LM43603PWPTAlternatives & Equivalent Parts
About LM43603PWPT
LM43603PWPT is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages 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 | LM43603PWPTSource | LM43603AQPWPRQ1 | LM43603PWPR | TPS54202HDDCR | DRV8424EPWPR | 744053100 | SSM-103-L-SH | SSM-103-L-SV |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Würth Elektronik | SAMTEC | SAMTEC |
| Package Type | Small Outline Packages | Small Outline Packages | Small Outline Packages | SOT23 (6-Pin) | Small Outline Packages | Other | Other | Other |
| Pin Count | 17 | 17 | 17 | 6 | 29 | 2 | 6 | 3 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -55.0°C ~ 125.0°C | -55.0°C ~ 125.0°C |
| Price | $0.7887 | $2.2200 | $0.7584 | $0.3322 | $1.9700 | $0.5940 | $0.5089 | $0.4640 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||||
| Pbfree Code | Yes | Yes | Yes | Yes | Yes | — | Yes | Yes |
| YTEOL | 15 | 15 | 15 | 15 | 15 | 15 | 9.1 | 9.1 |
| Analog IC - Other Type | SWITCHING REGULATOR | SWITCHING REGULATOR | SWITCHING REGULATOR | SWITCHING REGULATOR | STEPPER MOTOR CONTROLLER | — | — | — |
| Control Mode | CURRENT-MODE | CURRENT-MODE | CURRENT-MODE | CURRENT-MODE | — | — | — | — |
| Control Technique | PWM/PFM | PULSE WIDTH MODULATION | PWM/PFM | PULSE WIDTH MODULATION | — | — | — | — |
| Input Voltage-Max | 36 V | 36 V | 36 V | 28 V | — | — | — | — |
| Input Voltage-Min | 3.5 V | 3.5 V | 3.5 V | 4.5 V | — | — | — | — |
| Input Voltage-Nom | 12 V | 12 V | 12 V | 12 V | — | — | — | — |
| JESD-30 Code | R-PDSO-N16 | R-PDSO-G16 | R-PDSO-N16 | R-PDSO-G6 | R-PDSO-G28 | — | — | — |
| JESD-609 Code | e4 | e4 | e4 | e3 | e4 | — | e3 | e3 |
| Number of Functions | 1 | 1 | 1 | 1 | 1 | 1 | — | — |
| Number of Outputs | 1 | 1 | 1 | 1 | — | — | — | — |
| Output Current-Max | 3 A | 3 A | 3 A | 2 A | 4 A | — | — | — |
| Output Voltage-Max | 28 V | 28 V | 28 V | 26 V | — | — | — | — |
| Output Voltage-Min | 1 V | 1 V | 1 V | 0.6 V | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — | — |
| Package Equivalence Code | TSSOP16,.25 | — | TSSOP16,.25 | — | TSSOP28,.25 | — | — | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | — | — | — |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH | SMT | — | — |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 | — | — | — |
| Surface Mount | YES | YES | YES | YES | YES | YES | — | — |
| Switcher Configuration | BUCK | BUCK | BUCK | BUCK | — | — | — | — |
| Switching Frequency-Max | 2200 kHz | 2200 kHz | 2200 kHz | 500 kHz | — | — | — | — |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | AUTOMOTIVE | AUTOMOTIVE | AUTOMOTIVE | — | — | — |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | — | — | — |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | — | — | — |
| Terminal Pitch | 0.65 mm | 0.65 mm | 0.65 mm | 0.95 mm | 0.65 mm | — | 2.54 mm | 2.54 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | 30 | 30 | — | — | — |
| ## LM43603PWPT Alternates Showing results | Image | — | — | — | — | — | — | — |
| Date Of Intro | — | 2017-03-03 | — | 2016-05-01 | 2020-05-31 | — | — | — |
| Additional Feature | — | OPERATES WITH ADJ OUTPUT VOLTAGE= 1V TO 28V | — | — | — | — | E.L.P., TIGER CLAW | E.L.P., TIGER CLAW |
| Output Voltage-Nom | — | 3.3 V | — | — | — | — | — | — |
| Screening Level | — | AEC-Q100 | — | — | — | — | — | — |
| Technology | — | BICMOS | — | — | — | — | — | — |
| ## LM43603PWPR Alternates Showing results | — | — | Image | — | — | — | — | — |
| Supply Voltage-Max (Vsup) | — | — | — | — | 5.5 V | — | — | — |
| Supply Voltage-Min (Vsup) | — | — | — | — | 4.5 V | — | — | — |
| Supply Voltage-Nom (Vsup) | — | — | — | — | 5 V | — | — | — |
| Case/Size Code | — | — | — | — | — | 2323 | — | — |
| Construction | — | — | — | — | — | Rectangular | — | — |
| Core Material | — | — | — | — | — | MANGANESE-ZINC | — | — |
| DC Resistance | — | — | — | — | — | 0.07 Ω | — | — |
| Inductance-Nom (L) | — | — | — | — | — | 10 µH | — | — |
| Inductor Application | — | — | — | — | — | POWER INDUCTOR | — | — |
| Inductor Type | — | — | — | — | — | GENERAL PURPOSE INDUCTOR | — | — |
| Package Height | — | — | — | — | — | 2.8 mm | — | — |
