LMR51420YFDDCRAlternatives & Equivalent Parts
About LMR51420YFDDCR
LMR51420YFDDCR is a Power Supply component manufactured by Texas Instruments. It comes in a SOT23 (6-Pin) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LMR51420YFDDCRSource | LMR51420XFDDCR | LMR51420YDDCR | LMR51420XDDCR |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | SOT23 (6-Pin) | SOT23 (6-Pin) | SOT23 (6-Pin) | SOT23 (6-Pin) |
| Pin Count | 6 | 6 | 6 | 6 |
| Temperature Range | -40.0°C ~ 150.0°C | -40.0°C ~ 150.0°C | -40.0°C ~ 150.0°C | -40.0°C ~ 150.0°C |
| Price | $0.6090 | — | $0.3582 | $0.4031 |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | Yes | Yes |
| YTEOL | 15 | 15 | 15 | 15 |
| Analog IC - Other Type | SWITCHING REGULATOR | SWITCHING REGULATOR | SWITCHING REGULATOR | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE | CURRENT-MODE | CURRENT-MODE | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | PULSE FREQUENCY MODULATION | PULSE FREQUENCY MODULATION |
| Input Voltage-Max | 36 V | 36 V | 36 V | 36 V |
| Input Voltage-Min | 4.5 V | 4.5 V | 4.5 V | 4.5 V |
| Input Voltage-Nom | 12 V | 12 V | 12 V | 12 V |
| JESD-30 Code | R-PDSO-G6 | R-PDSO-G6 | R-PDSO-G6 | R-PDSO-G6 |
| JESD-609 Code | e3 | e3 | e3 | e3 |
| Number of Functions | 1 | 1 | 1 | 1 |
| Number of Outputs | 1 | 1 | 1 | 1 |
| Output Current-Max | 2 A | 2 A | 2 A | 2 A |
| Output Voltage-Max | 34.2 V | 34.2 V | 34.2 V | 34.2 V |
| Output Voltage-Min | 0.6 V | 0.6 V | 0.6 V | 0.6 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP6,.11,37 | TSOP6,.11,37 | TSOP6,.11,37 | TSOP6,.11,37 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE | SMALL OUTLINE, THIN PROFILE | SMALL OUTLINE, THIN PROFILE | SMALL OUTLINE, THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 |
| Surface Mount | YES | YES | YES | YES |
| Switcher Configuration | BUCK | BUCK | BUCK | BUCK |
| Switching Frequency-Max | 1100 kHz | 1100 kHz | 1100 kHz | 1100 kHz |
| Technology | BICMOS | BICMOS | BICMOS | BICMOS |
| Terminal Finish | Tin (Sn) | Tin (Sn) | Tin (Sn) | Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.95 mm | 0.95 mm | 0.95 mm | 0.95 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL |
| 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 Regulator, Current-mode, 2A, 1100kHz Switching Freq-Max, BICMOS, PDSO6
Switching Regulator, Current-mode, 2A, 1100kHz Switching Freq-Max, BICMOS, PDSO6
Switching Regulator, Current-mode, 2A, 1100kHz Switching Freq-Max, BICMOS, PDSO6
Why Look for Alternatives?
Finding alternatives for LMR51420YFDDCR 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 LMR51420YFDDCR 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 LMR51420YFDDCRFAQ
What is equivalent to LMR51420YFDDCR?
Known equivalents for LMR51420YFDDCR include LMR51420XFDDCR, LMR51420YDDCR, LMR51420XDDCR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LMR51420YFDDCR?
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 LMR51420YFDDCR 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.