Overview
The LTM4643IY#PBF is a quad DC/DC step-down µModule (power module) regulator produced by Analog Devices Inc. This module is designed to provide high-efficiency power management, particularly suited for mobile and IoT devices. Each output channel can deliver up to 3A of continuous current, and the outputs can be paralleled to achieve a combined output current of up to 12A. The LTM4643 operates over an input voltage range of 4V to 20V and supports an output voltage range of 0.6V to 3.3V, which can be set using a single external resistor.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Input Voltage Range | 4V to 20V | V |
| Output Voltage Range | 0.6V to 3.3V | V |
| Maximum Output Current per Channel | 3A | A |
| Maximum Combined Output Current | 12A | A |
| Switching Frequency | 1.2 MHz | Hz |
| Package Type | BGA-77 | |
| Operating Temperature Range | -40°C to 125°C | °C |
| Mounting Style | SMD/SMT | |
| Regulator Topology | Buck | |
| Number of Outputs | 4 |
Key Features
- High-efficiency design delivering up to 3A continuous output current per channel.
- Outputs can be paralleled for up to 12A combined output current.
- Input voltage range of 4V to 20V and output voltage range of 0.6V to 3.3V, set by a single external resistor.
- Integrated switching controllers, power FETs, inductors, and support components.
- Fault protection features including overvoltage, overcurrent, and overtemperature protection.
- Compact BGA-77 package suitable for space-constrained applications.
- Operating temperature range of -40°C to 125°C.
Applications
The LTM4643IY#PBF is ideal for various applications requiring high-efficiency power management, such as:
- Mobile devices: Smartphones, tablets, and other portable electronics.
- IoT devices: Internet of Things applications, including sensors, gateways, and other connected devices.
- Industrial control systems: Powering control units, sensors, and other components in industrial settings.
- Medical devices: Powering medical equipment that requires reliable and efficient power supply.
Q & A
- What is the input voltage range of the LTM4643IY#PBF?
The input voltage range is 4V to 20V.
- How much output current can each channel deliver?
Each output channel can deliver up to 3A of continuous current.
- Can the outputs be paralleled?
- What is the switching frequency of the LTM4643IY#PBF?
The switching frequency is 1.2 MHz.
- What type of package does the LTM4643IY#PBF come in?
The LTM4643IY#PBF comes in a BGA-77 package.
- What is the operating temperature range of the LTM4643IY#PBF?
The operating temperature range is -40°C to 125°C.
- Does the LTM4643IY#PBF have built-in fault protection features?
- How is the output voltage set on the LTM4643IY#PBF?
The output voltage is set using a single external resistor.
- What are some typical applications for the LTM4643IY#PBF?
Typical applications include mobile devices, IoT devices, industrial control systems, and medical devices.
- Is the LTM4643IY#PBF RoHS compliant?
