Step-Down Controllers with Prebias Startup, Lossless Sensing, Synchronization, and OVP The MAX8544EEP+ is a step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Maxim Integrated
- **Part Number:** MAX8544EEP+
- **Type:** Step-Down DC-DC Converter (Buck Regulator)
- **Input Voltage Range:** 2.6V to 5.5V
- **Output Voltage Range:** Adjustable from 0.8V to VIN
- **Output Current:** Up to 1A
- **Switching Frequency:** 1MHz (typical)
- **Efficiency:** Up to 95%
- **Package:** 16-pin QSOP (Exposed Pad)
- **Operating Temperature Range:** -40°C to +85°C
- **Features:**
- Internal synchronous rectifier
- Low dropout operation
- Pulse-width modulation (PWM) mode
- Soft-start capability
- Overcurrent and thermal protection
### **Descriptions:**
The MAX8544EEP+ is a high-efficiency, step-down DC-DC converter designed for applications requiring a regulated low-voltage supply from a higher input voltage. It integrates synchronous rectification to minimize external components and improve efficiency. The device operates at a fixed 1MHz switching frequency, allowing for compact inductor and capacitor selection.
### **Features:**
- **Wide Input Voltage Range:** Supports 2.6V to 5.5V input.
- **Adjustable Output Voltage:** Configurable from 0.8V to VIN via external resistors.
- **High Efficiency:** Up to 95% due to synchronous rectification.
- **Low Dropout Operation:** Maintains regulation even when the input voltage approaches the output voltage.
- **Fixed 1MHz Switching Frequency:** Reduces external component size.
- **Integrated Power MOSFETs:** Eliminates the need for an external Schottky diode.
- **Soft-Start:** Prevents inrush current during startup.
- **Protection Features:** Includes overcurrent and thermal shutdown protection.
- **Compact Package:** 16-pin QSOP with exposed pad for improved thermal performance.
This information is based solely on the manufacturer's datasheet and technical documentation.
