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LM4040CIM3-4.1 Datasheet(PDF) 9 Page - Micrel Semiconductor |
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LM4040CIM3-4.1 Datasheet(HTML) 9 Page - Micrel Semiconductor |
9 / 16 page March 2005 9 M9999-031805 LM4040/4041 Micrel, Inc. LM4041-1.2 Electrical Characteristics (Note 4) Boldface limits apply for TA = TJ = TMIN to TMAX; all other limits TA = TJ = 25°C. The grades C and D designate initial Reverse Break- down Voltage tolerance of ±0.5% and ± 1.0%, respectively. LM4041DIM3 Typical Limits Units Symbol Parameter Conditions (Note 5) (Note 6) (Limit) VR Reverse Breakdown Voltage IR = 100µA 1.225 V Reverse Breakdown Voltage IR = 100µA ±12 mV (max) Tolerance (Note 7) ±24 mV (max) IRMIN Minimum Operating Current 45 µA 65 µA (max) 70 µA (max) ΔVR/ΔT Average Reverse Breakdown IR = 10mA ±20 ppm/°C Voltage Temperature IR = 1mA ±15 ±150 ppm/°C (max) Coefficient IR = 100µA ±15 ppm/°C (max) ΔVR/ΔIR Reverse Breakdown Voltage IRMIN ≤ IR 1mA 0.7 mV Change with Operating 2.0 mV (max) Current Change 2.5 mV (max) 1mA ≤ IR 15mA 2.5 mV 8.0 mV (max) 10.0 mV (max) ZR Reverse Dynamic Impedance IR = 1mA, f = 120Hz 0.5 Ω IAC = 0.1 IR 2.0 Ω (max) eN Wideband Noise IR = 100µA 10Hz ≤ f ≤ 10kHz 20 µVRMS ΔVR Reverse Breakdown Voltage t = 1000hrs Long Term Stability T = 25°C ±0.1°C 120 ppm IR = 100µA Note 4. Specification for packaged product only. Note 5. Typicals are at TJ = 25°C and represent most likely parametric norm. Note 6. Limits are 100% production tested at 25°C. Limits over temperature are guaranteed through correlation using Statistical Quality Control (SQL) methods. Note 7. The boldface (over temperature limit for Reverse Breakdown Voltage Tolerance is defined as the room temperature Reverse Breakdown Volt- age Tolerance ±[(ΔVR/ΔT)(65°C)(VR)]. ΔVR/ΔT is the VR temperature coefficient, 65°C is the temperature range from –40°C to the reference point of 25°C, and VR is the reverse breakdown voltage. The total over temperature tolerance for the different grades follows: C-grade: ±1.15% = ±0.5% ±100ppm/°C × 65°C D-grade: ±1.98% = ±1.0% ±150ppm/°C × 65°C Example: The C-grade LM4040-2.5 has an over temperature Reverse Breakdown Voltage tolerance of ±2.5 × 1.15% = ±29mV. |
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