Typical Application for LTC3541-3 - High Efficiency Buck + VLDO Regulator
Progetto di riferimento usando la parte LTC3541 di Analog Devices
Immagine
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Per prodotti finali
- Cellular Phone
- Computer Cards
- Digital Camera
- Distributed Power System
- DSL Modem
- Wireless
Per contattare il Servizio Clienti.
- Typical Application for LTC3541-3 - High Efficiency Buck + VLDO Regulator. The LTC3541-3 combines a synchronous buck DC/DC converter with a very low dropout linear regulator (VLDO regulator) and internal feedback resistor networks to provide two output voltages from a single input voltage with minimum external components. When configured for dual output operation, the LTC3541-3's auto start-up feature will bring the 1.575V VLDO/linear regulator output into regulation in a controlled manner prior to enabling the 1.8V buck output without the need for external pin control. The 300mA VLDO/linear regulator output will source only 30mA until the buck output achieves regulation. The input voltage range is ideally suited for applications powered from a Li-Ion battery and 5V or 3.3V rails
Funzioni principali
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Conversion TypeDC to DC
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Output Voltage1.575|1.8 V
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Output Current0.2@1.8V|0.3@1.757 A
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TopologyBuck|LDO
Parti in primo piano (8)
| Numero parte | Produttore | Tipo | Per contattare il Servizio Clienti. | |||
|---|---|---|---|---|---|---|
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LTC3541EDD-1#PBF | Analog Devices | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 2.7V to 5.5V Synchronous Step Down Dual-Out 0.8V to 5V 0.5A/0.5A 10-Pin DFN EP Tube | AGGIORNA | |
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LTC3541EDD-3#TRPBF | Analog Devices | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 2.7V to 5.5V Synchronous Step Down Dual-Out 1.8V/1.575V 0.5A/0.5A 10-Pin DFN EP T/R | AGGIORNA | |
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LTC3541EDD-2#TRPBF | Analog Devices | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 2.7V to 5.5V Synchronous Step Down Dual-Out 1.875V/1.5V 0.5A/0.5A 10-Pin DFN EP T/R | AGGIORNA | |
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LTC3541EDD#PBF | Analog Devices | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 2.7V to 5.5V Synchronous Step Down Dual-Out 0.8V to 5V 0.5A/0.5A 10-Pin DFN EP Tube | AGGIORNA | |
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LTC3541EDD-1#TRPBF | Analog Devices | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 2.7V to 5.5V Synchronous Step Down Dual-Out 0.8V to 5V 0.5A/0.5A 10-Pin DFN EP T/R | AGGIORNA | |
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LTC3541EDD#TRPBF | Analog Devices | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 2.7V to 5.5V Synchronous Step Down Dual-Out 0.8V to 5V 0.5A/0.5A 10-Pin DFN EP T/R | AGGIORNA | |
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LTC3541EDD-2#PBF | Analog Devices | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 2.7V to 5.5V Synchronous Step Down Dual-Out 1.875V/1.5V 0.5A/0.5A 10-Pin DFN EP Tube | AGGIORNA | |
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LTC3541EDD-3#PBF | Analog Devices | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 2.7V to 5.5V Synchronous Step Down Dual-Out 1.8V/1.575V 0.5A/0.5A 10-Pin DFN EP Tube | AGGIORNA | |