LM53603AQPWPTQ1Alternatives & Equivalent Parts
About LM53603AQPWPTQ1
LM53603AQPWPTQ1 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.
Specification Comparison
| Parameter | LM53603AQPWPTQ1Source | LM5165YDRCT | LM536033QPWPTQ1 | STC3100IST | STM32L041F6P7 | TCA8418RTWR |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | STMicroelectronics | STMicroelectronics | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline No-lead | — | Small Outline Packages | Small Outline Packages | Quad Flat No-Lead |
| Pin Count | 17 | 11 | — | 8 | 20 | 24 |
| Temperature Range | -40.0°C ~ 150.0°C | -40.0°C ~ 150.0°C | — | -40.0°C ~ 85.0°C | -40.0°C ~ 105.0°C | -40.0°C ~ 85.0°C |
| Price | $3.9690 | $2.1250 | $3.9690 | — | — | $0.5363 |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | Yes | — | — | — | Yes |
| YTEOL | 15 | 15 | — | 6 | 9 | 15 |
| Additional Feature | ALSO OPTS IN PFM CONTROL TECH, ALSO AVLB VOUT = 5V, ALSO OPTS IN ADJ MODE FROM 3.3 TO 6V | ALSO OPERATES IN PFM CONTROL TECHNIQUE | — | — | — | — |
| Analog IC - Other Type | SWITCHING REGULATOR | SWITCHING REGULATOR | — | BATTERY GAUGE | — | — |
| Control Mode | CURRENT-MODE | — | — | — | — | — |
| Control Technique | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | — | — | — | — |
| Input Voltage-Max | 42 V | 65 V | — | — | — | — |
| Input Voltage-Min | 3.5 V | 3 V | — | — | — | — |
| Input Voltage-Nom | 13.5 V | 12 V | — | — | — | — |
| JESD-30 Code | R-PDSO-G16 | S-PDSO-N10 | — | S-PDSO-G8 | R-PDSO-G20 | S-PQCC-N24 |
| JESD-609 Code | e4 | e4 | — | e4 | e4 | e4 |
| Number of Functions | 1 | 1 | — | 1 | — | — |
| Number of Outputs | 1 | 1 | — | — | — | — |
| Output Current-Max | 3 A | 0.15 A | — | — | — | — |
| Output Voltage-Max | 9.9 V | 65 V | — | — | — | — |
| Output Voltage-Min | 3.2 V | 1.23 V | — | — | — | — |
| Output Voltage-Nom | 3.3 V | 3.3 V | — | — | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP16,.25 | — | — | TSSOP8,.19 | TSSOP20,.25 | LCC24,.16SQ,20 |
| Package Shape | RECTANGULAR | SQUARE | — | SQUARE | RECTANGULAR | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | — | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | 260 | 260 | 260 |
| Qualification Status | Not Qualified | — | — | Not Qualified | — | — |
| Screening Level | AEC-Q100 | — | — | — | — | — |
| Surface Mount | YES | YES | — | YES | YES | YES |
| Switcher Configuration | BUCK | BUCK | — | — | — | — |
| Switching Frequency-Max | 2350 kHz | 600 kHz | — | — | — | — |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | — | INDUSTRIAL | INDUSTRIAL | — |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | NO LEAD | — | GULL WING | GULL WING | NO LEAD |
| Terminal Pitch | 0.65 mm | 0.5 mm | — | 0.65 mm | 0.65 mm | 0.5 mm |
| Terminal Position | DUAL | DUAL | — | DUAL | DUAL | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | — | 30 | — | 30 |
| Date Of Intro | — | 2016-03-11 | — | — | 2016-04-12 | — |
| ## LM5165YDRCT Alternates Showing results | — | Image | — | — | — | — |
| Factory Lead Time | — | — | — | 12 Weeks | — | — |
| Adjustable Threshold | — | — | — | NO | — | — |
| Number of Channels | — | — | — | 1 | — | — |
| Supply Current-Max (Isup) | — | — | — | 0.1 mA | — | — |
| Supply Voltage-Max (Vsup) | — | — | — | 5.5 V | — | — |
| Supply Voltage-Min (Vsup) | — | — | — | 2.7 V | — | — |
| Supply Voltage-Nom (Vsup) | — | — | — | 3.6 V | — | — |
| ## STC3100IST Alternates Showing results | — | — | — | Image | — | — |
| Has ADC | — | — | — | — | YES | — |
| Bit Size | — | — | — | — | 32 | — |
| Boundary Scan | — | — | — | — | NO | — |
| CPU Family | — | — | — | — | Cortex-M0+ | — |
| Clock Frequency-Max | — | — | — | — | 25 MHz | — |
| DAC Channels | — | — | — | — | NO | — |
| DMA Channels | — | — | — | — | YES | — |
| Format | — | — | — | — | FIXED POINT | — |
| Integrated Cache | — | — | — | — | NO | — |
| Low Power Mode | — | — | — | — | YES | — |
| Number of DMA Channels | — | — | — | — | 7 | — |
| Number of External Interrupts | — | — | — | — | 26 | — |
| Number of I/O Lines | — | — | — | — | 15 | — |
| Number of Serial I/Os | — | — | — | — | 2 | — |
| Number of Timers | — | — | — | — | 8 | — |
| On Chip Data RAM Width | — | — | — | — | 8 | — |
| On Chip Program ROM Width | — | — | — | — | 8 | — |
| PWM Channels | — | — | — | — | YES | — |
| RAM (bytes) | — | — | — | — | 8192 | — |
| ROM (words) | — | — | — | — | 32768 | — |
| ROM Programmability | — | — | — | — | FLASH | — |
| Speed | — | — | — | — | 32 MHz | — |
| Supply Current-Max | — | — | — | — | 5.7 mA | — |
| Supply Voltage-Max | — | — | — | — | 3.6 V | 3.6 V |
| Supply Voltage-Min | — | — | — | — | 3 V | 1.65 V |
| Supply Voltage-Nom | — | — | — | — | 3 V | — |
| Technology | — | — | — | — | CMOS | CMOS |
| uPs/uCs/Peripheral ICs Type | — | — | — | — | MICROCONTROLLER, RISC | MICROPROCESSOR CIRCUIT |
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 LM53603AQPWPTQ1 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.
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What is equivalent to LM53603AQPWPTQ1?
Known equivalents for LM53603AQPWPTQ1 include LM5165YDRCT, LM536033QPWPTQ1, STC3100IST. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM53603AQPWPTQ1?
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 LM53603AQPWPTQ1 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.