Voltage Industrial Temp. Range LM4050BIM3, LM4050BEM3 ±27 mV Tolerance(3) TA = TJ = TMIN to TMAX LM4050CIM3, LM4050CEM3 ±42 LM4050AIM3, LM4050AEM3 ±30 Extended Temp. Range LM4050BIM3, LM4050BEM3 ±35 TA = TJ = TMIN to TMAX LM4050CIM3, LM4050CEM3 ±50 Minimum Operating Current TA = TJ = 25°C 56 74 Industrial Temp. Range 80 IRMIN TA = TJ = TMIN to TMAX μA Extended Temp. Range 90 TA = TJ = TMIN to TMAX Average Reverse Breakdown IR = 10 mA ±30 Voltage Temperature Coefficient(3) IR = 1 mA ±20 ΔVR/ΔT ppm/°C IR = 100 μA, TA = TJ = 25°C ±20 IR = 100 μA ±50 TA = TJ = TMIN to TMAX Reverse Breakdown Voltage IRMIN ≤ IR ≤ 1 mA, TA = TJ = 25°C 0.2 1 Change with Operating Current IRMIN ≤ IR ≤ 1 mA Change(4) 1.4 TA = TJ = TMIN to TMAX ΔVR/ΔIR mV 1 mA ≤ IR ≤ 15 mA, TA = TJ = 25°C 2 8 1 mA ≤ IR ≤ 15 mA 12 TA = TJ = TMIN to TMAX Reverse Dynamic Impedance IR = 1 mA, f = 120 Hz 0.5 ZR Ω IAC = 0.1 IR Wideband Noise IR = 100 μA eN 93 μVrms 10 Hz ≤ f ≤ 10 kHz Reverse Breakdown Voltage Long t = 1000 hrs ΔVR Term Stability T = 25°C ±0.1°C 120 ppm IR = 100 μA VHYST Thermal Hysteresis(5) ΔT = –40°C to 125°C 1.4 mV (1) Limits are 100% production tested at 25°C. Limits over temperature are guaranteed through correlation using Statistical Quality Control (SQC) methods. The limits are used to calculate National's AOQL. (2) Typicals are at TJ = 25°C and represent most likely parametric norm. (3) The overtemperature limit for Reverse Breakdown Voltage Tolerance is defined as the room temperature Reverse Breakdown Voltage Tolerance ±[( ΔV R/ΔT)(maxΔT)(VR)]. Where, ΔVR/ΔT is the VR temperature coefficient, maxΔT is the maximum difference in temperature from the reference point of 25°C to T MIN or TMAX, and VR is the reverse breakdown voltage. The total overtemperature tolerance for the different grades in the industrial temperature range where max ΔT = 65°C is shown below: A-grade: ±0.425% = ±0.1% ±50 ppm/°C × 65°C B-grade: ±0.525% = ±0.2% ±50 ppm/°C × 65°C C-grade: ±0.825% = ±0.5% ±50 ppm/°C × 65°C. Therefore, as an example, the A-grade LM4050-N-2.5 has an overtemperature Reverse Breakdown Voltage tolerance of ±2.5V × 0.425% = ±11 mV. (4) Load regulation is measured on pulse basis from no load to the specified load current. Output changes due to die temperature change must be taken into account separately. (5) Thermal hysteresis is defined as the difference in voltage measured at 25°C after cycling to temperature –40°C and the 25°C measurement after cycling to temperature 125°C. 8 Submit Documentation Feedback Copyright © 2000–2015, Texas Instruments Incorporated Product Folder Links: LM4050-N LM4050-N-Q1 |
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