My Inquiry
My Account
Texas Instruments LM22675MRE-5.0/NOPB
- Part No.:
- LM22675MRE-5.0/NOPB
- Manufacturer:
- Texas Instruments
- Package:
- 8-PowerSOIC (0.154", 3.90mm Width)
- Datasheet:
-
LM22675MRE-5.0/NOPB.pdf
- Description:
- IC REG BUCK 5V 1A 8SOPWR
- Quantity:
- Payment:
- Shipping:
Inventory:798
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
LM22675MRE-5.0/NOPB from Texas Instruments is a 42 V, 1 A synchronous step-down DC/DC regulator in an HSOP-8 PowerPAD package, featuring fixed 5.0 V output, 500 kHz switching frequency, ±1.5% feedback reference accuracy, and integrated bootstrap diode. It delivers high efficiency (>90%) in industrial power rails converting 12 V or 24 V input to stable 5 V for microcontroller cores and I/O.
For engineers reviewing the LM22675MRE-5.0/NOPB datasheet, LM22675MRE-5.0/NOPB pinout, LM22675MRE-5.0/NOPB application, or LM22675MRE-5.0/NOPB equivalent, key selection criteria include input voltage range (4.5–42 V), thermal performance with exposed pad, precision enable threshold (1.6 V typ), and compatibility with low-ESR ceramic output capacitors without external compensation.
Technical Context
The LM22675MRE-5.0/NOPB implements voltage-mode PWM control with input voltage feedforward to stabilize loop gain across wide VIN variations. Its internal Type III compensation is optimized for fixed 5 V output, eliminating need for external compensation components.
It integrates a 200 mΩ N-channel MOSFET switch, bootstrap capacitor charging circuitry with minimum off-time enforcement (100 ns), and precision enable with 0.6 V hysteresis. Thermal shutdown activates at 150°C with 135°C hysteresis, and current limiting protects against overloads up to 1.5 A (typ).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.5 V to 42 V - supports direct connection to 12 V, 24 V, and 36 V industrial rails without pre-regulation |
| Output Voltage | Fixed 5.0 V ±1.5% - eliminates external feedback divider; enables plug-and-play 5 V rail generation |
| Switching Frequency | 500 kHz ±20% - allows compact 2.2 µH inductors and <10 µF ceramic output capacitance |
| Max Output Current | 1 A continuous - sufficient for MCU, FPGA I/O banks, and sensor interfaces in embedded systems |
| RDS(ON) | 200 mΩ (typ) - reduces conduction loss and thermal rise at full load under 12 V input |
| Quiescent Current | 3.4 mA (typ) - enables low-power operation in active standby modes |
| Standby Current | 25 µA (typ) - supports ultra-low-power shutdown in battery-backed applications |
| Junction Temp Range | –40°C to +125°C - qualified for industrial and automotive under-hood environments |
Pinout & Package
LM22675MRE-5.0/NOPB uses the HSOP-8 PowerPAD (DDA) package: 4.89 mm × 3.90 mm body with thermally enhanced exposed pad soldered to PCB ground plane for optimal thermal dissipation (RθJA = 60°C/W with 1 in² copper).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| BOOT | Bootstrap supply input | Connects external 10 nF ceramic capacitor to SW; supplies gate drive for internal high-side MOSFET |
| EN | Enable control input | Logic-level input with 1.6 V threshold and 0.6 V hysteresis; pulls up internally at 6 µA |
| SW | Switch node output | Drives external inductor; swings from GND to VIN; requires Schottky catch diode or synchronous rectifier |
| FB | Feedback reference | Internally connected to 5 V output divider; shorted to VOUT - no external resistors required |
| GND | Power and signal ground | Primary return path for power stage and control circuitry; must be tied to exposed pad |
| VIN | Main input supply | Accepts 4.5–42 V; bypassed with ≥10 µF ceramic capacitor close to pin |
| NC | No connect | Pins 2 and 3 are unconnected die pads - serve only as thermal conduction paths |
| EP | Exposed thermal pad | Must be soldered to solid GND copper area; critical for thermal performance and reliability |
Key Features
| Feature | Design Value |
|---|---|
| Integrated bootstrap diode | Eliminates external bootstrap diode; reduces BOM count and layout complexity for high-side gate drive |
| Internal soft-start | 500 µs fixed ramp time - prevents inrush current and output overshoot during power-up |
| Stable with ceramic caps | Supports low-ESR X5R/X7R ceramics down to 4.7 µF - avoids costly tantalum or electrolytic capacitors |
