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Analog Devices Inc. LT3507IUHF#TRPBF
- Part No.:
- LT3507IUHF#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Voltage Regulators - Linear + Switching
- Package:
- 38-WFQFN Exposed Pad
- Datasheet:
-
LT3507IUHF#TRPBF.pdf
- Description:
- IC REG QD BUCK/LINEAR 38QFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,444
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Product details
Overview
LT3507IUHF#TRPBF from Analog Devices is a triple monolithic step-down switching regulator designed to generate multiple system rails from high-voltage inputs in compact embedded designs.
As a triple monolithic step-down switching regulator solution, LT3507IUHF#TRPBF supports three integrated buck regulator channels, high-voltage input operation, synchronization, enable control, soft-start behavior, and protection features. For engineers reviewing the LT3507IUHF#TRPBF datasheet, LT3507IUHF#TRPBF pinout, LT3507IUHF#TRPBF application, or LT3507IUHF#TRPBF equivalent, this device is suitable for industrial power supplies, automotive-style systems, distributed rails, communication equipment, and embedded controllers.
Technical Context
In embedded electronic systems, LT3507IUHF#TRPBF typically operates as a multi-output buck regulator that generates several local rails from a higher-voltage system supply.
The device architecture helps engineers manage power conversion efficiency, thermal performance, rail sequencing, output accuracy, and board-level reliability. PCB designers should verify input range, load-current budget, output-voltage configuration, thermal behavior, and layout guidance directly against the datasheet before production release.
LT3507IUHF#TRPBF is commonly used in industrial controllers, automotive-style electronics, networking equipment, field instruments, and distributed embedded power systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Device Type | Triple monolithic step-down switching regulator |
| Input / Supply Range | High-voltage input operation; verify exact maximum input rating and suffix-specific limits in the datasheet. |
| Regulator Outputs | Three integrated step-down regulator outputs for system, processor, and auxiliary rails. |
| Switching / Control Behavior | Monolithic buck channels support compact multi-output power conversion. |
| Control and Monitoring | Enable, status, feedback, and monitoring functions support system-level power management. |
| Protection Features | Protection functions may include undervoltage lockout, current limiting, thermal shutdown, short-circuit protection, or fault reporting. |
| Package | QFN or TSSOP package depending on suffix and grade. |
| Operating Environment | Verify suffix-specific operating temperature range in the datasheet. |
Pinout & Package
The LT3507IUHF#TRPBF pinout is optimized for compact power conversion, regulator feedback, enable control, status monitoring, and thermal grounding.
For PCB design, important practices include placing input/output capacitors close to the IC, using short high-current loops, routing feedback away from switching nodes, and connecting exposed pads to solid copper.
| Pin / Function | PCB Design and Circuit Role |
|---|---|
| VIN / Supply Pins | Input supply connections supporting regulator power and internal control circuitry. |
| Switching Nodes | High-frequency switching connections that should use compact power-loop routing. |
| Output Pins | Regulated output connections supplying downstream processor, memory, analog, or system rails. |
| Feedback / Sense Pins | Regulation feedback or sense nodes requiring quiet routing away from switching noise. |
| Enable / Control Pins | Logic inputs supporting power sequencing, shutdown, mode control, or system management. |
| Power-Good / Reset / Status Pins | Monitoring outputs or status pins used for processor supervision and fault handling. |
| GND / Exposed Pad | Ground and thermal return path requiring low-impedance PCB copper connection. |
Key Features
- Three monolithic buck regulator channels in one IC.
- High input-voltage capability supports industrial and automotive-style rails.
- Synchronization and enable functions support controlled power systems.
- Integrated protection functions support robust operation.
- Integrated protection and monitoring features support reliable embedded power operation.
- Surface-mount package supports compact industrial, consumer, or communication-system PCB layouts.
Applications
| Processor and Digital Systems | Industrial Embedded Electronics |
|---|---|
|
Use Scenario: Used in processor, ASIC, FPGA, DSP, or embedded controller platforms. IC Role: Provides regulated rails, sequencing, bias, or supervisory power functions. Use Value: Helps reduce discrete regulator count and simplify compact power-tree design. |
Use Scenario: Used in automation modules, gateways, control boards, measurement systems, and industrial communication devices. IC Role: Supplies stable power to digital, analog, memory, or peripheral subsystems. Use Value: Improves power integration, reliability, and repeatable production layout. |
| Portable and Consumer Products | Communication and Automotive-Style Platforms |
|
Use Scenario: Used in battery-powered electronics, handheld instruments, smart devices, and compact modules. IC Role: Manages efficient voltage conversion and low-power rail operation. Use Value: Supports smaller PCB area, better efficiency, and improved thermal behavior. |
Use Scenario: Used in networking modules, infotainment, automotive-style controllers, or connected edge devices. IC Role: Provides robust conversion, monitoring, and system power management. Use Value: Supports reliable operation across demanding supply and load conditions. |
Equivalent & Alternatives
When evaluating a LT3507IUHF#TRPBF equivalent, engineers should compare regulator topology, number of outputs, output-current capability, output-voltage options, package footprint, thermal behavior, control interface, protection features, and long-term sourcing requirements.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LT3507A | Related LT3507 variant with option-specific behavior and suffix-dependent package or grade. | Used when the A-version performance or orderable option is required. | Choose based on datasheet revision, channel requirements, and package/temperature grade. |
| LT3645 | Dual-output regulator family with different channel structure and system integration. | Used when fewer rails or a different output arrangement is needed. | Choose LT3507 variants when three integrated buck channels are required. |
Compared with LT3507A, LT3507IUHF#TRPBF is optimized for the exact suffix, package, or configuration required by the target power tree. LT3507IUHF#TRPBF vs LT3645 selection depends on integration level, rail count, output-current budget, noise target, thermal design, and PCB area.
