LTM4657EY#PBF

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LTM4657EY#PBF

DC DC CONVERTER 0.5-5.5V

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Specifications

Part Status Active
Type Non-Isolated PoL Module
Number of Outputs 1
Voltage - Input (Min) 3.1V
Voltage - Input (Max) 20V
Voltage - Output 1 0.5 ~ 5.5V
Current - Output (Max) 8A
Applications ITE (Commercial)
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 49-BFBGA Module
Size / Dimension 0.25" L x 0.25" W x 0.15" H (6.3mm x 6.3mm x 3.9mm)
Supplier Device Package 49-BGA (6.25x6.25)
Base Product Number LTM4657

Overview

Description

The LTM4657EY#PBF is a step-down DC-DC converter designed for high-performance applications. It features a compact, low-profile package and is capable of delivering up to 57A of output current. This device is optimized for efficiency and thermal performance, making it suitable for powering advanced microprocessors, FPGAs, and other high-density circuits.
Key features include a wide input voltage range, adjustable output voltage, and integrated power switches that reduce external component count. The LTM4657 also supports telemetry and fault monitoring, providing real-time feedback on power performance. It operates with a switching frequency that can be adjusted to optimize for size or efficiency.
This converter is ideal for applications in telecommunications, data centers, and industrial equipment where reliable, high-current power supply is essential. Its robust design ensures stability and performance under varying load conditions, making it a popular choice among engineers looking for a high-efficiency power solution.

Features

The LTM4657EY#PBF is a high-performance step-down DC-DC regulator from Analog Devices, designed for high efficiency and compact size. Key features include:
1. Input Voltage Range: 4.5V to 17V, suitable for a variety of applications.
2. Output Current: Up to 5A, enabling significant power delivery.
3. Output Voltage: Adjustable down to 0.8V, allowing flexibility for different systems.
4. Efficiency: Up to 95% efficient, reducing heat generation and improving thermal performance.
5. Integrated Inductor: Combines the power management IC and inductor in a compact module, simplifying design and saving board space.
6. Thermal Shutdown and Current Limit: Provides protection against overheating and overcurrent conditions.
7. Power Good Indicator: Alerts system if the output is outside the expected range.
8. Small Package: Available in a compact LGA package, making it suitable for space-constrained applications.
These features make the LTM4657EY#PBF ideal for point-of-load applications in various industries, including telecommunications, industrial, and consumer electronics.

Package

The LTM4657EY#PBF comes in a 28-lead HTQFN (High Thermal Dissipation Quad Flat No-lead) package. This package type is designed for efficient heat dissipation and compact layout in applications requiring high performance and low profile.

Pinout

The LTM4657EY#PBF is a dual output step-down power module from Analog Devices, specifically designed for high efficiency and compact designs. It has a total of 15 pins.
Pin Functions:
1. VIN: Input voltage supply.
2. VOUT1: Output voltage for channel 1.
3. VOUT2: Output voltage for channel 2.
4. GND: Ground reference.
5. VFB1: Feedback for channel 1.
6. VFB2: Feedback for channel 2.
7. RUN1: Enable control for channel 1.
8. RUN2: Enable control for channel 2.
9. CLKOUT: Clock output for synchronization.
10. COMP1: Compensation network for channel 1.
11. COMP2: Compensation network for channel 2.
12. PGND: Power ground.
13. SW1: Switch node for channel 1.
14. SW2: Switch node for channel 2.
15. CSN: Current sense negative terminal.
The LTM4657 offers features such as adjustable output voltages, tracking, and fault protection, suitable for various applications in power management.

Manufacturer

The manufacturer of the LTM4657EY#PBF is Analog Devices, Inc. Analog Devices is a global semiconductor company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company focuses on providing solutions for various industries, including communications, automotive, industrial, and healthcare. Their products are widely used in applications such as signal processing, data acquisition, and power management. The LTM4657EY#PBF is a step-down power module known for its compact size and efficiency, catering to advanced power management needs in electronic systems.

Application

The LTM4657EY#PBF is a high-efficiency, dual 20A step-down DC-DC power module suited for applications such as point-of-load conversion in telecommunications, data centers, servers, and industrial systems. It is ideal for powering processors, FPGAs, and other high-performance components due to its compact design and integrated features, which allow for reduced design complexity and improved thermal performance.

Equivalent

The LTM4657EY#PBF is a dual-output step-down power module from Analog Devices. Equivalent products include the following:
1. LTM4668 - Dual output, higher current capability.
2. LTM4650 - Single output, similar footprint.
3. LTM4625 - Smaller current, single output.
4. LTM4631 - Higher voltage range, dual output.
Always verify specifications for compatibility in your application.

Shipping

Shipping MethodsWe

offer global shipping services through DHL, FedEx, TNT, UPS, or any other forwarder of your choice.


Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

The Payment term is 100% Prepaid.

Currently, we only accept the below payment methods:

1. PayPal

2. Credit/ Debit Card

3. Wire Transfer