LM1770UMF/NOPBAlternatives & Equivalent Parts
About LM1770UMF/NOPB
LM1770UMF/NOPB is a Integrated Circuit component manufactured by Texas Instruments. It comes in a SOT23 (5-Pin) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LM1770UMF/NOPBSource | LM1770UMF |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Package Type | SOT23 (5-Pin) | Other |
| Pin Count | 5 | 5 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $0.3859 | $0.3859 |
| Electrical Parameters | ||
| Pbfree Code | Yes | No |
| YTEOL | 15 | 0 |
| Analog IC - Other Type | SWITCHING CONTROLLER | SWITCHING CONTROLLER |
| Control Mode | VOLTAGE-MODE | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION |
| Input Voltage-Max | 5.5 V | 5.5 V |
| Input Voltage-Min | 2.8 V | 2.8 V |
| Input Voltage-Nom | 3.3 V | 3.3 V |
| JESD-30 Code | R-PDSO-G5 | R-PDSO-G5 |
| JESD-609 Code | e3 | e0 |
| Number of Functions | 1 | 1 |
| Number of Outputs | 1 | — |
| Output Current-Max | 4 A | — |
| Output Voltage-Max | 4.5 V | — |
| Output Voltage-Min | 0.8 V | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 | 260 |
| Surface Mount | YES | YES |
| Switcher Configuration | PUSH-PULL | PUSH-PULL |
| Switching Frequency-Max | 2000 kHz | 1000 kHz |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) | TIN LEAD |
| Terminal Form | GULL WING | GULL WING |
| Terminal Pitch | 0.95 mm | 0.95 mm |
| Terminal Position | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | — |
| Package Equivalence Code | — | TSOP5/6,.11,37 |
| Qualification Status | — | Not Qualified |
| Technology | — | CMOS |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for LM1770UMF/NOPB is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating LM1770UMF/NOPB replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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Request Alternatives for LM1770UMF/NOPBFAQ
What is equivalent to LM1770UMF/NOPB?
Known equivalents for LM1770UMF/NOPB include LM1770UMF. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM1770UMF/NOPB?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify LM1770UMF/NOPB alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.