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LT8646SEVPBF 数据表(PDF) 27 Page - Analog Devices |
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LT8646SEVPBF 数据表(HTML) 27 Page - Analog Devices |
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27 / 30 page  LT8645S/LT8646S 27 Rev. B For more information www.analog.com Figure 11. 2MHz 5V, 8A Step-Down Converter Figure 13. 12V, 8A Step-Down Converter TYPICAL APPLICATIONS Figure 12. 2MHz 3.3V, 8A Step-Down Converter LT8645S/ LT8646S SW BIAS FB VIN 5.5V TO 65V GND PINS NOT USED IN THIS CIRCUIT: BST, CLKOUT, INTVCC, PG, SYNC/MODE, TR/SS *VC PIN AND COMPONENTS ONLY APPLY TO LT8646S. RT VIN EN/UV VOUT 5V 8A 100µF 1210 X5R/X7R 4.7pF 8645S F11 4.7µF 17.8k 1M 243k 1µH fSW = 2MHz L: XEL6030 VC* 7.5k 330pF LT8645S/ LT8646S SW BIAS FB VIN 3.8V TO 42V (65V TRANSIENT) GND PINS NOT USED IN THIS CIRCUIT: BST, CLKOUT, INTVCC, PG, SYNC/MODE, TR/SS *VC PIN AND COMPONENTS ONLY APPLY TO LT8646S. RT VIN EN/UV VOUT 3.3V 8A 100µF 1210 X5R/X7R 4.7pF 8645S F12 4.7µF 17.8k 1M 412k 0.82µH fSW = 2MHz L: XEL6030 VC* 8.87k 330pF LT8645S SW BIAS FB VIN 12.5V TO 65V GND RT VIN EN/UV VOUT 12V 8A 47µF 1210 X5R/X7R 2.2pF 8645S F13 4.7µF 41.2k 1M 88.7k 4.7µH fSW = 1MHz L: XEL6060 PINS NOT USED IN THIS CIRCUIT: BST, CLKOUT, INTVCC, PG, SYNC/MODE, TR/SS |
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