Datasheet LT8630 (Analog Devices) - 21

LT8630
Typical applicaTions High Efficiency 12V Step-Down Converter Efficiency vs Load Current
100 VIN V V IN 13V TO 100V BST L1 OUT = 12V LT8630 2.2µF 0.1µF 24µH 95 EN/UV SW VOUT 90 D1 100k 85 POWER GOOD PG IND 80 VOUT INTVCC VOUT 12V 75 0.6A EFFICIENCY (%) 2.2µF 10pF 1M 47µF 70 24VIN RT FB 1210 48VIN 16V 65 72V 8.66k IN TR/SS 100V 71.5k IN GND 60 0.1µF 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 LOAD CURRENT (A) 8630 TA05b D1: VISHAY SS2PH10 L1: B65807JR49 EPCOS RM6 CORE WITH 0.2mm CENTERPOLE GAP NINE TURNS 60/38G LITZ WIRE 8630 TA05a
28V Step-Down Converter LT8630 Efficiency
95 VIN VIN 30V TO 100V BST LT8630 L1 2.2µF 0.1µF 33µH 90 ×2 1M 0.1µF SW 85 EN/UV IND 41.2k 80 VOUT INTVCC VOUT 28V EFFICIENCY (%) 75 2.2µF 0.6A 22pF 1M RT FB 70 4.7µF VIN = 64V 8.66k TR/SS VOUT = 28V + GND 29.4k 65 47µF 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.1µF LOAD CURRENT (A) 8630 TA06b 8630 TA06a L: WURTH 7447714330 8630f For more information www.linear.com/LT8630 21 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts