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LM120H-12 데이터시트(PDF) 8 Page - Texas Instruments |
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LM120H-12 데이터시트(HTML) 8 Page - Texas Instruments |
8 / 22 page LM120, LM320-N SNVS756C – APRIL 1998 – REVISED APRIL 2013 www.ti.com LM320T-15 ELECTRICAL CHARACTERISTICS Power Plastic Package Order Numbers LM320T-15 (TO-220) Units Design Output Current (ID) 1A Device Dissipation (PD) 15W Parameter Conditions (1) Min Typ Max Output Voltage TJ = 25°C, VIN = 20V, −15.5 −15 −14.5 V ILOAD = 5 mA Line Regulation TJ = 25°C, ILOAD = 5 mA, 5 20 mV VMIN ≤ VIN ≤ VMAX Input Voltage −35 −17.5 V Ripple Rejection f = 120 Hz 56 80 dB Load Regulation, TJ = 25°C, VIN = 20V, 30 80 mV (2) 5 mA ≤ ILOAD ≤ ID Output Voltage, 17.5V ≤ VIN ≤ VMAX, −15.7 −14.3 V (1) 5 mA ≤ ILOAD ≤ ID, P ≤ PD Quiescent Current VMIN ≤ VIN ≤ VMAX 2 4 mA Quiescent Current TJ = 25°C Change VMIN ≤ VIN ≤ VMAX 0.1 0.4 mA 5 mA ≤ ILOAD ≤ ID 0.1 0.4 mA Output Noise Voltage TA = 25°C, CL = 1 μF, IL = 5 mA, 400 μV VIN = 20V, 10 Hz ≤ f ≤ 100 kHz Long Term Stability 30 mV Thermal Resistance Junction to Case 4 °C/W Junction to Ambient 50 °C/W (1) This specification applies over −55°C ≤ TJ ≤ +150°C for the LM120 and 0°C ≤ TJ ≤ +125°C for the LM320-N. (2) Regulation is measured at constant junction temperature. Changes in output voltage due to heating effects must be taken into account separately. To ensure constant junction temperature, low duty cycle, pulse testing is used. The LM120/LM320-N series does have low thermal feedback, improving line and load regulation. On all other tests, even though power dissipation is internally limited, electrical specifications apply only up to PD. 8 Submit Documentation Feedback Copyright © 1998–2013, Texas Instruments Incorporated Product Folder Links: LM120 LM320-N |
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