LMR14203XMKXAlternatives & Equivalent Parts
About LMR14203XMKX
LMR14203XMKX is a Integrated Circuit 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.
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Specification Comparison
| Parameter | LMR14203XMKXSource | ACM2520-102-2P-T002 | UWT1C101MCL1GB | VLS6045EX-221M | ATXMEGA64D3-AU | LMR14203XMKE/NOPB |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | TDK | Nichicon | TDK | Microchip | Texas Instruments |
| Package Type | SOT23 (6-Pin) | Other | Capacitor Al Electrolytic | Other | Quad Flat Packages | SOT23 (6-Pin) |
| Pin Count | 6 | 4 | 2 | 2 | 64 | 6 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -55.0°C ~ 105.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C |
| Price | $0.4039 | $0.2834 | $0.0642 | $0.1552 | $3.8900 | $0.4039 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| YTEOL | 0 | 7 | 6.95 | 6.6 | 14 | 15 |
| Additional Feature | OUTPUT VOLTAGE RANGE IS 0.765 TO 34V | — | — | — | — | ALSO OPERATES IN ADJUSTABLE MODE FROM 0.765 TO 34V |
| Analog IC - Other Type | SWITCHING REGULATOR | — | — | — | — | SWITCHING REGULATOR |
| Control Mode | CURRENT-MODE | — | — | — | — | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION | — | — | — | — | PULSE WIDTH MODULATION |
| Input Voltage-Max | 42 V | — | — | — | — | 42 V |
| Input Voltage-Min | 4.5 V | — | — | — | — | 4.5 V |
| Input Voltage-Nom | 12 V | — | — | — | — | 12 V |
| JESD-30 Code | R-PDSO-G6 | — | — | — | S-PQFP-G64 | R-PDSO-G6 |
| Number of Functions | 1 | 2 | — | 1 | — | 1 |
| Output Voltage-Max | 34 V | — | — | — | — | 34 V |
| Output Voltage-Min | 0.765 V | — | — | — | — | 0.765 V |
| Package Body Material | PLASTIC/EPOXY | — | — | — | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP6,.11,37 | — | — | — | TQFP64,.63SQ,32 | TSOP6,.11,37 |
| Package Shape | RECTANGULAR | — | CYLINDRICAL PACKAGE | — | SQUARE | RECTANGULAR |
| Package Style | SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH | — | SMT | SMT | FLATPACK, THIN PROFILE | SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH |
| Surface Mount | YES | — | YES | YES | YES | YES |
| Switcher Configuration | BUCK | — | — | — | — | BUCK |
| Switching Frequency-Max | 1500 kHz | — | — | — | — | 1500 kHz |
| Technology | BICMOS | — | — | — | CMOS | BICMOS |
| Temperature Grade | AUTOMOTIVE | — | — | — | INDUSTRIAL | AUTOMOTIVE |
| Terminal Form | GULL WING | — | — | — | GULL WING | GULL WING |
| Terminal Pitch | 0.95 mm | — | — | — | 0.8 mm | 0.95 mm |
| Terminal Position | DUAL | — | — | — | QUAD | DUAL |
| Pbfree Code | — | Yes | Yes | — | Yes | Yes |
| Factory Lead Time | — | 15 Weeks | — | 12 Weeks | 17 Weeks | — |
| DC Resistance-Max | — | 0.9 Ω | — | — | — | — |
| Filter Type | — | FERRITE CHIP | — | — | — | — |
| Height | — | 1.2 mm | 5.4 mm | — | — | — |
| Insulation Resistance-Min | — | 10 MΩ | — | — | — | — |
| Mounting Type | — | SURFACE MOUNT | — | — | — | — |
| Output Impedance | — | 1000 OHM Ω | — | — | — | — |
| Packing Method | — | TR, 7 INCH | TR, 15 INCH | TR, Embossed Plastic, 13 Inch | — | — |
| Rated Current | — | 0.2 A | — | — | — | — |
| Rated Voltage | — | 20 V | — | — | — | — |
| Reach Compliance Code | — | — | Not Compliant | — | — | — |
| Capacitance | — | — | 100 µF | — | — | — |
| Capacitor Type | — | — | ALUMINUM ELECTROLYTIC CAPACITOR | — | — | — |
| Diameter | — | — | 6.3 mm | — | — | — |
| Dielectric Material | — | — | ALUMINUM (WET) | — | — | — |
| JESD-609 Code | — | — | e6 | e4 | e3 | e3 |
| Leakage Current | — | — | 0.016 mA | — | — | — |
| Mounting Feature | — | — | SURFACE MOUNT | — | — | — |
