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LM4050-N-Q1 Datasheet(PDF) 7 Page - Texas Instruments |
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LM4050-N-Q1 Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 42 page  LM4050-N, LM4050-N-Q1 www.ti.com SNOS455G – MAY 2000 – REVISED SEPTEMBER 2015 6.7 Electrical Characteristics: 4.1-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 TYP(1) MAX UNIT Reverse Breakdown Voltage IR = 100 μA 4.096 V LM4050AIM3, LM4050AEM3 ±4.1 IR = 100 μA LM4050BIM3,LM4050BEM3 ±8.2 LM4050CIM3, LM4050CEM3 ±21 LM4050AIM3, LM4050AEM3 ±18 VR Industrial temperature range, Reverse Breakdown Voltage LM4050BIM3,LM4050BEM3 ±22 mV Tolerance(2) TA = TJ = TMIN to TMAX LM4050CIM3, LM4050CEM3 ±34 LM4050AIM3, LM4050AEM3 ±25 Extended temperature range, LM4050BIM3,LM4050BEM3 ±29 TA = TJ = TMIN to TMAX LM4050CIM3, LM4050CEM3 ±41 TA = TJ = 25°C 52 68 Industrial temperature range, IRMIN Minimum Operating Current 73 μA TA = TJ = TMIN to TMAX Extended temperature range, TA = TJ = TMIN to TMAX 78 IR = 10 mA ±30 IR = 1 mA ±20 Average reverse breakdown voltage ΔVR/ΔT ppm/°C temperature coefficient(2) IR = 100 μA, TA = TJ = 25°C ±20 IR = 100 μA, TA = TJ = TMIN to TMAX ±50 IRMIN ≤ IR ≤ 1 mA, TA = TJ = 25°C 0.2 0.9 IRMIN ≤ IR ≤ 1 mA, TA = TJ = TMIN to TMAX 1.2 Reverse breakdown voltage change ΔVR/ΔIR mV with operating current change(3) 1 mA ≤ IR ≤ 15 mA, TA = TJ = 25°C 2 7 1 mA ≤ IR ≤ 15 mA, TA = TJ = TMIN to TMAX 10 ZR Reverse dynamic impedance IR = 1 mA, f = 120 Hz, IAC = 0.1 IR 0.5 Ω eN Wideband noise IR = 100 μA, 10 Hz ≤ f ≤ 10 kHz 93 μVrms Reverse breakdown voltage long ΔVR t = 1000 hrs, T = 25°C ±0.1°C, IR = 100 μA 120 ppm term stability VHYST Thermal hysteresis(4) ΔT = −40°C to 125°C 1.148 mV (1) Typicals are at TJ = 25°C and represent most likely parametric norm. (2) 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. (3) 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. (4) 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. Copyright © 2000–2015, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: LM4050-N LM4050-N-Q1 |
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