| Package Length | — | — | — | — | — | 5.8 mm | — | — |
| Package Width | — | — | — | — | — | 5.8 mm | — | — |
| Packing Method | — | — | — | — | — | TR, Embossed Plastic, 7 Inch | — | — |
| Rated Current-Max | — | — | — | — | — | 1.5 A | — | — |
| Self Resonance Frequency | — | — | — | — | — | 35 MHz | — | — |
| Shape/Size Description | — | — | — | — | — | RECTANGULAR PACKAGE | — | — |
| Shielded | — | — | — | — | — | YES | — | — |
| Terminal Placement | — | — | — | — | — | DUAL ENDED | — | — |
| Terminal Shape | — | — | — | — | — | ONE SURFACE | — | — |
| Test Frequency | — | — | — | — | — | 0.1 MHz | — | — |
| Tolerance | — | — | — | — | — | 30% | — | — |
| Factory Lead Time | — | — | — | — | — | — | 1 Week | 1 Week |
| Body Breadth | — | — | — | — | — | — | 0.125 inch | 0.1 inch |
| Body Depth | — | — | — | — | — | — | 0.32 inch | 0.29 inch |
| Body Length | — | — | — | — | — | — | 0.3 inch | 0.3 inch |
| Body/Shell Style | — | — | — | — | — | — | SOCKET | SOCKET |
| Connector Type | — | — | — | — | — | — | BOARD CONNECTOR | BOARD CONNECTOR |
| Contact Finish Mating | — | — | — | — | — | — | GOLD (10) | GOLD (10) |
| Contact Finish Termination | — | — | — | — | — | — | Tin (Sn) - with Nickel (Ni) barrier | Tin (Sn) - with Nickel (Ni) barrier |
| Contact Gender | — | — | — | — | — | — | FEMALE | FEMALE |
| Contact Material | — | — | — | — | — | — | PHOSPHOR BRONZE | PHOSPHOR BRONZE |
| Contact Pattern | — | — | — | — | — | — | RECTANGULAR | RECTANGULAR |
| Contact Resistance | — | — | — | — | — | — | 10 mΩ | 10 mΩ |
| Contact Style | — | — | — | — | — | — | SQ PIN-SKT | SQ PIN-SKT |
| DIN Conformance | — | — | — | — | — | — | NO | NO |
| Dielectric Withstanding Voltage | — | — | — | — | — | — | 1000VAC V | — |
| Filter Feature | — | — | — | — | — | — | NO | NO |
| IEC Conformance | — | — | — | — | — | — | NO | NO |
| Insertion Force-Max | — | — | — | — | — | — | 1.39 N | 1.39 N |
| Insulation Resistance | — | — | — | — | — | — | 5000000000 Ω | — |
| Insulator Color | — | — | — | — | — | — | BLACK | BLACK |
| Insulator Material | — | — | — | — | — | — | LIQUID CRYSTAL POLYMER | LIQUID CRYSTAL POLYMER |
| MIL Conformance | — | — | — | — | — | — | NO | NO |
| Mating Contact Pitch | — | — | — | — | — | — | 0.1 inch | 0.1 inch |
| Mating Information | — | — | — | — | — | — | MULTIPLE MATING PARTS AVAILABLE | MULTIPLE MATING PARTS AVAILABLE |
| Mixed Contacts | — | — | — | — | — | — | NO | NO |
| Mounting Style | — | — | — | — | — | — | RIGHT ANGLE | STRAIGHT |
| Mounting Type | — | — | — | — | — | — | BOARD | BOARD |
| Number Of Connectors | — | — | — | — | — | — | ONE | ONE |
| Number Of PCB Rows | — | — | — | — | — | — | 2 | 2 |
| Number of Rows Loaded | — | — | — | — | — | — | 1 | 1 |
| Option | — | — | — | — | — | — | GENERAL PURPOSE | GENERAL PURPOSE |
| PCB Contact Pattern | — | — | — | — | — | — | RECTANGULAR | STAGGERED |
| PCB Contact Row Spacing | — | — | — | — | — | — | 9.398 mm | 3.556 mm |
| Plating Thickness | — | — | — | — | — | — | 10u inch | 10u inch |
| Rated Current (Signal) | — | — | — | — | — | — | 1 A | 5.2 A |
| Reference Standard | — | — | — | — | — | — | UL | UL, CSA |
| Termination Type | — | — | — | — | — | — | SURFACE MOUNT | SURFACE MOUNT |
| Total Number of Contacts | — | — | — | — | — | — | 3 | 3 |
| UL Flammability Code | — | — | — | — | — | — | 94V-0 | 94V-0 |
| Withdrawl Force-Min | — | — | — | — | — | — | .556 N | — |
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 7 alternatives for LM43603PWPT — response within 24 hours.
Quick Links
Switching Regulator, Current-mode, 3A, 2200kHz Switching Freq-Max, BICMOS, PDSO16
Switching Regulator, Current-mode, 3A, 2200kHz Switching Freq-Max, PDSO16
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Why Look for Alternatives?
Finding alternatives for LM43603PWPT 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 LM43603PWPT 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 LM43603PWPT?
Known equivalents for LM43603PWPT include LM43603AQPWPRQ1, LM43603PWPR, TPS54202HDDCR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM43603PWPT?
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 LM43603PWPT 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.