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LM27403SQE Folha de dados(PDF) 11 Page - Texas Instruments |
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LM27403SQE Folha de dados(HTML) 11 Page - Texas Instruments |
11 / 49 page VOUT PGOOD SS/TRACK 91% VOUT EN to SS delay UVLO/EN VIN = 12 V VOUT = 1.2 V IOUT = 0 A FSW = 300 kHz VOUT PGOOD SS/TRACK 91% VOUT EN to SS delay UVLO/EN VIN = 12 V VOUT = 1.2 V IOUT = 0 A FSW = 300 kHz VOUT IOUT VIN = 12 V VOUT = 1.2 V IOUT = 0 A ± 10 A ± 0 A FSW = 300 kHz 0 20 40 60 80 100 200 400 600 800 1000 1200 Switching Frequency (kHz) C015 2 4 6 8 10 12 14 0.0 0.2 0.4 0.6 0.8 1.0 V IN ± VCS- (V) -40°C 25°C 125°C C013 V OUT = 3.3V 28 28.2 28.4 28.6 28.8 29 -50 -25 0 25 50 75 100 125 Temperature ( SC) C014 LM27403 www.ti.com SNVS896 A – AUGUST 2013 – REVISED SEPTEMBER 2013 TYPICAL CHARACTERISTICS (continued) Unless otherwise stated, all datasheet curves were recorded using the circuit and powertrain designated Design 1 in the DESIGN EXAMPLES section with input and output voltages of 12 V and 1.2 V, respectively. Figure 14. CS– Current Source Compliance Voltage Figure 15. Current Limit Inception vs. Temperature Figure 16. Switching Frequency vs. Frequency Adjust Figure 17. 10-A Step Load Transient Response, 2.5-A/µs Resistance Slew Rate Figure 18. Startup Characteristic Figure 19. Prebias Startup Characteristic Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: LM27403 |
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