Alternatives to Texas Instruments LM1117IMPX-3.3/NOPB
Texas Instruments LM1117IMPX-3.3/NOPB and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 LM1117IMPX-3.3/NOPBTexas Instruments |  LM1117IMP-3.3/NOPBTexas Instruments | TLV1117-33IDCYRTexas Instruments | +4more | |
|---|---|---|---|---|
| FFF Compatibility | Matches the SOT-223 package and pinout assignments exactly (Pin 1: ADJ/GND, Pin 2: VOUT, Pin 3: VIN, Pin 4/Tab: VOUT).Identical package footprint and physical dimensions.Identical electrical specifications, 800mA current limit, and thermal ratings. | Matches the SOT-223-4 footprint and pinout exactly.Same physical SOT-223 package dimensions.Meets the exact electrical specifications, voltage output, and operating temperature range. | ||
 AI Summary | LM1117IMPX-3.3/NOPB by Texas Instruments: Linear Voltage Regulator IC Positive Fixed 1 Output 800mA SOT-223-4. | This is an exact sibling part from Texas Instruments that is identical in both electrical specifications and physical packaging, differing only in the tape-and-reel quantity (1000 pieces per reel instead of 2000).
| An active, industrial-grade sibling from Texas Instruments that is a direct drop-in replacement, matching the full industrial temperature range and 800mA current capability.
| |
| Lifecycle Status | Active | Active | Active | |
| Market Availability | In stock | In stock | In stock | |
| REACH | REACH | REACH | REACH | |
| RoHS | RoHS | RoHS | RoHS | |
| Description | Linear Voltage Regulator IC Positive Fixed 1 Output 800mA SOT-223-4 | Linear Voltage Regulator IC Positive Fixed 1 Output 800mA SOT-223 | Linear Voltage Regulator IC Positive Fixed 1 Output 800mA SOT-223-4 | |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | |
| Type | Power Management (PMIC) | Power Management (PMIC) | Power Management (PMIC) | |
| Datasheet | Open | Open | Open | |
| Lead Time | 16 weeks | 26 weeks | 16 weeks | |
| Country of Origin | MY | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | 8542.39.0090 | - | - | |
| Moisture Sensitivity Level | 1 (Unlimited) | - | - | |
| PSRR | 60.0dB | - | - | |
| Output Type | Fixed | - | - | |
| Mounting Type | Surface Mount | - | - | |
| Package / Case | SOT-223 (DCY), 4-Pin | - | - | |
| Control Features | Current Limiting, Thermal Shutdown | - | - | |
| Current - Output | 800.0mA | - | - | |
| Protection Features | Current Limiting, Thermal Protection, Internal Diode Protection | - | - | |
| Number of Regulators | 1.0 | - | - |
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Frequently asked questions
Yes. The Texas Instruments LM1117IMPX-3.3/NOPB is active and in production. The parts listed here are qualified equivalents if you need a second source or better availability.
The closest qualified second sources for the Texas Instruments LM1117IMPX-3.3/NOPB are the LM1117IMP-3.3/NOPB (Texas Instruments) and the TLV1117-33IDCYR (Texas Instruments), out of 6 matched alternatives in total. Each is compared against the original on fit, form and function in the table above.
Not always. The alternatives to the LM1117IMPX-3.3/NOPB are matched on function but can differ in package, pinout or a key parameter, so review the fit/form/function notes in the table and the datasheet before designing one in.
The LM1117IMPX-3.3/NOPB (Texas Instruments) is a part in the Power Management (PMIC) category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
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