TPS75618KTTTG3 Texas Instruments Integrated Circuit (Other) In Stock
TPS75618KTTTG3 is a fixed 1.8V high-current LDO linear regulator from Texas Instruments delivering 5A output with 250mV typical dropout voltage and 2.8V to 5.5V input range. Supplied in a 5-pin SOT-223-like package on tape-and-reel for high-volume SMD assembly in DSP and FPGA core power supplies.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 4
- Lifecycle
- ACTIVE
- Datasheet
- TPS75618KTTTG3 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $6.2229(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- High 5A output current with only 250mV typical dropout voltage at full load, enabling efficient 1.8V regulation from 3.3V or 5V rails in processors and FPGAs
- Fixed 1.8V output eliminates external resistor dividers, simplifying PCB layout for digital core voltage rails in SoC, DSP, and networking applications
- RoHS-compliant (e3) tape-and-reel packaging supports automated surface-mount assembly in high-volume telecom, computing, and industrial designs
Applications
TPS75618KTTTG3 provides the high-current 1.8V core supply needed by FPGAs, DSPs, and application processors in telecom line cards, embedded computing modules, and networking equipment. Its 5A capability supports simultaneous powering of processor cores, DDR memory interfaces, and high-speed SerDes transceivers operating at 1.8V. The low dropout of 250mV at 5A also suits battery-powered portable instruments where a 3.3V lithium-ion output must efficiently regulate down to 1.8V with minimal power loss.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Adjustability | FIXED |
| Dropout Voltage1-Max | 0.5V |
| Dropout Voltage1-Nom | 0.25V |
| Input Voltage Absolute-Max | 6V |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 2.8V |
| JESD-30 Code | R-PSSO-G5 |
| JESD-609 Code | e3 |
| Line Regulation-Max | 0.00486% |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Operating Temperature TJ-Max | 125°C |
| Operating Temperature TJ-Min | -40 °C |
| Output Current1-Max | 5A |
| Output Voltage1-Max | 1.854V |
| Output Voltage1-Min | 1.746V |
| Output Voltage1-Nom | 1.8V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SMSIP5H,.6,67TB |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES |
| Technology | PMOS |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.7mm |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Voltage Tolerance-Max | 3% |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output current rating and dropout voltage of TPS75618KTTTG3 under full load?
TPS75618KTTTG3 delivers up to 5A continuous output current at a fixed 1.8V output. The typical dropout voltage is 250mV and the maximum is 500mV at 5A load. This means the input supply must be at least 2.3V typical or 2.3V to 2.8V to guarantee regulation, which is well within the operating range of a 3.3V system rail.
Can TPS75618KTTTG3 power FPGA core voltage rails requiring stable 1.8V at high current?
Yes. TPS75618KTTTG3 is rated for 5A continuous output at 1.8V, covering the core power demand of mid-range FPGAs such as Xilinx Spartan-7 or Intel MAX 10 families that draw 1A to 4A at their 1.8V or 1.5V core rails. Its fast transient response and fixed output eliminate external feedback networks, simplifying power sequencing design in FPGA development boards and production hardware.
What is the input voltage range for TPS75618KTTTG3 and is it compatible with 3.3V logic rails?
TPS75618KTTTG3 accepts input voltages from 2.8V minimum to 5.5V maximum, with an absolute maximum of 6V. This range makes it directly compatible with standard 3.3V and 5V power rails in digital systems. A 3.3V input provides 1.5V of headroom above the 1.8V output, exceeding the 250mV typical dropout, so stable 1.8V output at 5A is assured from a 3.3V supply.
How does the fixed 1.8V output of TPS75618KTTTG3 simplify board design compared to adjustable LDOs?
Fixed-output LDOs like TPS75618KTTTG3 eliminate the 2-resistor voltage divider feedback network required by adjustable regulators, reducing component count by 2 parts per rail and removing tolerance stack-up errors that can shift output voltage by ±1% to ±2%. For a 5A 1.8V rail, removing even small resistors also eliminates the parasitic inductance of through-hole resistors that can cause instability at high di/dt load transients.
Related Guides
EEEFK1E470P Selection Guide for 47 uF SMD Aluminum Electrolytic Capacitors
Selection guidance for EEEFK1E470P and nearby Panasonic FK or FT SMD aluminum electrolytic capacitors for power-rail bulk decoupling.
Jul 7, 2026
EEEFT1V101AP Design Guide for SMD Aluminum Electrolytic Bulk Decoupling
Design guidance for using EEEFT1V101AP as an SMD aluminum electrolytic bulk capacitor in power-rail decoupling and hold-up networks.
Jul 7, 2026
How to Choose a 3528 SMD Indicator LED for Blue Status Lighting: Selection Guide
A practical 3528 SMD indicator LED selection guide using 150141BS73100 and related Wurth 150141 variants for blue status lighting.
Jul 5, 2026
BAS70KFILM Design Guide for Low-Leakage Signal Clamping and RF Detector Inputs
Practical BAS70KFILM design guidance for signal clamps, RF detector inputs, leakage control, capacitance, layout, and sourcing alternatives.
Jul 5, 2026
Why Buy from FindMyChip
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+ | $10.0700 | $10.07 |
| 10+ | $7.8540 | $78.54 |
| 25+ | $7.2988 | $182.47 |
| 250+ | $6.3982 | $1599.54 |
| 350+ | $6.3088 | $2208.08 |
| 500+ | $6.2229 | $3111.45 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”