Part Details for LM1770TMF/NOPB by Texas Instruments
Results Overview of LM1770TMF/NOPB by Texas Instruments
- Distributor Offerings: (4 listings)
- Number of FFF Equivalents: (1 replacement)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (5 options)
- 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.
Applications
Industrial Automation
Energy and Power Systems
Renewable Energy
LM1770TMF/NOPB Information
LM1770TMF/NOPB by Texas Instruments 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 LM1770TMF/NOPB
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
926-LM1770TMF/NOPB
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Mouser Electronics | Switching Controllers Low-Vtg Sync Buck Cn tlr A 926-LM1770TMFX/NOPB RoHS: Compliant | 0 |
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$1.1000 / $2.6300 | Order Now |
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DISTI #
85997008
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Verical | DC/DC Cntrlr Single-OUT Step Down 1000kHz 5-Pin SOT-23 T/R RoHS: Compliant Min Qty: 218 Package Multiple: 1 Date Code: 1201 | Americas - 2500 |
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$1.0684 / $1.7250 | Buy Now |
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DISTI #
85989810
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Verical | DC/DC Cntrlr Single-OUT Step Down 1000kHz 5-Pin SOT-23 T/R RoHS: Compliant Min Qty: 218 Package Multiple: 1 Date Code: 1301 | Americas - 853 |
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$1.0684 / $1.7250 | Buy Now |
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Rochester Electronics | LM1770 Low-Voltage SOT23 Synchronous Buck Controller With No External Compensation RoHS: Compliant Status: Active Min Qty: 1 | 3353 |
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$0.8547 / $1.3800 | Buy Now |
Part Details for LM1770TMF/NOPB
LM1770TMF/NOPB CAD Models
LM1770TMF/NOPB Part Data Attributes
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LM1770TMF/NOPB
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
LM1770TMF/NOPB
Texas Instruments
Low-Voltage SOT23 Synchronous Buck Controller With No External Compensation 5-SOT-23 -40 to 125
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | TEXAS INSTRUMENTS INC | |
| Part Package Code | SOT-23 | |
| Package Description | GREEN, PLASTIC, SOT-23, 5 PIN | |
| Pin Count | 5 | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Samacsys Manufacturer | Texas Instruments | |
| Additional Feature | ALSO HAS ADJUSTABLE OUTPUT VOLTAGE AS LOW AS 0.8V | |
| Analog IC - Other Type | SWITCHING CONTROLLER | |
| Control Technique | PULSE WIDTH MODULATION | |
| Input Voltage-Max | 5.5 V | |
| Input Voltage-Min | 2.8 V | |
| Input Voltage-Nom | 3.3 V | |
| JESD-30 Code | R-PDSO-G5 | |
| JESD-609 Code | e3 | |
| Length | 2.9 mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Outputs | 1 | |
| Number of Terminals | 5 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current-Max | 4 A | |
| Output Voltage-Max | 4.5 V | |
| Output Voltage-Min | 0.8 V | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | LSSOP | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | |
| Peak Reflow Temperature (Cel) | 260 | |
| Seated Height-Max | 1.45 mm | |
| Surface Mount | YES | |
| Switcher Configuration | PUSH-PULL | |
| Switching Frequency-Max | 2000 kHz | |
| Temperature Grade | AUTOMOTIVE | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 0.95 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 1.6 mm |
Alternate Parts for LM1770TMF/NOPB
This table gives cross-reference parts and alternative options found for LM1770TMF/NOPB. 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 LM1770TMF/NOPB, 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 |
|---|---|---|---|---|
| LM1770TMF | National Semiconductor Corporation | Check for Price | IC SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO5, SOT-23, 5 PIN, Switching Regulator or Controller | LM1770TMF/NOPB vs LM1770TMF |
LM1770TMF/NOPB Frequently Asked Questions (FAQ)
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The maximum power dissipation of the LM1770 is dependent on the package type and thermal resistance. For the LM1770TMF/NOPB, which is a 5-pin SOT-23 package, the maximum power dissipation is approximately 1.4W at a junction temperature of 150°C.
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To ensure stability in the LM1770 voltage regulator, it is recommended to use a minimum output capacitance of 10uF with an ESR (Equivalent Series Resistance) of less than 5 ohms. Additionally, the input capacitor should be at least 1uF with an ESR of less than 5 ohms.
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The minimum input voltage required for the LM1770 to operate is 2.5V, but it is recommended to use an input voltage of at least 3V to ensure proper regulation.
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No, the LM1770 is a positive voltage regulator and cannot be used as a negative voltage regulator. If a negative voltage regulator is required, a different device such as the LM337 or LM137 should be used.
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The output voltage of the LM1770 can be adjusted by using a resistive divider network between the output and the adjust pin. The output voltage is determined by the ratio of the resistors and the internal reference voltage of the LM1770.