Quality
LT3507IUHF#TRPBF should be sourced as original Analog Devices components through traceable and controlled supply channels. Quality verification procedures may include package inspection, top-mark validation, solderability testing, moisture-sensitivity handling review, electrical output verification, and functional testing on the target PCB.
Because the device is used in power-management applications, production validation should include startup behavior, output accuracy, load-transient response, thermal performance, protection behavior, and layout-sensitive noise or ripple checks. Traceable sourcing helps maintain reliable long-term operation and reduce counterfeit supply-chain risk.
Availability
LT3507IUHF#TRPBF available at Aetrix Electronics and is suitable for embedded and industrial power-management platforms requiring stable component availability and repeatable production support.
Supply support may include volume procurement planning, scheduled delivery arrangements, traceable sourcing management, and long-term supply support for OEM, industrial electronics manufacturers, communication-system developers, automotive electronics programs, and embedded product production.
For production builds, confirming package type, output-voltage option, load-current requirements, temperature grade, lead time, lifecycle status, and sourcing continuity helps reduce procurement risk and improve manufacturing stability.
Manufacturer
Analog Devices is a global semiconductor manufacturer specializing in analog ICs, power management, mixed-signal products, data converters, RF solutions, sensors, and embedded signal-chain technologies for industrial, communication, automotive, healthcare, and consumer applications.
For embedded power systems, Analog Devices provides PMICs, DC-DC converters, LDO regulators, supervisors, sequencers, bias generators, and reference designs that support efficient, compact, and low-noise power architectures.
FAQ
What is LT3507IUHF#TRPBF used for?
LT3507IUHF#TRPBF is used for regulated power conversion, rail generation, bias supply, sequencing, and embedded power management.
Where can I find the LT3507IUHF#TRPBF datasheet download?
The LT3507IUHF#TRPBF datasheet download is available from Analog Devices. The datasheet includes electrical specifications, package details, application information, operating limits, and PCB design guidance.
What should be considered in LT3507IUHF#TRPBF pinout design?
LT3507IUHF#TRPBF pinout design should prioritize short power loops, correct capacitor placement, exposed-pad grounding, feedback routing, enable sequencing, and thermal design.
What are common LT3507IUHF#TRPBF equivalent solutions?
Common LT3507IUHF#TRPBF equivalent alternatives include LT3507A and LT3645, depending on rail count, current requirements, package, control functions, and sourcing objectives.
Is LT3507IUHF#TRPBF suitable for production power designs?
Yes. LT3507IUHF#TRPBF can be used in production power systems when the datasheet limits, thermal design, component selection, layout requirements, and sourcing traceability are verified for the target application.
LT3507IUHF#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 38-WFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Topology:
- Step-Down (Buck) (1), Linear (LDO) (1)
- Number of Outputs:
- 4
- Frequency - Switching:
- 900kHz ~ 1.1MHz
- Voltage/Current - Output 1:
- 0.8V ~ 32.4V, 2.4A
- Voltage/Current - Output 2:
- 0.8V ~ 32.4V, 1.5A
- Voltage/Current - Output 3:
- 0.8V ~ 32.4V, 1.5A
- w/LED Driver:
- No
- w/Supervisor:
- No
- w/Sequencer:
- Yes
- Voltage - Supply:
- 4V ~ 36V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 38-QFN (5x7)
LT3507IUHF#TRPBF FAQ
1.How can I place an order for LT3507IUHF#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT3507IUHF#TRPBF 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 LT3507IUHF#TRPBF reliable?
The price and inventory of LT3507IUHF#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT3507IUHF#TRPBF is usually 5 days.
3.What payment methods are accepted for LT3507IUHF#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT3507IUHF#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT3507IUHF#TRPBF?
LT3507IUHF#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT3507IUHF#TRPBF 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 LT3507IUHF#TRPBF?
For technical support, including LT3507IUHF#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT3507IUHF#TRPBF requirements.
6.How does Aetrix verify that LT3507IUHF#TRPBF is sourced from the original manufacturer or authorized distributors?
All LT3507IUHF#TRPBF 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 LT3507IUHF#TRPBF meets industry standards.
7.What is the process for return or replacement of LT3507IUHF#TRPBF?
All LT3507IUHF#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LT3507IUHF#TRPBF, 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 LT3507IUHF#TRPBF part is unused and in its original packaging.
Return procedure for LT3507IUHF#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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