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LTC3414IFE

Part No LTC3414IFE
Manufacturer Linear Technology
Catalog PMIC - Voltage Regulators - DC DC Switching Regulators
Description IC REG BUCK ADJ 4A SYNC 20TSSOP
Sample
Rohs State rohs
ECAD Module
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Categories Integrated Circuits
Manufacturer Linear Technology
Packaging Tube/Rail
Status Active
Purpose Step-Down
Topology Buck
Output Type Adjustable
Number of Outputs 1
Minimum Input Voltage 2.25V
Maximum Input Voltage 5.5V
Nominal Output Voltage (Min/Fixed) 0.8V
Maximum Output Voltage 5V
Output Current 4A
Frequency - Switching 1MHz
Synchronous Rectifier Yes
Temperature Range - Operating -40°C to 85°C (TA)
Mounting SMD (SMT)
Case / Package 20-TSSOP-EP
Win Source Part Number 97036-LTC3414IFE
Is this a common-used part? Yes
Popularity High
Supply and Demand Status Limited
Ultra Librarian 3D Model Ultra Librarian LTC3414IFE CAD Model

Description

LTC3414IFE - High Efficiency, 4A, 4MHz Monolithic Synchronous Step-Down Regulator

The LTC3414IFE is a high-performance, monolithic synchronous buck regulator from Linear Technology, designed to deliver up to 4A of continuous output current at voltages as low as 0.8V. With an operating frequency of up to 4MHz, this regulator allows for the use of small surface-mount inductors and capacitors, resulting in a compact power supply solution with a minimal footprint.

One of the key features of the LTC3414IFE is its high efficiency, which is achieved through its low RDS(ON) internal switches. The regulator operates over a wide input voltage range of 2.25V to 5.5V, making it suitable for single Li-Ion, multi-cell Alkaline/NiMH, or other applications where the input voltage is within this range. This flexibility makes it an ideal choice for portable power devices, such as handheld instruments, and it can also serve in distributed power systems and embedded applications.

The LTC3414IFE offers a variety of user-selectable functions, including Burst Mode® operation, which enhances efficiency at light loads, and a fixed frequency PWM mode for noise-sensitive applications. Additionally, the device features a user-programmable current limit, undervoltage lockout, a power good signal, and soft-start capability, which can be used to prevent input current surge during startup.

For thermal performance, the LTC3414IFE is housed in a thermally efficient FE package. This, combined with its high switching frequency, which reduces the size of external components, allows for a cooler operation and a more reliable system.

Other important specifications include its low dropout operation, anti-ringing control for reduced EMI, and the ability to maintain a constant frequency over the entire range of input voltages. The LTC3414IFE is also stable with ceramic output capacitors, ensuring good transient response and output accuracy.

In summary, the LTC3414IFE from Linear Technology is a versatile, high-efficiency step-down regulator that is well-suited for a wide range of applications where space is at a premium and power efficiency is crucial.

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