1.8V/3.3V Circuit Uses the Power Good Output of Channel 1 to Sequence the Two Outputs
Referenzdesign unter Verwendung des Teils LT1940 von Analog Devices
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Für Endprodukte
- Processor Power Management
Beschreibung
- Circuit shows LT1940 is a dual step-down switching regulator that solves these problems for systems requiring two or more regulated voltages. Its convert input range 4.7 to 14 to output 3.3V
Haupteigenschaften
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Conversion TypeDC to DC
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Input Voltage4.7 to 14 V
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Output Voltage1.8|3.3 V
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Output Current1@3.3V|1.4@1.8V A
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Efficiency86 %
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TopologyBuck
Empfohlene Bauteile (4)
| Teilenummer | Hersteller | Typ | Beschreibung | |||
|---|---|---|---|---|---|---|
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LT1940EFE | Analog Devices | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 3.6V to 25V Step Down Dual-Out 1.25V to 22V 1.4A/1.4A 16-Pin TSSOP EP | In den Warenkorb | |
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LT1940EFE#PBF | Analog Devices | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 3.6V to 25V Step Down Dual-Out 1.25V to 22V 1.4A/1.4A 16-Pin TSSOP EP Tube | In den Warenkorb | |
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LT1940EFE#TRPBF | Analog Devices | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 3.6V to 25V Step Down Dual-Out 1.25V to 22V 1.4A/1.4A 16-Pin TSSOP EP T/R | In den Warenkorb | |
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LT1940EFE#TR | Analog Devices | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 3.6V to 25V Step Down Dual-Out 1.25V to 22V 1.4A/1.4A 16-Pin TSSOP EP T/R | In den Warenkorb | |