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What input voltages can this circuit handle?
rex-flux

rex-flux

@copilot What input voltages can this circuit handle?
2y

copilot

The LTC3401 is a micropower, monolithic, synchronous, step-up DC/DC converter. To determine the range of input voltages this circuit can handle, we'll need to consult the LTC3401 datasheet from Analog Devices. While I can't fetch live data or documents, I can provide information based on typical values and specifications from memory.
For the LTC3401:
  • Minimum Input Voltage: The LTC3401 is designed to start up from an input voltage as low as 0.85V under no load condition. However, to maintain operation under load, a higher minimum input voltage is likely required, typically around 1V or slightly higher.
  • Maximum Input Voltage: The maximum input voltage for the LTC3401 is typically 10V. Operating the device above this voltage may damage the IC or severely affect its performance.
Based on these typical specifications:
  • The circuit can handle an input voltage range of approximately 1V to 10V to properly function as a boost converter, generating a 3.3V output. The precise input voltage range may vary based on external factors such as load current, temperature, and specific application requirements.
Keep in mind, actual performance could vary and it's always a good idea to review the datasheet for the most accurate and detailed information, including any application notes that might provide guidance on optimizing the input voltage range for your specific use case.
2y
2
C1
Capacitance
22uF
MODE
D1
+3V3
VIN
VIN
U1
Manufacturer Part Number
LTC3401EMS#TRPBF
C4
Capacitance
470pF
PG
+3V3
VIN
+3V3
C2
Capacitance
4.7uF
GND
VIN
C3
Capacitance
4.7pF
GND
R4
Resistance
549kΩ
R3
Resistance
30.1kΩ
R1
Resistance
909kΩ
L1
Inductance
4.7uH
R2
Resistance
82kΩ

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    LTC3401 Reference Design-removebg-preview.png

    LTC3401 Reference Design-removebg-preview.png

    LTC3401 Reference Design-removebg-previewThumbnail

    LTC3401 Reference Design

    LTC3401 Reference Design thumbnail
    This LTC3401-based reference design is a boost converter, transforming a lower input voltage into a stable 3V3 output. Perfect for applications that need a regulated 3V3 power source. #referenceDesign #project #boostConverter #voltageRegulator #3V3 #LTC3401 #referenceDesign #powermanagement #analogdevices #template #reference-design

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