Overview
The MAX151BCWG is a high-performance, dual-step-down controller from Maxim Integrated, now part of Analog Devices Inc. This controller is designed to provide high efficiency, excellent transient response, and high DC-output accuracy, making it suitable for a variety of power supply applications.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 4.5V to 28V |
| Output Voltage Range (OUT1) | 0.7V to 5.5V |
| Output Voltage Range (OUT2) | 0.7V to 5.5V |
| Switching Frequency | 100kHz to 400kHz |
| Output Current (OUT1) | Up to 20A |
| Output Current (OUT2) | Up to 10A |
| Accuracy | ±1% over line and load |
| Package Type | 28-pin TSSOP |
Key Features
- Interleaved, fixed-frequency, current-mode control architecture
- Dynamically adjustable output voltages
- External reference input for selectable output voltages
- Power-good and fault blanking during transitions
- Accurate differential current-sense inputs
- Soft-start and soft-shutdown
- Output overvoltage/undervoltage protection
- Separate enable inputs with accurate threshold voltages
Applications
- Active termination buses
- CPU core or VCC supplies
- Graphics processor cores
- High-performance computing systems
- Networking and telecommunications equipment
Q & A
- What is the input voltage range of the MAX151BCWG?
The input voltage range is from 4.5V to 28V. - What are the output voltage ranges for OUT1 and OUT2?
The output voltage ranges are from 0.7V to 5.5V for both OUT1 and OUT2. - What is the switching frequency range of the MAX151BCWG?
The switching frequency range is from 100kHz to 400kHz. - What is the maximum output current for OUT1 and OUT2?
The maximum output current is up to 20A for OUT1 and up to 10A for OUT2. - What is the accuracy of the output voltage?
The accuracy is ±1% over line and load. - What type of package does the MAX151BCWG come in?
The MAX151BCWG comes in a 28-pin TSSOP package. - Does the MAX151BCWG support soft-start and soft-shutdown?
Yes, it supports both soft-start and soft-shutdown. - What kind of protection does the MAX151BCWG offer?
The MAX151BCWG offers output overvoltage/undervoltage protection. - Can the output voltages be dynamically adjusted?
Yes, the output voltages can be dynamically adjusted using an external reference input. - What is the purpose of the interleaved architecture in the MAX151BCWG?
The interleaved architecture minimizes the input capacitor requirements and improves efficiency.
