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LM4051CIM3-1.2 Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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LM4051CIM3-1.2 Datasheet(HTML) 4 Page - National Semiconductor (TI) |
4 / 14 page LM4051-ADJ (Adjustable) Electrical Characteristics Boldface limits apply for T A =TJ =TMINto TMAX; all other limits TJ = 25˚C unless otherwise specified (SSOT-23, see (Note 7) ,I RMIN ≤ IR ≤ 12 mA, VREF ≤ VOUT ≤ 10V. The grades A, B and C designate initial Reference Voltage Tolerances of ±0.1%, ±0.2% and ±0.5%, respectively for V OUT = 5V. Symbol Parameter Conditions Typical (Note 4) LM4051AIM3 (Note 5) LM4051BIM3 (Note 5) LM4051CIM3 (Note 5) Units (Limit) V REF Reference Voltage I R = 100 µA, VOUT = 5V 1.212 V Reference Voltage Tolerance (Note 6), (Note 8) I R = 100 µA, VOUT =5V ±1.2 ±5.2 ±2.4 ±6.4 ±6 ±10.1 mV (max) mV (max) I RMIN Minimum Operating Current 36 60 65 60 65 65 70 µA µA (max) µA (max) ∆V REF/∆IR Reference VoltageChange with Operating Current Change I RMIN ≤ IR ≤ 1mA V OUT ≥ 1.6V (Note 7) 0.3 1.1 1.5 1.1 1.5 1.1 1.5 mV mV (max) mV(max) 1mA ≤ I R ≤ 12 mA V OUT ≥ 1.6V(Note 7) 0.6 6 8 6 8 6 8 mV mV (max) mV (max) ∆V REF/∆VO Reference Voltage Changewith Output Voltage Change I R = 0.1 mA −1.69 −2.8 −3.5 −2.8 −3.5 −2.8 −3.5 mV/V mV/V (max) mV/V (max) I FB Feedback Current 70 130 150 130 150 130 150 nA nA (max) nA (max) ∆V REF/∆T Average ReferenceVoltage Temperature Coefficient (Note 8) V OUT = 2.5V I R = 10mA 20 ppm/˚C I R = 1mA 15 ppm/˚C I R = 100µA 15 ±50 ±50 ±50 ppm/˚C (max) ∆T = −40˚C to +125˚C Z OUT Dynamic Output Impedance I R = 1 mA, f = 120 Hz, I AC = 0.1 IR V OUT =VREF V OUT = 10V 0.3 2 Ω Ω e N Wideband Noise I R = 100 µA V OUT =VREF 10 Hz ≤ f ≤ 10 kHz 20 µV rms ∆V REF Reference Voltage Long Term Stability (Note 9) t = 1000 hrs, I R = 100 µA T = 25˚C ±0.1˚C 120 ppm V HYST Output Hysteresis (Note 10) ∆T = −40˚C to +125˚C 0.3 mV/V www.national.com 4 |
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