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LM2991 датащи(PDF) 3 Page - Texas Instruments |
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LM2991 датащи(HTML) 3 Page - Texas Instruments |
3 / 19 page LM2991 www.ti.com SNVS099H – MAY 1999 – REVISED JUNE 2013 ELECTRICAL CHARACTERISTICS VIN = −10V, VO = −3V, IO = 1A, CO = 47 μF, R1 = 2.7 kΩ, TJ = 25°C, unless otherwise specified. Boldface limits apply over the entire operating junction temperature range. Parameter Conditions Typical(1) Min Max Units 5 mA ≤ IO ≤ 1A −1.210 −1.234 −1.186 Reference Voltage V 5 mA ≤ IO ≤ 1A, VO − 1V ≥ VIN ≥ −26V −1.27 −1.15 −2 −3 Output Voltage Range V VIN = −26V −25 −24 Line Regulation IO = 5 mA, VO − 1V ≥ VIN ≥ −26V 0.004 0.04 %/V Load Regulation 50 mA ≤ IO ≤ 1A 0.04 0.4 % 0.1 0.2 IO = 0.1A, ΔVO ≤ 100 mV V 0.3 Dropout Voltage 0.6 0.8 IO = 1A, ΔVO ≤ 100 mV V 1 Quiescent Current IO ≤ 1A 0.7 5 mA Dropout Quiescent Current VIN = VO, IO ≤ 1A 16 50 mA Ripple Rejection Vripple = 1 Vrms, fripple = 1 kHz, IO = 5 mA 60 50 dB Output Noise 10 Hz − 100 kHz, IO = 5 mA 200 450 μV (VOUT: ON) 1.2 0.8 ON /OFF Input Voltage V (VOUT: OFF) 1.3 2.4 VON/OFF = 0.8V (VOUT: ON) 0.1 10 ON /OFF Input Current μA VON/OFF = 2.4V (VOUT: OFF) 40 100 Output Leakage Current VIN = −26V, VON/OFF = 2.4V, VOUT = 0V 60 250 μA Current Limit VOUT = 0V 2 1.5 A (1) Typicals are at TJ = 25°C and represent the most likely parametric norm. Copyright © 1999–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: LM2991 |
Аналогичный номер детали - LM2991 |
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Аналогичное описание - LM2991 |
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