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Power Circuits / Linear Regulator ICs / SPX3940AM3-L-5-0
Datasheets
SPX3940AM3-L-5-0 by:
Sipex Corporation
Exar Corporation
MaxLinear Inc
Sipex Corporation
Not Found

Fixed Positive LDO Regulator, 5V, 0.55V Dropout, PDSO4, LEAD FREE, TO-261AA, SOT-223, 3 PIN

Part Details for SPX3940AM3-L-5-0 by Sipex Corporation

Results Overview of SPX3940AM3-L-5-0 by Sipex Corporation

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SPX3940AM3-L-5-0 Information

SPX3940AM3-L-5-0 by Sipex Corporation is a Linear Regulator IC.
Linear Regulator ICs are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Part Details for SPX3940AM3-L-5-0

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SPX3940AM3-L-5-0 Part Data Attributes

Parametric Data
SPX3940AM3-L-5-0 Sipex Corporation
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SPX3940AM3-L-5-0 Sipex Corporation Fixed Positive LDO Regulator, 5V, 0.55V Dropout, PDSO4, LEAD FREE, TO-261AA, SOT-223, 3 PIN
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Rohs Code Yes
Part Life Cycle Code Transferred
Ihs Manufacturer SIPEX CORP
Package Description LEAD FREE, TO-261AA, SOT-223, 3 PIN
Reach Compliance Code unknown
Dropout Voltage1-Max 0.55 V
Input Voltage-Max 16 V
Input Voltage-Min 6 V
JESD-30 Code R-PDSO-G4
JESD-609 Code e3
Length 6.5 mm
Moisture Sensitivity Level 1
Number of Functions 1
Number of Terminals 4
Output Voltage1-Max 5.125 V
Output Voltage1-Min 4.875 V
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOT-223-4
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Regulator Type FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Seated Height-Max 1.8 mm
Surface Mount YES
Terminal Finish Matte Tin (Sn)
Terminal Form GULL WING
Terminal Pitch 2.3 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 40
Width 3.5 mm

SPX3940AM3-L-5-0 Related Parts

SPX3940AM3-L-5-0 Frequently Asked Questions (FAQ)

  • A good PCB layout for the SPX3940AM3-L-5-0 should prioritize noise reduction and signal integrity. Keep the analog and digital grounds separate, use a solid ground plane, and minimize trace lengths and widths to reduce EMI and noise. Additionally, place decoupling capacitors close to the device and use a low-ESR capacitor for the output filter.

  • To ensure stability and prevent oscillations, make sure to follow the recommended output filter configuration and component values. Also, ensure that the output capacitor is properly sized and placed close to the device. Additionally, consider adding a small series resistor (e.g., 1-2 ohms) in the output stage to dampen any potential oscillations.

  • Although the datasheet specifies a maximum input voltage of 5.5V, it's recommended to limit the input voltage to 5V to ensure reliable operation and prevent damage to the device. Exceeding the maximum input voltage can lead to device failure or reduced lifespan.

  • The SPX3940AM3-L-5-0 is rated for operation up to 125°C, but it's essential to consider the device's thermal characteristics and ensure proper heat dissipation. Use a heat sink or thermal pad to keep the device temperature within the recommended range, and avoid exposing the device to extreme temperatures or thermal shocks.

  • To troubleshoot issues with the SPX3940AM3-L-5-0, start by verifying the input voltage, output load, and PCB layout. Check for any signs of overheating, and ensure that the device is properly soldered and connected. Use an oscilloscope to monitor the output voltage and current, and consult the datasheet and application notes for guidance on troubleshooting specific issues.