LTC3413
LAST TIME BUY3A, 2MHz Monolithic Synchronous Regulator for DDR/QDR Memory Termination
- Part Models
- 4
- 1ku List Price
- Starting From $6.67
Overview
- High Efficiency: Up to 90%
- ±3A Output Current
- Symmetrical Source and Sink Output Current Limit
- Low RDS(ON) Internal Switch: 85mΩ
- No Schottky Diode Required
- 2.25V to 5.5V Input Voltage Range
- VOUT = VREF/2
- ±1% Output Voltage Accuracy
- Programmable Switching Frequency: Up to 2MHz
- Power Good Output Voltage Monitor
- Overtemperature Protected
- Available in 16-Lead TSSOP Exposed Pad Package
The LTC3413 is a high efficiency monolithic synchronous step-down DC/DC converter utilizing a constant frequency, current mode architecture. It operates from an input voltage range of 2.25V to 5.5V and provides a regulated output voltage equal to (0.5)VREF while sourcing or sinking up to 3A of output current. An internal voltage divider reduces component count and eliminates the need for external resistors by dividing the reference voltage in half. The internal synchronous power switch with 85mΩ on-resistance increases efficiency and eliminates the need for an external Schottky diode. Switching frequencies up to 2MHz are set by an external resistor.
Forced-continuous operation in the LTC3413 reduces noise and RF interference. Fault protection is provided by an overcurrent comparator that limits output current during both sourcing and sinking operations. Adjustable compensation allows the transient response to be optimized over a wide range of loads and output capacitors.
Applications
- Bus Termination: DDR and QDR™ Memory, SSTL, HSTL, ...
- Notebook Computers
- Distributed Power Systems
Documentation
Data Sheet 1
User Guide 1
Design Note 2
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| LTC3413EFE#PBF | 16-Lead TSSOP w/ EP | ||
| LTC3413EFE#TRPBF | 16-Lead TSSOP w/ EP | ||
| LTC3413IFE#PBF | 16-Lead TSSOP w/ EP | ||
| LTC3413IFE#TRPBF | 16-Lead TSSOP w/ EP |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
May 18, 2026 - 26_0072 Epoxy Change for Select TSSOP Products |
||
| LTC3413EFE#PBF | ||
| LTC3413EFE#TRPBF | ||
| LTC3413IFE#PBF | ||
| LTC3413IFE#TRPBF | ||
|
Apr 6, 2022 - 22_0068 Laser Top Mark for ETSSOP and TSSOP Packages Assembled in ADPG [PNG] and UTL |
||
| LTC3413EFE#PBF | ||
| LTC3413EFE#TRPBF | ||
| LTC3413IFE#PBF | ||
| LTC3413IFE#TRPBF | ||
|
Jul 29, 2026 - 26_0046 Discontinuation of Parts Manufactured in TSMC Fab 2 and 5 in Hsinchu, Taiwan. |
||
| LTC3413EFE#PBF | ||
| LTC3413EFE#TRPBF | ||
| LTC3413IFE#PBF | ||
| LTC3413IFE#TRPBF | ||
This is the most up-to-date revision of the Data Sheet.
Software Resources
Can't find the software or driver you need?
Request a Driver/SoftwareHardware Ecosystem
| Parts | Product Life Cycle | Description |
|---|---|---|
| Power System Management (PSM) & Sequencers 1 | ||
| LTC2975 | RECOMMENDED FOR NEW DESIGNS | 4-Channel PMBus Power System Manager Featuring Accurate Input Current and Energy Measurement |
Tools & Simulations
LTspice
Models for the following parts are available in LTspice:
- LTC3413
LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.
Evaluation Kits
Reference Designs
Part Used
Part Used
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