LT1521's 12mA Standby Current Eliminates the Need for a Separate Memory Backup Supply
使用 Analog Devices 的 LT1521 的参考设计
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依据最终产品
- Power Management
- SD Memory Card Control
说明
- Circuit shows Battery Supply Using 300mA Positive Low Dropout Regulator With Micro-power Quiescent Current and shut-down as Means of Disconnecting All Circuitry Except for Memory and ON/OFF Control Logic
主要特色
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Conversion TypeDC to DC
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Input Voltage5.5 V
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Output Current0.3 A
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TopologyBuck
Featured Parts (47)
| 零件编号 | 供应商 | 类别 | 说明 | |||
|---|---|---|---|---|---|---|
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LTC1477CS8#TR | Analog Devices | Current Limit Switches | Current Limit SW 3-IN 1-OUT 2.7V to 5.5V 2A 8-Pin SOIC N T/R | 买入 | |
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LTC1477CS8#PBF | Analog Devices | Current Limit Switches | Current Limit SW 3-IN 1-OUT 2.7V to 5.5V 2A 8-Pin SOIC N Tube | 买入 | |
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LTC1477CS8#TRPBF | Analog Devices | Current Limit Switches | Current Limit SW 3-IN 1-OUT 2.7V to 5.5V 2A 8-Pin SOIC N T/R | 买入 | |
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LTC1477CS8 | Analog Devices | Current Limit Switches | Current Limit SW 3-IN 1-OUT 2.7V to 5.5V 2A 8-Pin SOIC N | 买入 | |
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LT1521CMS8-5 | Analog Devices | Linear Regulators | LDO Regulator Pos 5V 0.3A 8-Pin MSOP | 买入 | |
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LT1521IS8 | Analog Devices | Linear Regulators | LDO Regulator Pos 3.8V to 20V 0.3A 8-Pin SOIC N | 买入 | |
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LT1521CS8#TR | Analog Devices | Linear Regulators | LDO Regulator Pos 3.8V to 20V 0.3A 8-Pin SOIC N T/R | 买入 | |
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LT1521IS8#PBF | Analog Devices | Linear Regulators | LDO Regulator Pos 3.8V to 20V 0.3A 8-Pin SOIC N Tube | 买入 | |
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LT1521CST-3.3#TRPBF | Analog Devices | Linear Regulators | LDO Regulator Pos 3.3V 0.3A 4-Pin(3+Tab) SOT-223 T/R | 买入 | |
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LT1521CS8#PBF | Analog Devices | Linear Regulators | LDO Regulator Pos 3.8V to 20V 0.3A 8-Pin SOIC N Tube | 买入 | |
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LT1521IST-5#PBF | Analog Devices | Linear Regulators | LDO Regulator Pos 5V 0.3A 4-Pin(3+Tab) SOT-223 Tube | 买入 | |
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LT1521CMS8-5#PBF | Analog Devices | Linear Regulators | LDO Regulator Pos 5V 0.3A 8-Pin MSOP Tube | 买入 | |