| WEBENCH® enabled | Full design support via TI's online tool including component selection, simulation, and thermal modeling |
| Thermal shutdown + current limit | 150°C trip point with 15°C hysteresis and 1.5 A peak current limit - protects IC and system during fault conditions |
| Precision enable input | 1.6 V threshold with 0.6 V hysteresis - enables reliable sequencing with resistor dividers from other rails |
Applications
| Industrial PLC I/O Module | Telecom Line Card Power |
|---|---|
Use Scenario: Powering isolated digital I/O channels and analog front-end circuitry in programmable logic controllers operating from 24 V DC bus. IC Role / Device Role / Timing Role: Primary 5 V buck regulator supplying MCU, CAN transceivers, and optocoupler drivers. Use Value: Delivers stable 5 V at 1 A with <1% line/load regulation across 18–32 V input variation and –40°C to +85°C ambient. | Use Scenario: Generating local 5 V rail on telecom line cards fed from centralized –48 V or +24 V backplane. IC Role / Device Role / Timing Role: Point-of-load converter for Ethernet PHYs, SerDes, and management microcontrollers. Use Value: 500 kHz switching enables small magnetics; integrated soft-start prevents brownout during hot-swap insertion. |
| Automotive Body Control Module | Embedded Medical Sensor Hub |
Use Scenario: Providing regulated 5 V for microcontroller, LIN transceivers, and LED drivers in BCMs powered from 12 V battery (with cold-crank tolerance). IC Role / Device Role / Timing Role: Main system power regulator with enable controlled by vehicle ignition signal. Use Value: Operates down to 4.5 V input and survives load-dump transients up to 42 V; AEC-Q100 Grade 1 qualified variant available. | Use Scenario: Powering low-noise analog sensors, ADCs, and Bluetooth LE radios in portable diagnostic devices running from single-cell Li-ion. IC Role / Device Role / Timing Role: Efficient 5 V supply derived from 8.4 V nominal battery pack via buck conversion. Use Value: 25 µA shutdown current extends battery life; ±1.5% output accuracy ensures precise sensor biasing and reference stability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar step-down regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM22670MRE-5.0/NOPB | Same pinout, 150 kHz switching frequency, lower quiescent current (2.5 mA), higher RDS(ON) (300 mΩ) | Better light-load efficiency; larger inductors/caps required; less suitable for space-constrained designs | Select when EMI sensitivity favors lower frequency or thermal budget permits larger magnetics |
| TPS54302DDAR | 3.5–28 V input, 3 A output, 2.5 MHz switching, no integrated bootstrap diode, different pinout | Higher current capability and smaller footprint; requires external bootstrap diode and compensation network | Select when >1 A load or tighter board area constraints exist; not drop-in compatible |
Compared with LM22675MRE-5.0/NOPB, LM22670MRE-5.0/NOPB trades switching speed for improved light-load efficiency and relaxed thermal design, while TPS54302DDAR offers higher current and frequency at the cost of increased external component count and non-pin-compatible layout.
Availability
LM22675MRE-5.0/NOPB is available at Aetrix Electronics and suitable for industrial control, telecom power, and embedded medical systems requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for LM22675MRE-5.0/NOPB includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader delivering analog, embedded processing, and connectivity solutions for industrial, automotive, and consumer markets.
The LM22675MRE-5.0/NOPB belongs to TI's SIMPLE SWITCHER® family-designed for easy-to-deploy, high-reliability DC/DC conversion with minimal external components and robust thermal performance.
FAQ
What is the maximum input voltage rating for LM22675MRE-5.0/NOPB?
The absolute maximum input voltage for LM22675MRE-5.0/NOPB is 43 V, with recommended operation from 4.5 V to 42 V. This allows direct use with 24 V industrial buses and survival during 42 V load-dump transients common in automotive 12 V systems. Operation above 42 V risks exceeding safe junction temperature or violating absolute maximum ratings, even briefly.
