LM22677TJE-5.0/NOPB Texas Instruments Integrated Circuit (Other) In Stock
Texas Instruments LM22677TJE-5.0/NOPB is a voltage-mode PWM step-down regulator with 4.5 V to 42 V input range and fixed 5.0 V output in a 7-pin PSSO package. It delivers up to 5 A output current with internal power switch for simplified designs. Available in stock worldwide with competitive pricing.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LM22677TJE-5.0/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.4200(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM22677TJE-5.0/NOPB?
- Wide 4.5 V to 42 V input voltage range covers automotive, industrial 24 V, and telecom 48 V bus rails
- Fixed 5.0 V regulated output with internal power MOSFET switch eliminates external FET and reduces BOM count
- Voltage-mode PWM control with adjustable soft-start minimizes inrush current during power-up in sensitive systems
What is LM22677TJE-5.0/NOPB used for?
The LM22677TJE-5.0/NOPB is well-suited for industrial 24 V and automotive 12 V to 42 V step-down power supply designs that need a regulated 5.0 V rail. It powers microcontrollers, sensors, and communication interfaces in factory automation and telematics control units where wide input voltage transient tolerance is essential. The integrated power switch in the compact 7-pin PSSO package simplifies PCB layout compared to external FET designs.
What are the specifications of LM22677TJE-5.0/NOPB?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 42V |
| Input Voltage-Min | 4.5V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PSSO-G7 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 5A |
| Output Voltage-Max | 37V |
| Output Voltage-Min | 1.285V |
| Output Voltage-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 1000kHz |
| Technology | BICMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| ## LM22677TJE-5.0/NOPB Alternates Showing results | Image |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the LM22677TJE-5.0/NOPB datasheet?
LM22677TJE-5.0/NOPB Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM22677TJE-5.0/NOPB?
Compatible alternatives and drop-in replacements for LM22677TJE-5.0/NOPB:
suggested
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Frequently Asked Questions
What input voltage range does LM22677TJE-5.0/NOPB support for industrial power supply applications?
The LM22677TJE-5.0/NOPB operates from 4.5 V to 42 V input, covering standard industrial 24 V bus, automotive 12 V nominal with 40 V load-dump transient, and telecom 36 V to 48 V rails. The fixed 5.0 V output provides a stable logic supply across this full input range.
How does the integrated power switch in LM22677TJE-5.0/NOPB simplify the step-down regulator PCB design?
By integrating the power MOSFET switch internally, LM22677TJE-5.0/NOPB eliminates the need for an external transistor, gate driver, and associated passive components. This reduces the total PCB footprint to just the 7-pin PSSO package plus an external inductor of approximately 10 µH to 22 µH and two bulk capacitors.
What switching frequency does LM22677TJE-5.0/NOPB operate at and how does that influence inductor selection?
The LM22677TJE-5.0/NOPB operates at a fixed 500 kHz switching frequency, allowing use of a compact 10 µH to 22 µH inductor with saturation current above 5 A. At this frequency, a 10 µH inductor suffices for a 5 V output at 12 V input, keeping the total magnetic component height under 3 mm in industrial board designs.
When should LM22677TJE-5.0/NOPB be selected instead of an adjustable-output variant for a fixed 5 V rail?
LM22677TJE-5.0/NOPB is preferred when the 5.0 V output is fixed and design simplicity is a priority, as it removes two resistors and an external feedback divider. The factory-trimmed internal reference maintains ±1% output accuracy from -40°C to +125°C, which exceeds the ±2% typical accuracy of external resistor dividers in thermally stressed environments.
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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.
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| 1+ | $6.8400 | $6.84 |
| 2+ | $4.6000 | $9.20 |
| 5+ | $4.4460 | $22.23 |
| 6+ | $3.4500 | $20.70 |
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