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LM4050AIM3-4.1 Datasheet(PDF) 8 Page - Texas Instruments |
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LM4050AIM3-4.1 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 35 page LM4050-N, LM4050-N-Q1 SNOS455E – MAY 2000 – REVISED APRIL 2013 www.ti.com LM4050-N-10.0 Electrical Characteristics Boldface limits apply for TA = TJ = TMIN to TMAX; 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. Typical LM4050- LM4050- LM4050- (1) NAIM3 NBIM3 NCIM3 LM4050- LM4050- LM4050- Units Symbol Parameter Conditions NAEM3 NBEM3 NCEM3 (Limit) Limits Limits Limits (2) (2) (2) VR Reverse Breakdown Voltage IR = 150 μA 10.00 V Reverse Breakdown Voltage IR = 150 μA ±10 ±20 ±50 mV (max) Tolerance (3) Industrial Temp. Range ±43 ±53 ±83 mV (max) Extended Temp. Range ±60 ±70 ±100 mV (max) IRMIN Minimum Operating Current 80 μA 100 100 100 μA (max) Industrial Temp. Range 103 103 103 μA (max) Extended Temp. Range 110 110 110 μA (max) ΔVR/ΔT Average Reverse Breakdown IR = 10 mA ±40 ppm/°C Voltage Temperature Coefficient (3) IR = 1 mA ±20 ppm/°C IR = 150 μA ±20 ±50 ±50 ±50 ppm/°C (max) ΔVR/ΔIR Reverse Breakdown Voltage IRMIN ≤ IR ≤ 1 mA 0.8 mV Change with Operating Current 1.5 1.5 1.5 mV (max) Change (4) 3.5 3.5 3.5 mV (max) 1 mA ≤ IR ≤ 15 mA 8.0 mV 12.0 12.0 12.0 mV (max) 23.0 23.0 23.0 mV (max) ZR Reverse Dynamic Impedance IR = 1 mA, f = 120 Hz, 0.7 Ω IAC = 0.1 IR eN Wideband Noise IR = 150 μA 150 μVrms 10 Hz ≤ f ≤ 10 kHz ΔVR Reverse Breakdown Voltage Long t = 1000 hrs 120 Term Stability T = 25°C ±0.1°C ppm IR = 150 μA VHYST Thermal Hysteresis ΔT = −40°C to 125°C 2.8 mV (5) (1) Typicals are at TJ = 25°C and represent most likely parametric norm. (2) 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. (3) The boldface (over-temperature) 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 over- temperature 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°CTherefore, as an example, the A-grade LM4050-N-2.5 has an over-temperature 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 © 2000–2013, Texas Instruments Incorporated Product Folder Links: LM4050-N LM4050-N-Q1 |
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