TPS73733DCQG4 Texas Instruments Integrated Circuit (SOT223 (5-Pin)) In Stock
TPS73733DCQG4 is a 3.3V fixed LDO linear regulator from Texas Instruments, featuring 500mA output current, ultra-low 130mV dropout voltage, and 6V maximum input. From $0.29, ideal for portable and battery-powered applications with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT223 (5-Pin)
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- TPS73733DCQG4 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.2866(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Fixed 3.3V output with ultra-low 130mV typical dropout voltage for high efficiency
- 500mA output current capability with 6V absolute maximum input voltage
- SOT-223 (5-pin) package for excellent thermal performance in compact designs
- Wide input voltage range: 3.8V to 5.5V operating, suited for USB and Li-ion powered systems
- Lead-free (Pb-free) construction compliant with JESD-609 e4 standard
Applications
The TPS73733DCQG4 is well-suited for portable consumer electronics, wearables, and IoT devices requiring a stable 3.3V rail from a USB or single-cell Li-ion source. Its ultra-low dropout and compact SOT-223 package make it ideal for space-constrained PCB designs in handheld instruments and wireless sensor nodes. It is also commonly used in microcontroller and FPGA power supply rails where low quiescent current and fast transient response are critical.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.5V |
| Dropout Voltage1-Nom | 0.13V |
| Input Voltage Absolute-Max | 6V |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 3.8V |
| JESD-30 Code | R-PDSO-G6 |
| JESD-609 Code | e4 |
| Line Regulation-Max | 0.00056% |
| Load Regulation-Max | 0.0659% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 1A |
| Output Voltage1-Max | 3.399V |
| Output Voltage1-Min | 3.201V |
| Output Voltage1-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOT-223-5 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TUBE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | BICMOS |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 3% |
| Package | SOT223 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TPS73733DCQG4:
Frequently Asked Questions
What is the output voltage and maximum output current of the TPS73733DCQG4?
The TPS73733DCQG4 provides a fixed 3.3V output with a maximum output current of 500mA. Its typical dropout voltage is only 130mV at full load, and the maximum input voltage is 5.5V (6V absolute maximum), making it highly efficient for battery-powered designs.
What applications is the TPS73733DCQG4 best suited for?
This LDO regulator is ideal for portable electronics, IoT devices, wearables, and MCU/FPGA power rails. Its ultra-low dropout voltage and compact SOT-223 package suit USB-powered and single-cell Li-ion applications where board space and battery life are critical.
What package does the TPS73733DCQG4 use, and are there compatible alternatives?
The TPS73733DCQG4 comes in a SOT-223 5-pin package, which offers superior heat dissipation compared to smaller SOT-23 packages. Compatible pin-compatible alternatives include other TPS737xx series devices or similar fixed 3.3V LDOs with SOT-223 footprints from Texas Instruments.
Is the TPS73733DCQG4 RoHS compliant?
Yes, the TPS73733DCQG4 is fully lead-free (Pb-free) and compliant with the JESD-609 e4 environmental standard, making it suitable for RoHS-compliant designs across consumer, industrial, and automotive-adjacent applications.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.6600 | $3.66 |
| 10+ | $2.4100 | $24.10 |
| 25+ | $2.2300 | $55.75 |
| 468+ | $0.9338 | $437.00 |
| 675+ | $0.2978 | $201.02 |
| 875+ | $0.2866 | $250.78 |
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