Datasheet LTC3446 (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | Monolithic Buck Regulator with Dual VLDO Regulators |
| 页数 / 页 | 20 / 8 — block DiagraM |
| 文件格式/大小 | PDF / 290 Kb |
| 文件语言 | 英语 |
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该数据表的模型线
文件文字版本
LTC3446
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3 2 ITH VIN 0.4V VOLTAGE ITH 0.8V REFERENCE PARK ERROR ITH PMOS CURRENT AMPLIFIER LIMIT COMPARATOR + BCLAMP + – B BUCKFB 12 – – + + VB BURST COMPARATOR SLOPE SW 14 OSCILLATOR COMPENSATION + PGOOD 4 LOGIC POWER – GOOD NMOS OVERCURRENT COMPARATOR – + GND ENBUCK 15 13 REVERSE EXPOSED MODESEL 1 CURRENT PAD COMPARATOR VIN LVIN + 6 VLDO1 SOFT-START – 6µA LVOUT1 5 LVFB1 10 ENLDO1 11 VIN + VLDO2 SOFT-START – 6µA LVOUT2 7 LVFB2 9 ENLDO2 8 3446 BD 3446ff 8 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
block DiagraM
3 2 ITH VIN 0.4V VOLTAGE ITH 0.8V REFERENCE PARK ERROR ITH PMOS CURRENT AMPLIFIER LIMIT COMPARATOR + BCLAMP + – B BUCKFB 12 – – + + VB BURST COMPARATOR SLOPE SW 14 OSCILLATOR COMPENSATION + PGOOD 4 LOGIC POWER – GOOD NMOS OVERCURRENT COMPARATOR – + GND ENBUCK 15 13 REVERSE EXPOSED MODESEL 1 CURRENT PAD COMPARATOR VIN LVIN + 6 VLDO1 SOFT-START – 6µA LVOUT1 5 LVFB1 10 ENLDO1 11 VIN + VLDO2 SOFT-START – 6µA LVOUT2 7 LVFB2 9 ENLDO2 8 3446 BD 3446ff 8 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts