LTM4638IY

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LTM4638IY

20VIN, 15A STEP-DOWN DC/DC UMODU

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Especificaciones

Series µModule®
Part Status Active
Type Non-Isolated PoL Module
Number of Outputs 1
Voltage - Input (Min) 3.1V
Voltage - Input (Max) 20V
Voltage - Output 1 0.6 ~ 5.5V
Current - Output (Max) 15A
Applications ITE (Commercial)
Features Adjustable Output, Load Sharing, Remote On/Off, Remote Sense
Operating Temperature -40°C ~ 125°C (With Derating)
Mounting Type Surface Mount
Package / Case 49-BFBGA Module
Size / Dimension 0.25" L x 0.25" W x 0.20" H (6.3mm x 6.3mm x 5.0mm)
Supplier Device Package 49-BGA (6.25x6.25)
Base Product Number LTM4638

Descripción general

Description

The LTM4638IY is a high-performance, step-down power module designed for efficient DC-DC conversion. It integrates a switching regulator, inductors, and passive components into a compact package, enabling designers to save space on their PCBs. This module delivers a maximum output current of 38A, with an adjustable output voltage range from 0.8V to 5.5V, making it suitable for various applications, including telecommunications, industrial equipment, and high-performance computing.
Key features of the LTM4638IY include excellent load regulation, high efficiency (up to 95%), and a wide input voltage range (4.5V to 15V). It also offers advanced thermal performance, with a built-in thermal shutdown protection feature. The device can be configured for parallel operation to achieve higher current outputs if needed. It operates in a temperature range of -40°C to 125°C, ensuring reliability in demanding environments. Overall, the LTM4638IY is an ideal choice for designers looking for a compact, efficient power solution.

Features

The LTM4638IY is a high-performance step-down DC-DC power module from Analog Devices' LT® product line. Key features include:
1. Output Current: Delivers up to 3A output current.
2. Input Voltage Range: Accepts a wide input voltage range from 4.5V to 20V.
3. Output Voltage: Adjustable output voltage from 0.8V to 5V.
4. High Efficiency: Achieves efficiencies exceeding 90%, reducing heat generation and improving thermal performance.
5. Compact Design: Housed in a compact LGA package, simplifying design and PCB layout.
6. Integrated Inductor: Combines power components, including the inductor, in a single module, minimizing external component count.
7. Thermal Protection: Features built-in thermal shutdown for enhanced reliability.
8. Power Good Signal: Includes a Power Good output for system monitoring.
9. Soft-Start: Provides a programmable soft-start feature to limit inrush current.
The LTM4638IY is ideal for space-constrained applications requiring reliable and efficient power conversion.

Package

The LTM4638IY is packaged in a 9mm x 15mm LGA (Land Grid Array) format. This compact package design is optimized for high-performance applications, providing efficient thermal management and minimized footprint for integrated power solutions.

Pinout

The LTM4638IY is a dual 4A DC-DC step-down power module from Analog Devices, featuring a total of 28 pins. The key functions of its pins include power input, power output, control signals, and feedback for voltage regulation. Notable pins include:
- VIN: Input voltage supply.
- VOUT1 and VOUT2: Outputs for the two voltage rails (4A each).
- GND: Ground connection.
- SVIN: Supply voltage for internal circuitry.
- VFB1 and VFB2: Feedback pins for voltage regulation.
- RUN1 and RUN2: Enable pins for the respective outputs.
- CSN1 and CSN2: Current sense pins for monitoring output current.
- SYNC: Synchronization pin for timing control.

The LTM4638IY integrates a complete power management solution, including inductors and passive components, allowing for compact designs in various applications.

Manufacturer

The LTM4638IY is manufactured by Analog Devices, Inc. Analog Devices is a global semiconductor company that specializes in data conversion, signal processing, and power management technologies. Founded in 1965, the company is known for its high-performance analog, mixed-signal, and digital signal processing (DSP) solutions. Analog Devices serves a wide range of industries, including automotive, communications, healthcare, and industrial automation, providing innovative products for applications requiring precision and high reliability. The LTM4638IY is a synchronous step-down DC-DC power module, designed for high efficiency and compact power solutions.

Application

The LTM4638IY is a high-performance DC-DC step-down power module designed for various applications, including telecommunications, industrial equipment, medical devices, and automotive systems. It is suitable for powering FPGAs, microcontrollers, and digital signal processors due to its high efficiency and compact size. Its versatility and integrated features make it ideal for use in space-constrained environments requiring reliable power delivery.

Equivalent

The LTM4638IY is a dual-output, step-down μModule regulator from Analog Devices. Equivalent products include the LTM4636 (single output version), LTM4637 (dual output with higher current), and similar models from other manufacturers like Texas Instruments (TPS563201) and Maxim Integrated (MAXM17575). Always check specifications for compatibility in your specific application.

Envío

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Referencia de tarifas de envío (DHL/FedEx):

DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

Pagos

Payment Methods

El plazo de pago es 100% prepagado.

Actualmente, solo aceptamos los siguientes métodos de pago:

1. de PayPal

2. Tarjeta de crédito/débito

3. Transferencia bancaria

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