REG1117-3.3/2K5Alternatives & Equivalent Parts
About REG1117-3.3/2K5
REG1117-3.3/2K5 is a power-management component manufactured by Texas Instruments. It comes in a SOT-223 package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | REG1117-3.3/2K5Source | REG1117-3.3/2K5G4 | BQ25505RGRR | CSD75208W1015 |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | SOT-223 | SOT223 (3-Pin) | Quad Flat No-Lead | BGA |
| Pin Count | 4 | 4 | 21 | 6 |
| Temperature Range | 0.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -55.0°C ~ 150.0°C |
| Price | $0.5670 | $0.6210 | $1.6960 | $0.0708 |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | Yes | Yes |
| YTEOL | 15 | 15 | 15 | 15 |
| Adjustability | FIXED | FIXED | — | — |
| Dropout Voltage1-Max | 1.2 V | 1.2 V | — | — |
| Dropout Voltage1-Nom | 1.1 V | 1.1 V | — | — |
| Input Voltage Absolute-Max | 15 V | 15 V | — | — |
| Input Voltage-Max | 15 V | 15 V | 5.1 V | — |
| Input Voltage-Min | 4.8 V | 4.8 V | 0.6 V | — |
| JESD-30 Code | R-PDSO-G4 | R-PDSO-G4 | S-PQCC-N20 | R-PBGA-B6 |
| JESD-609 Code | e4 | e4 | e4 | e1 |
| Line Regulation-Max | 0.007% | 0.007% | — | — |
| Load Regulation-Max | 0.012% | 0.012% | — | — |
| Number of Functions | 1 | 1 | 1 | — |
| Number of Outputs | 1 | 1 | — | — |
| Operating Temperature TJ-Max | 125 °C | 125 °C | — | — |
| Operating Temperature TJ-Min | -40 °C | -40 °C | — | — |
| Output Current1-Max | 0.8 A | 0.8 A | — | — |
| Output Voltage1-Max | 3.36 V | 3.36 V | — | — |
| Output Voltage1-Min | 3.24 V | 3.24 V | — | — |
| Output Voltage1-Nom | 3.3 V | 3.3 V | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOT-223 | SOT-223 | — | — |
| Package Shape | RECTANGULAR | RECTANGULAR | SQUARE | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE | GRID ARRAY |
| Packing Method | TR | TR | — | — |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | — | — |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — |
| Surface Mount | YES | YES | YES | YES |
| Technology | BIPOLAR | BIPOLAR | — | — |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Tin/Silver/Copper (Sn/Ag/Cu) |
| Terminal Form | GULL WING | GULL WING | NO LEAD | BALL |
| Terminal Pitch | 2.3 mm | 2.3 mm | 0.5 mm | — |
| Terminal Position | DUAL | DUAL | QUAD | BOTTOM |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | 30 |
| Voltage Tolerance-Max | 1.8% | 1.8% | — | — |
| ## REG1117-3.3/2K5 Alternates Showing results | Image | — | — | — |
| Adjustable Threshold | — | — | YES | — |
| Analog IC - Other Type | — | — | BATTERY MONITOR/PROTECTOR | — |
| Control Technique | — | — | PULSE FREQUENCY MODULATION | — |
| Number of Channels | — | — | 1 | — |
| Supply Voltage-Max (Vsup) | — | — | 5.1 V | — |
| Supply Voltage-Min (Vsup) | — | — | 0.6 V | — |
| Switcher Configuration | — | — | BOOST | — |
| Switching Frequency-Max | — | — | 1000 kHz | — |
| Temperature Grade | — | — | AUTOMOTIVE | — |
| ## BQ25505RGRR Alternates Showing results | — | — | Image | — |
| Configuration | — | — | — | COMMON SOURCE, 2 ELEMENTS WITH BUILT-IN DIODE AND RESISTOR |
| DS Breakdown Voltage-Min | — | — | — | 20 V |
| Drain Current-Max (ID) | — | — | — | -1.6 A |
| Drain-source On Resistance-Max | — | — | — | 0.15 Ω |
| FET Technology | — | — | — | METAL-OXIDE SEMICONDUCTOR |
| Feedback Cap-Max (Crss) | — | — | — | 10 pF |
| Number of Elements | — | — | — | 2 |
| Operating Mode | — | — | — | ENHANCEMENT MODE |
| Polarity/Channel Type | — | — | — | P-CHANNEL |
| Power Dissipation Ambient-Max | — | — | — | 0.75 W |
| Power Dissipation-Max (Abs) | — | — | — | 0.75 W |
| Transistor Application | — | — | — | SWITCHING |
| Transistor Element Material | — | — | — | SILICON |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Regulator, 3.3V, 1.2V Dropout, BIPolar, PDSO4
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Why Look for Alternatives?
Finding alternatives for REG1117-3.3/2K5 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 REG1117-3.3/2K5 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 REG1117-3.3/2K5FAQ
What is equivalent to REG1117-3.3/2K5?
Known equivalents for REG1117-3.3/2K5 include REG1117-3.3/2K5G4, BQ25505RGRR, CSD75208W1015. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of REG1117-3.3/2K5?
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 REG1117-3.3/2K5 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.