| Negative Tolerance | — | — | 20% | — | — | — |
| Polarity | — | — | POLARIZED | — | — | — |
| Positive Tolerance | — | — | 20% | — | — | — |
| Rated (DC) Voltage (URdc) | — | — | 16 V | — | — | — |
| Reference Standard | — | — | AEC-Q200 | — | — | — |
| Ripple Current | — | — | 60 mA | — | — | — |
| Size Code | — | — | 2626 | — | — | — |
| Tan Delta | — | — | 0.2 | — | — | — |
| Terminal Finish | — | — | Tin/Bismuth (Sn/Bi) | Silver/Platinum (Ag/Pt) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Shape | — | — | FLAT | WRAPAROUND | — | — |
| Case/Size Code | — | — | — | 2424 | — | — |
| Construction | — | — | — | Rectangular | — | — |
| Core Material | — | — | — | FERRITE | — | — |
| DC Resistance | — | — | — | 1.15 Ω | — | — |
| Inductance-Nom (L) | — | — | — | 220 µH | — | — |
| Inductor Application | — | — | — | POWER INDUCTOR | — | — |
| Inductor Type | — | — | — | GENERAL PURPOSE INDUCTOR | — | — |
| Package Height | — | — | — | 4.5 mm | — | — |
| Package Length | — | — | — | 6 mm | — | — |
| Package Width | — | — | — | 6 mm | — | — |
| Rated Current-Max | — | — | — | 0.5 A | — | — |
| Shape/Size Description | — | — | — | RECTANGULAR PACKAGE | — | — |
| Shielded | — | — | — | YES | — | — |
| Special Feature | — | — | — | DC RESISTANCE IS MEASURED AT 30% | — | — |
| Terminal Placement | — | — | — | DUAL ENDED | — | — |
| Test Frequency | — | — | — | 0.1 MHz | — | — |
| Tolerance | — | — | — | 20% | — | — |
| Manufacturer Package Code | — | — | — | — | TQFP-64 | — |
| Has ADC | — | — | — | — | YES | — |
| Bit Size | — | — | — | — | 8 | — |
| Boundary Scan | — | — | — | — | YES | — |
| CPU Family | — | — | — | — | AVR RISC | — |
| Clock Frequency-Max | — | — | — | — | 32 MHz | — |
| DAC Channels | — | — | — | — | NO | — |
| DMA Channels | — | — | — | — | NO | — |
| Number of I/O Lines | — | — | — | — | 50 | — |
| On Chip Program ROM Width | — | — | — | — | 8 | — |
| PWM Channels | — | — | — | — | YES | — |
| Peak Reflow Temperature (Cel) | — | — | — | — | 260 | 260 |
| Qualification Status | — | — | — | — | Not Qualified | Not Qualified |
| RAM (bytes) | — | — | — | — | 4096 | — |
| ROM (words) | — | — | — | — | 65536 | — |
| ROM Programmability | — | — | — | — | FLASH | — |
| Speed | — | — | — | — | 32 MHz | — |
| Supply Current-Max | — | — | — | — | 18 mA | — |
| Supply Voltage-Max | — | — | — | — | 3.6 V | — |
| Supply Voltage-Min | — | — | — | — | 1.8 V | — |
| Supply Voltage-Nom | — | — | — | — | 1.8 V | — |
| uPs/uCs/Peripheral ICs Type | — | — | — | — | MICROCONTROLLER, RISC | — |
| ## ATXMEGA64D3-AU Alternates Showing results | — | — | — | — | Image | — |
| Number of Outputs | — | — | — | — | — | 1 |
| Output Current-Max | — | — | — | — | — | 0.3 A |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | — | — | 30 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 5 alternatives for LMR14203XMKX — response within 24 hours.
Quick Links
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Switching Regulator, Current-mode, 0.3A, 1500kHz Switching Freq-Max, BICMOS, PDSO6
Why Look for Alternatives?
Finding alternatives for LMR14203XMKX 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 LMR14203XMKX 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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FAQ
What is equivalent to LMR14203XMKX?
Known equivalents for LMR14203XMKX include ACM2520-102-2P-T002, UWT1C101MCL1GB, VLS6045EX-221M. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LMR14203XMKX?
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 LMR14203XMKX 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.