Part Details for LM3670MFX-ADJ by National Semiconductor Corporation
Results Overview of LM3670MFX-ADJ by National Semiconductor Corporation
- Distributor Offerings: (3 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (1 option)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
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LM3670MFX-ADJ Information
LM3670MFX-ADJ by National Semiconductor Corporation is a Switching Regulator or Controller.
Switching Regulator or Controllers 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.
Price & Stock for LM3670MFX-ADJ
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
2156-LM3670MFX-ADJ-ND
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DigiKey | IC REG BUCK ADJ 350MA SOT23-5 Min Qty: 342 Lead time: 1 Weeks Container: Bulk MARKETPLACE PRODUCT |
14514 In Stock |
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$0.8800 | Buy Now |
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DISTI #
87488275
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Verical | Conv DC-DC 2.5V to 5.5V Synchronous Step Down Single-Out 0.7V to 3.3V 0.35A 5-Pin SOT-23 T/R Min Qty: 355 Package Multiple: 1 | Americas - 5926 |
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$0.6553 / $1.0569 | Buy Now |
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Rochester Electronics | Switching Regulator, Voltage-mode, 0.75A, 1300kHz Switching Freq-Max, PDSO5 ' RoHS: Not Compliant Status: Obsolete Min Qty: 1 | 14514 |
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$0.5242 / $0.8455 | Buy Now |
Part Details for LM3670MFX-ADJ
LM3670MFX-ADJ CAD Models
LM3670MFX-ADJ Part Data Attributes
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LM3670MFX-ADJ
National Semiconductor Corporation
Buy Now
Datasheet
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LM3670MFX-ADJ
National Semiconductor Corporation
IC 0.75 A SWITCHING REGULATOR, 1300 kHz SWITCHING FREQ-MAX, PDSO5, SOT-23, 5 PIN, Switching Regulator or Controller
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| Pbfree Code | No | |
| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | NATIONAL SEMICONDUCTOR CORP | |
| Package Description | SOT-23, 5 PIN | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Additional Feature | AUTOMATIC PFM/PWM MODE SWITCHING | |
| Analog IC - Other Type | SWITCHING REGULATOR | |
| Control Mode | VOLTAGE-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Max | 5.5 V | |
| Input Voltage-Min | 2.5 V | |
| Input Voltage-Nom | 3.6 V | |
| JESD-30 Code | R-PDSO-G5 | |
| JESD-609 Code | e0 | |
| Length | 2.92 mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Terminals | 5 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current-Max | 0.75 A | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | LSSOP | |
| Package Equivalence Code | TSOP5/6,.11,37 | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.22 mm | |
| Surface Mount | YES | |
| Switcher Configuration | BUCK | |
| Switching Frequency-Max | 1300 kHz | |
| Technology | CMOS | |
| Temperature Grade | INDUSTRIAL | |
| Terminal Finish | Tin/Lead (Sn85Pb15) | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 0.953 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 40 | |
| Width | 1.6 mm |
Alternate Parts for LM3670MFX-ADJ
This table gives cross-reference parts and alternative options found for LM3670MFX-ADJ. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LM3670MFX-ADJ, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LM3670MFX-ADJ/NOPB | Texas Instruments | Check for Price | Miniature Step-Down DC-DC Converter for Ultra Low Voltage Circuits 5-SOT-23 -40 to 85 | LM3670MFX-ADJ vs LM3670MFX-ADJ/NOPB |
LM3670MFX-ADJ Frequently Asked Questions (FAQ)
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The maximum input voltage that can be applied to the LM3670MFX-ADJ is 15V, but it's recommended to keep it below 12V for optimal performance and reliability.
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To ensure the output voltage is stable and accurate, make sure to use a stable input voltage, choose the correct output voltage setting resistors, and provide adequate decoupling capacitors at the input and output pins.
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The minimum input voltage required for the LM3670MFX-ADJ to operate is 2.5V, but it's recommended to keep it above 3V for optimal performance and reliability.
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The LM3670MFX-ADJ is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage at high temperatures to ensure reliability and prevent thermal shutdown.
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The output voltage of the LM3670MFX-ADJ can be calculated using the formula: Vout = 1.21V x (1 + R1/R2), where R1 and R2 are the resistors connected to the ADJ pin.