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LM4050-N-Q1 Datasheet(PDF) 10 Page - Texas Instruments |
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LM4050-N-Q1 Datasheet(HTML) 10 Page - Texas Instruments |
10 / 42 page LM4050-N, LM4050-N-Q1 SNOS455G – MAY 2000 – REVISED SEPTEMBER 2015 www.ti.com 6.10 Electrical Characteristics: 10-V Option All other limits TA = TJ = 25°C. The grades A, B and C designate initial Reverse Breakdown Voltage tolerances of ±0.1% and ±0.2% and 0.5% respectively. PARAMETER TEST CONDITIONS MIN(1) TYP(2) MAX(1) UNIT Reverse Breakdown Voltage IR = 150 μA 10 V LM4050AIM3, LM4050AEM3 ±10 IR = 150 μA LM4050BIM3, LM4050BEM3 ±20 LM4050CIM3, LM4050CEM3 ±50 LM4050AIM3, LM4050AEM3 ±43 VR Reverse Breakdown Voltage Industrial Temp. Range LM4050BIM3, LM4050BEM3 ±53 mV (max) Tolerance (3) TA = TJ = TMIN to TMAX LM4050CIM3, LM4050CEM3 ±83 LM4050AIM3, LM4050AEM3 ±60 Extended Temp. Range LM4050BIM3, LM4050BEM3 ±70 TA = TJ = TMIN to TMAX LM4050CIM3, LM4050CEM3 ±100 TA = TJ = 25°C 80 100 Industrial Temp. Range 103 IRMIN Minimum Operating Current TA = TJ = TMIN to TMAX μA Extended Temp. Range 110 TA = TJ = TMIN to TMAX IR = 10 mA ±40 IR = 1 mA ±20 Average Reverse Breakdown ΔVR/ΔT ppm/°C IR = 150 μA, TA = TJ = 25°C ±20 Voltage Temperature Coefficient (3) IR = 150 μA ±50 TA = TJ = TMIN to TMAX IRMIN ≤ IR ≤ 1 mA, TA = TJ = 25°C 0.8 1.5 IRMIN ≤ IR ≤ 1 mA 3.5 Reverse Breakdown Voltage TA = TJ = TMIN to TMAX ΔVR/ΔIR Change with Operating Current mV 1 mA ≤ IR ≤ 15 mA, TA = TJ = 25°C 8 12 Change (4) 1 mA ≤ IR ≤ 15 mA 23 TA = TJ = TMIN to TMAX IR = 1 mA, f = 120 Hz, 0.7 ZR Reverse Dynamic Impedance Ω IAC = 0.1 IR IR = 150 μA 150 eN Wideband Noise μVrms 10 Hz ≤ f ≤ 10 kHz t = 1000 hrs 120 Reverse Breakdown Voltage Long ΔVR T = 25°C ±0.1°C ppm Term Stability IR = 150 μA VHYST Thermal Hysteresis(5) ΔT = −40°C to 125°C 2.8 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. 10 Submit Documentation Feedback Copyright © 2000–2015, Texas Instruments Incorporated Product Folder Links: LM4050-N LM4050-N-Q1 |
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