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LMZ12003EXT Fiches technique(PDF) 8 Page - Texas Instruments |
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LMZ12003EXT Fiches technique(HTML) 8 Page - Texas Instruments |
8 / 29 page -55C 3 3.5 4 4.5 5 0 5 10 15 20 25 INPUT VOLTAGE (V) ONSET SHORT CIRCUIT ONSET 3 3.5 4 4.5 5 0 5 10 15 20 25 INPUT VOLTAGE (V) 25°C SHORT CIRCUIT 4.5VIN 0 0.5 1 1.5 2 2.5 3 3.5 50 60 70 80 90 100 110 120 AMBIENT TEMPERATURE (°C) VOUT = 1.8V JA = 19.6°C/W 4.5VIN 20VIN 12VIN 1.79 1.80 1.81 0 0.5 1 1.5 2 2.5 3 OUTPUT CURRENT (A) 4.5 5 6 8 12 15 20 -55°C 5.5 LMZ12003EXT SNVS663H – JUNE 2010 – REVISED AUGUST 2015 www.ti.com Typical Characteristics (continued) Unless otherwise specified, the following conditions apply: VIN = 12 V; CIN = 10-µF X7R Ceramic; CO = 100-µF X7R Ceramic; TA = 25°C for efficiency curves and waveforms. 12 VIN 3.3 VO 3 A 20 mV/div 1 μS/div Figure 14. Output Ripple Figure 13. Line and Load Regulation at –55°C 12 VIN 3.3 VO 0.6-A to 3-A Step Figure 15. Transient Response Figure 16. Thermal Derating Figure 17. Current Limit 1.8 VOUT at 25°C Figure 18. Current Limit 1.8 VOUT –55°C 8 Submit Documentation Feedback Copyright © 2010–2015, Texas Instruments Incorporated Product Folder Links: LMZ12003EXT |
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