Datasheet LT8625S (Analog Devices) - 6
| Fabricante | Analog Devices |
| Descripción | 18V/8A Step-Down Silent Switcher 3 with Ultralow Noise Reference |
| Páginas / Página | 39 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. … |
| Formato / tamaño de archivo | PDF / 4.9 Mb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. 12VIN to 1VOUT Efficiency
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LT8625S
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. 12VIN to 1VOUT Efficiency 12VIN to 1.2VOUT Efficiency
100 6.4 100 4.0 1MHz, 0.56µH, XEL6060 (2.6mΩ) 1MHz, 0.47µH (2.2mΩ) 95 2MHz, 0.33µH, XEL6060 (2mΩ) 5.6 2MHz, 0.38µH (2mΩ) 95 3.5 3MHz, 0.28µH, XEL6030 (2.1mΩ) 3MHz, 0.22µH (1.2mΩ) 4MHz, 0.18µH (1mΩ) 90 4MHz, 0.15µH, XEL6030 (1.35mΩ) 4.8 90 3.0 POWER LOSS (W) POWER LOSS (W) 85 4.0 85 2.5 80 EFFICIENCY EFFICIENCY 3.2 80 2.0 75 2.4 EFFICIENCY (%) 75 1.5 EFFICIENCY (%) 70 1.6 70 POWER LOSS 1.0 POWER LOSS 65 0.8 65 L = XGL6030 0.5 SVIN = 3.3V SVIN = 3.3V 60 0 60 0 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 LOAD CURRENT (A) LOAD CURRENT (A) 8625s G12 8625s G13
12VIN to 1.8VOUT Efficiency 12VIN to 3.3VOUT Efficiency
100 6.4 100 6.4 SVIN = 3.3V SVIN = 5V 95 5.6 EFFICIENCY 95 5.6 EFFICIENCY 90 4.8 90 4.8 POWER LOSS (W) POWER LOSS (W) 85 4.0 85 1MHz, 1µH (4.2mΩ) 4.0 1MHz, 0.68µH (2.9mΩ) 2MHz, 0.68µH (2.9mΩ) 80 2MHz, 0.38µH (2mΩ) 3.2 80 3MHz, 0.38µH (2.0mΩ) 3.2 3MHz, 0.22µH (1.2mΩ) 4MHz, 0.22µH (1.2mΩ) 75 4MHz, 0.18µH (1mΩ) 2.4 EFFICIENCY (%) 75 EFFICIENCY (%) L = XGL6030 2.4 L = XGL6030 70 1.6 70 1.6 65 POWER LOSS 0.8 65 POWER LOSS 0.8 60 0 60 0 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 LOAD CURRENT (A) LOAD CURRENT (A) 8625s G14 8625s G15
12VIN to 5VOUT Efficiency
100 6.4 SVIN = 12V EFFICIENCY 95 5.6 90 4.8 POWER LOSS (W) 85 1MHz, 1.5µH (6.2mΩ) 4.0 2MHz, 0.68µH (2.9mΩ) 80 3MHz, 0.47µH (2.2mΩ) 3.2 4MHz, 0.38µH (2mΩ) 75 EFFICIENCY (%) L = XGL6030 2.4 70 1.6 POWER LOSS 65 0.8 60 0 1 2 3 4 5 6 7 8 LOAD CURRENT (A) 8625s G16 Rev. B 6 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted. 12VIN to 1VOUT Efficiency 12VIN to 1.2VOUT Efficiency
100 6.4 100 4.0 1MHz, 0.56µH, XEL6060 (2.6mΩ) 1MHz, 0.47µH (2.2mΩ) 95 2MHz, 0.33µH, XEL6060 (2mΩ) 5.6 2MHz, 0.38µH (2mΩ) 95 3.5 3MHz, 0.28µH, XEL6030 (2.1mΩ) 3MHz, 0.22µH (1.2mΩ) 4MHz, 0.18µH (1mΩ) 90 4MHz, 0.15µH, XEL6030 (1.35mΩ) 4.8 90 3.0 POWER LOSS (W) POWER LOSS (W) 85 4.0 85 2.5 80 EFFICIENCY EFFICIENCY 3.2 80 2.0 75 2.4 EFFICIENCY (%) 75 1.5 EFFICIENCY (%) 70 1.6 70 POWER LOSS 1.0 POWER LOSS 65 0.8 65 L = XGL6030 0.5 SVIN = 3.3V SVIN = 3.3V 60 0 60 0 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 LOAD CURRENT (A) LOAD CURRENT (A) 8625s G12 8625s G13
12VIN to 1.8VOUT Efficiency 12VIN to 3.3VOUT Efficiency
100 6.4 100 6.4 SVIN = 3.3V SVIN = 5V 95 5.6 EFFICIENCY 95 5.6 EFFICIENCY 90 4.8 90 4.8 POWER LOSS (W) POWER LOSS (W) 85 4.0 85 1MHz, 1µH (4.2mΩ) 4.0 1MHz, 0.68µH (2.9mΩ) 2MHz, 0.68µH (2.9mΩ) 80 2MHz, 0.38µH (2mΩ) 3.2 80 3MHz, 0.38µH (2.0mΩ) 3.2 3MHz, 0.22µH (1.2mΩ) 4MHz, 0.22µH (1.2mΩ) 75 4MHz, 0.18µH (1mΩ) 2.4 EFFICIENCY (%) 75 EFFICIENCY (%) L = XGL6030 2.4 L = XGL6030 70 1.6 70 1.6 65 POWER LOSS 0.8 65 POWER LOSS 0.8 60 0 60 0 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 LOAD CURRENT (A) LOAD CURRENT (A) 8625s G14 8625s G15
12VIN to 5VOUT Efficiency
100 6.4 SVIN = 12V EFFICIENCY 95 5.6 90 4.8 POWER LOSS (W) 85 1MHz, 1.5µH (6.2mΩ) 4.0 2MHz, 0.68µH (2.9mΩ) 80 3MHz, 0.47µH (2.2mΩ) 3.2 4MHz, 0.38µH (2mΩ) 75 EFFICIENCY (%) L = XGL6030 2.4 70 1.6 POWER LOSS 65 0.8 60 0 1 2 3 4 5 6 7 8 LOAD CURRENT (A) 8625s G16 Rev. B 6 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts