Datasheet LTC7801 (Analog Devices) - 35
| 制造商 | Analog Devices |
| 描述 | 150V Low IQ, Synchronous Step-Down DC/DC Controller |
| 页数 / 页 | 38 / 35 — Typical applicaTions. High Efficiency 60V to 5V Step-Down Regulator with … |
| 文件格式/大小 | PDF / 2.4 Mb |
| 文件语言 | 英语 |
Typical applicaTions. High Efficiency 60V to 5V Step-Down Regulator with Surge Protection to 140V
文件文字版本
LTC7801
Typical applicaTions High Efficiency 60V to 5V Step-Down Regulator with Surge Protection to 140V
VIN 8V to 60V* CINA CINB 100µF 0.47µF x3 MTOP VIN TG x2 RUN BOOST *Surges to 140V, L1 OVLO stops switching NDRV CB 4.7µH V when VIN > 65V 0.1µF OUT R DRV 5V OVLOB CC 1M SW 10A CDRV C CC LTC7801 OUTB BG MBOT 4.7µF RSNS 100µF 2.43k x2 OVLO COUTA SENSE+ 470µF R C OVLOA PLLIN SNS 470nF 1M 18.7k CPUMP_EN SENSE– MODE VFB ITH INTV PINS NOT USED CC 191k DRVSET IN THIS CIRCUIT: PGOOD R DRVUV FREQ ITH RSS C 4.99k 330k ITHB EXTVCC 100pF SS C R INTV FREQ CITHA CC 0.1µF CSS 36.5k 3.3nF 0.1µF GND 7801 TA05 MTOP: BSC520N15NS3G MBOT: BSC042NE7NS3G L1: COILCRAFT XAL1010-472ME COUTA: KEMET T520D477M006ATE015 7801f For more information www.linear.com/LTC7801 35 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts
Typical applicaTions High Efficiency 60V to 5V Step-Down Regulator with Surge Protection to 140V
VIN 8V to 60V* CINA CINB 100µF 0.47µF x3 MTOP VIN TG x2 RUN BOOST *Surges to 140V, L1 OVLO stops switching NDRV CB 4.7µH V when VIN > 65V 0.1µF OUT R DRV 5V OVLOB CC 1M SW 10A CDRV C CC LTC7801 OUTB BG MBOT 4.7µF RSNS 100µF 2.43k x2 OVLO COUTA SENSE+ 470µF R C OVLOA PLLIN SNS 470nF 1M 18.7k CPUMP_EN SENSE– MODE VFB ITH INTV PINS NOT USED CC 191k DRVSET IN THIS CIRCUIT: PGOOD R DRVUV FREQ ITH RSS C 4.99k 330k ITHB EXTVCC 100pF SS C R INTV FREQ CITHA CC 0.1µF CSS 36.5k 3.3nF 0.1µF GND 7801 TA05 MTOP: BSC520N15NS3G MBOT: BSC042NE7NS3G L1: COILCRAFT XAL1010-472ME COUTA: KEMET T520D477M006ATE015 7801f For more information www.linear.com/LTC7801 35 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts