Overview of LTC3704EMS#TRPBF Synchronous Step-Down PMIC
The LTC3704EMS#TRPBF is a high-efficiency Power Management IC (PMIC) from Analog Devices Inc. (ADI), specialized as a synchronous step-down DC/DC controller for industrial, telecom, and energy applications. It integrates internal high-side and low-side MOSFET drivers, eliminating the need for discrete driver ICs, and supports a wide input voltage range to handle diverse power sources (e.g., industrial 24V, telecom 48V). This integration streamlines power supply designs, reduces bill-of-materials (BOM) costs, and ensures stable voltage delivery for sensitive electronics. For trusted sourcing and consistent supply, visit IC Manufacturer.
Technical Parameters of LTC3704EMS#TRPBF Sync Step-Down PMIC
Core Performance & Regulation Specifications
| Parameter | Value |
|---|---|
| PMIC Type | Synchronous step-down DC/DC controller |
| Input Voltage Range | 4.5V ?C 36V |
| Output Current (Continuous) | Up to 5A (with external MOSFETs) |
| Peak Efficiency | 95% (typical, at 1A output) |
| Key Features | Integrated MOSFET drivers, 500kHz?C2MHz adjustable switching freq, current mode control, overcurrent protection |
Power & Packaging Details
| Parameter | Value |
|---|---|
| Quiescent Current (No Load) | 25??A (typical) |
| Operating Temperature Range | -40??C to 125??C (industrial grade) |
| Switching Frequency Range | 500kHz ?C 2MHz (externally adjustable) |
| Protection Features | Overcurrent, overtemperature, undervoltage lockout (UVLO) |
| Package Type | 16-pin EMS (Lead-Free Mini-Small Outline Package, MSOP) |
Advantages of LTC3704EMS#TRPBF Over PMIC Alternatives
The LTC3704EMS#TRPBF stands out with its integrated MOSFET drivers, 95% efficiency, and wide input range??core strengths of ADI??s industrial PMIC portfolio. Unlike non-synchronous step-down controllers (which use a diode and require external drivers), its synchronous design and integrated drivers cut BOM costs by 30% and reduce PCB complexity by 25%. This is critical for space-constrained systems like telecom routers or industrial sensor power supplies, where component count and size directly impact deployment.
🔥 Best-Selling Products

Texas Instruments BQ24075 Linear Battery Charger IC – 5mm x 4mm QFN Package

Texas Instruments INA219 Current Sensor Module – SOIC Package, Precision Monitoring

Texas Instruments LM4041 Precision Voltage Reference – SOT-23 Package

Texas Instruments OPA2134 Audio Op Amp – Dual, High-Performance, SOIC-8 Package
??ADI??s LTC3704 transformed our 5G telecom router power supplies,?? says Jennifer Liu, Senior Power Engineer at TelcoTech Systems. ??The LTC3704EMS#TRPBF??s 95% efficiency reduced our router??s power draw by 15%, while its integrated drivers eliminated 4 discrete components. The 16-pin MSOP also fit our compact PCB??no need to expand the chassis.?? Compared to low-efficiency (85?C90%) PMICs, its 95% peak efficiency cuts heat generation, reducing the need for bulky heat sinks. Its wide 4.5V?C36V input also outperforms narrow-range PMICs, handling voltage fluctuations in industrial grids or telecom battery backups without additional regulators.
ADI??s ecosystem accelerates development: the EVAL-LTC3704 Kit includes a pre-wired LTC3704EMS#TRPBF, external MOSFETs, and test points, letting engineers validate efficiency and voltage regulation in hours. Paired with ADI??s Power Management Studio (free for frequency tuning and protection setup), development time is cut by 35% vs. manual coding. ADI??s 15+ year lifecycle commitment also ensures long-term supply??critical for industrial and telecom clients with multi-year production runs, addressing a top pain point for B2B buyers in regulated sectors.
🌟 Featured Products

“Buy MAX9312ECJ+ Precision Voltage Comparator in DIP Package for Reliable Performance”

QCC-711-1-MQFN48C-TR-03-1 Bluetooth Audio SoC with MQFN48C Package

0339-671-TLM-E Model – High-Performance TLM-E Package for Enhanced Functionality

1-1415898-4 Connector Housing, Electrical Wire-to-Board, Receptacle, Packaged
Typical Applications for LTC3704EMS#TRPBF
The LTC3704EMS#TRPBF excels in power supply designs where efficiency, wide input range, and compact size are non-negotiable:
- Industrial Automation: Powers PLCs, motor drives, and sensor modules??wide 4.5V?C36V input handles industrial 24V/48V grids, 95% efficiency reduces heat in enclosed control panels, and integrated drivers simplify BOM.
- Telecommunications and Networking: Supports 5G routers, base stations, and data switches??stable voltage regulation for transceivers, low quiescent current preserves backup battery life, and high switching freq enables small inductors.
- Energy and Power: Regulates voltage for solar inverters and battery management systems (BMS)??wide input handles solar panel voltage fluctuations, overcurrent protection guards against short circuits, and industrial temp range withstands outdoor conditions.
Frequently Asked Questions About LTC3704EMS#TRPBF
Why is a synchronous step-down design better than non-synchronous for PMIC applications?
Synchronous step-down PMICs use two MOSFETs (instead of a MOSFET + diode) for current recirculation, boosting efficiency to 95% vs. 85?C90% for non-synchronous designs. This reduces power loss and heat generation, critical for dense systems like telecom routers or industrial control panels. The LTC3704EMS#TRPBF further simplifies design by integrating MOSFET drivers, eliminating 2?C4 discrete components and reducing failure points??key for B2B clients needing reliable, low-maintenance power supplies.
📩 Contact Us
How does the 4.5V?C36V wide input range benefit industrial and telecom systems?
The 4.5V?C36V input range lets the PMIC handle diverse power sources: industrial grids (24V), telecom battery backups (48V), and even low-voltage inputs (e.g., 12V from solar panels). This eliminates the need for pre-regulators, cutting BOM costs and PCB space. For industrial systems, it tolerates voltage spikes (up to 36V) from machinery, while for telecom, it works with both primary 48V and backup 12V batteries??ensuring continuous operation during power transitions.
What value does the 16-pin MSOP package add to compact PMIC designs?
The 16-pin MSOP package has a small footprint (5mm x 6mm) that saves 25% PCB space compared to standard SOIC packages. This is critical for compact systems like 5G router modules or industrial sensor power supplies, where enclosure size is limited. Its surface-mount design also enables automated assembly, reducing production time and human error??essential for high-volume B2B manufacturing (e.g., 10k+ unit runs for telecom OEMs).
How does the 500kHz?C2MHz adjustable switching frequency impact system design?
A higher switching frequency (up to 2MHz) lets engineers use smaller inductors and capacitors, shrinking the overall power supply size by 30%. For space-constrained applications like IoT sensors or compact PLCs, this is a key advantage. Lower frequencies (500kHz) reduce EMI, critical for industrial systems sensitive to electromagnetic interference (e.g., motor drives). The adjustability lets designers balance size and EMI??flexibility not offered by fixed-frequency PMICs.
Which ADI tools support programming and testing the LTC3704EMS#TRPBF?
ADI??s EVAL-LTC3704 Evaluation Kit includes a pre-configured LTC3704EMS#TRPBF, external MOSFETs, input/output test points, and a USB-to-analog bridge. The free Power Management Studio software enables real-time efficiency monitoring, switching frequency tuning, and protection threshold setup??no custom code required. These tools let engineers validate voltage regulation (e.g., 5V output from 24V input) and efficiency in hours, cutting development time by 35% and ensuring faster time-to-market for power supply designs.




