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LM317LCPWE4 Folha de dados(PDF) 5 Page - Texas Instruments |
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LM317LCPWE4 Folha de dados(HTML) 5 Page - Texas Instruments |
5 / 29 page 0 1 2 ±40 ±15 10 35 60 85 110 Operating temperature ( C) ûIADJ C001 LM317L www.ti.com SLCS144E – JULY 2004 – REVISED OCTOBER 2014 7.5 Electrical Characteristics over recommended operating virtual-junction temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS(1) MIN TYP MAX UNIT TJ = 25°C 0.01 0.02 Input voltage regulation(2) VI – VO = 5 V to 35 V %V IO = 2.5 mA to 100 mA 0.02 0.05 VO = 10 V, f = 120 Hz 65 Ripple regulation dB VO = 10 V, 66 80 10- μF capacitor between ADJUSTMENT and ground VO ≤ 5 V 25 mV VI = 5 V to 35 V, TJ = 25°C, IO = 2.5 mA to 100 mA, VO ≥ 5 V 5 mV/V Output voltage regulation VO ≤ 5 V 50 mV VI = 5 V to 35 V, IO = 2.5 mA to 100 mA VO ≥ 5 V 10 mV/V Output voltage change with temperature TJ = 0°C to 125°C 10 mV/V Output voltage long-term drift After 1000 hours at TJ = 125°C and VI – VO = 35 V 3 10 mV/V Output noise voltage f = 10 Hz to 10 kHz, TJ = 25°C 30 μV/V Minimum output current to maintain regulation VI – VO = 35 V 1.5 2.5 mA Peak output current VI – VO ≤ 35 V 100 200 mA ADJUSTMENT current 50 100 μA Change in ADJUSTMENT current VI – VO = 2.5 V to 35 V, IO = 2.5 mA to 100 mA 0.2 5 μA VI – VO = 5 V to 35 V, Reference voltage (output to ADJUSTMENT) IO = 2.5 mA to 100 mA, 1.2 1.25 1.3 V P ≤ rated dissipation (1) Unless otherwise noted, these specifications apply for the following test conditions: VI – VO = 5 V and IO = 40 mA. Pulse-testing techniques must be used that maintain the junction temperature as close to the ambient temperature as possible. All characteristics are measured with a 0.1- μF capacitor across the input and a 1-μF capacitor across the output. (2) Input voltage regulation is expressed here as the percentage change in output voltage per 1-V change at the input. 7.6 Typical Characteristics Figure 1. Change in Adjustment Current Over Temperature Copyright © 2004–2014, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM317L |
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