LM1770UMFAlternatives & Equivalent Parts
About LM1770UMF
LM1770UMF is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LM1770UMFSource | LM1770UMF/NOPB |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Package Type | Other | SOT23 (5-Pin) |
| 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 | No | Yes |
| YTEOL | 0 | 15 |
| 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 | e0 | e3 |
| Number of Functions | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 | — |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 | 260 |
| Qualification Status | Not Qualified | — |
| Surface Mount | YES | YES |
| Switcher Configuration | PUSH-PULL | PUSH-PULL |
| Switching Frequency-Max | 1000 kHz | 2000 kHz |
| Technology | CMOS | — |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE |
| Terminal Finish | TIN LEAD | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING |
| Terminal Pitch | 0.95 mm | 0.95 mm |
| Terminal Position | DUAL | DUAL |
| Number of Outputs | — | 1 |
| Output Current-Max | — | 4 A |
| Output Voltage-Max | — | 4.5 V |
| Output Voltage-Min | — | 0.8 V |
| Time@Peak Reflow Temperature-Max (s) | — | 30 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Switching Controller, Voltage-mode, 4A, 2000kHz Switching Freq-Max, PDSO5
Why Look for Alternatives?
Finding alternatives for LM1770UMF 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 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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What is equivalent to LM1770UMF?
Known equivalents for LM1770UMF include LM1770UMF/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM1770UMF?
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 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.