Does LM22675MRE-5.0/NOPB require external compensation components?
No, LM22675MRE-5.0/NOPB features fully internal Type III loop compensation optimized for its fixed 5 V output configuration. No external compensation network is needed - only standard input/output capacitors, inductor, and catch diode are required. This simplifies design, reduces BOM count, and improves reliability versus adjustable regulators requiring manual compensation.
Can LM22675MRE-5.0/NOPB operate with ceramic output capacitors?
Yes, LM22675MRE-5.0/NOPB is explicitly designed to be stable with low-ESR ceramic capacitors - including X5R and X7R types - down to 4.7 µF. This eliminates need for bulkier, less reliable electrolytic or tantalum capacitors and supports compact, high-reliability layouts typical in industrial and medical applications.
What is the purpose of the exposed thermal pad (EP) on LM22675MRE-5.0/NOPB?
The exposed thermal pad (EP) on LM22675MRE-5.0/NOPB must be soldered to a dedicated GND copper pour to provide primary thermal conduction path from die to PCB. With proper 1 in² copper, it achieves RθJA = 60°C/W - essential for sustaining 1 A output at elevated ambient temperatures. Leaving EP unconnected causes excessive junction temperature rise and premature thermal shutdown.
Is LM22675MRE-5.0/NOPB pin-compatible with LM22675-ADJ variants?
Yes, LM22675MRE-5.0/NOPB shares identical HSOP-8 PowerPAD (DDA) pinout and package dimensions with LM22675-ADJ variants, including same BOOT, EN, SW, FB, GND, and VIN locations. However, internal feedback is fixed to 5 V, so FB must be connected directly to VOUT - unlike the ADJ version which requires an external resistor divider.
LM22675MRE-5.0/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- SIMPLE SWITCHER®
- Package/Case:
- 8-PowerSOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Step-Down
- Output Configuration:
- Positive
- Topology:
- Buck
- Output Type:
- Fixed
- Number of Outputs:
- 1
- Voltage - Input (Min):
- 4.5V
- Voltage - Input (Max):
- 42V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Current - Output:
- 1A
- Frequency - Switching:
- 500kHz
- Synchronous Rectifier:
- No
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SO PowerPad
LM22675MRE-5.0/NOPB FAQ
1.How can I place an order for LM22675MRE-5.0/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LM22675MRE-5.0/NOPB on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LM22675MRE-5.0/NOPB reliable?
The price and inventory of LM22675MRE-5.0/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM22675MRE-5.0/NOPB is usually 5 days.
3.What payment methods are accepted for LM22675MRE-5.0/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM22675MRE-5.0/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM22675MRE-5.0/NOPB?
LM22675MRE-5.0/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM22675MRE-5.0/NOPB order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LM22675MRE-5.0/NOPB?
For technical support, including LM22675MRE-5.0/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM22675MRE-5.0/NOPB requirements.
6.How does Aetrix verify that LM22675MRE-5.0/NOPB is sourced from the original manufacturer or authorized distributors?
All LM22675MRE-5.0/NOPB products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LM22675MRE-5.0/NOPB meets industry standards.
7.What is the process for return or replacement of LM22675MRE-5.0/NOPB?
All LM22675MRE-5.0/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LM22675MRE-5.0/NOPB, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LM22675MRE-5.0/NOPB part is unused and in its original packaging.
Return procedure for LM22675MRE-5.0/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LM22675MRE-5.0/NOPB Tags
-
TPS562201DDCR
Texas Instruments
-
MC34063ABD-TR
STMicroelectronics
-
TPS561201DDCR
Texas Instruments
-
MC33063ADR
Texas Instruments
-
MC34063ADR
Texas Instruments
-
TPS560200DBVR
Texas Instruments
-
AP3012KTR-G1
Diodes Incorporated
-
TLV61048DBVR
Texas Instruments
-
AZ34063UMTR-G1
Diodes Incorporated
-
TPS562200DDCR
Texas Instruments
-
AP62300TWU-7
Diodes Incorporated
-
MC34063EBD-TR
STMicroelectronics
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
