Overview
The LTM4632EY#PBF is an ultrathin triple output step-down power µModule regulator produced by Analog Devices Inc. This module provides a complete power solution, particularly suited for DDR-QDR4 SRAM and general-purpose point-of-load conversion. It integrates a dual constant on-time valley current mode regulator, power MOSFETs, inductor, and other supporting discrete components, making it a comprehensive power management solution.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| VIN | Input Voltage | 3.6 | - | 15 | V |
| VOUT1 | Output Voltage Range | 0.6 | - | 2.5 | V |
| IOUT | Output Current per Channel | - | - | 3 | A |
| fSW | Switching Frequency | - | 1 | - | MHz |
| TOP | Operating Temperature Range | -40 | - | 125 | °C |
| Package | - | - | - | 25-Pin BGA |
Key Features
- Ultrathin design suitable for space-constrained applications.
- Programmable output voltage from 0.6V to 2.5V via an external resistor.
- Integrated dual constant on-time valley current mode regulator, power MOSFETs, and inductor.
- Internal feedback loop compensation for stability and good transient performance.
- Cycle-by-cycle fast current limiting and internal overvoltage and undervoltage protection.
- Externally synchronizable to a clock within ±30% of the set frequency for noise-sensitive applications.
Applications
- DDR-QDR4 SRAM power supply.
- General-purpose point-of-load conversion.
- Telecom, networking, and industrial equipment.
Q & A
- What is the input voltage range of the LTM4632EY#PBF?
The input voltage range is from 3.6V to 15V. - What is the programmable output voltage range of the LTM4632EY#PBF?
The output voltage can be programmed from 0.6V to 2.5V via an external resistor. - What is the typical switching frequency of the LTM4632EY#PBF?
The typical switching frequency is 1 MHz. - Can the LTM4632EY#PBF be synchronized to an external clock?
Yes, it can be externally synchronized to a clock within ±30% of the set frequency. - What is the operating temperature range of the LTM4632EY#PBF?
The operating temperature range is from -40°C to 125°C. - What type of package does the LTM4632EY#PBF come in?
The module comes in a 25-Pin BGA package. - Does the LTM4632EY#PBF have built-in protection features?
Yes, it includes internal overvoltage and undervoltage protection and cycle-by-cycle fast current limiting. - What are some common applications of the LTM4632EY#PBF?
Common applications include DDR-QDR4 SRAM power supply, general-purpose point-of-load conversion, and use in telecom, networking, and industrial equipment. - Is the LTM4632EY#PBF RoHS compliant?
Yes, the LTM4632EY#PBF is RoHS compliant. - What is the maximum output current per channel of the LTM4632EY#PBF?
The maximum output current per channel is 3A.
