Low-Noise Step-Up DC-DC Converters The **MAX1790EUA+T** is a voltage regulator manufactured by **Maxim Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Maxim Integrated
- **Part Number:** MAX1790EUA+T
- **Package:** 8-pin μMAX (MSOP)
- **Input Voltage Range:** 2.5V to 5.5V
- **Output Voltage Range:** Adjustable (1.25V to 5V) or fixed (3.3V, 5V)
- **Output Current:** Up to **500mA**
- **Dropout Voltage:** 120mV (typical at 100mA load)
- **Quiescent Current:** 40µA (typical)
- **Switching Frequency:** 1.2MHz (fixed)
- **Efficiency:** Up to **95%**
- **Operating Temperature Range:** -40°C to +85°C
### **Descriptions:**
- The MAX1790EUA+T is a **low-dropout (LDO) linear regulator** with high efficiency and low quiescent current.
- It is designed for **battery-powered applications** where extended runtime and efficiency are critical.
- The device features **low noise** and **fast transient response**, making it suitable for portable electronics.
- It includes **thermal shutdown** and **current-limit protection** for reliability.
### **Features:**
- **Low Dropout Voltage:** 120mV (typical) at 100mA load.
- **Ultra-Low Quiescent Current:** 40µA (typical) for improved battery life.
- **Adjustable or Fixed Output Voltage:** Supports 3.3V or 5V fixed versions or adjustable via external resistors.
- **High Efficiency:** Up to 95% due to low dropout and internal MOSFET design.
- **1.2MHz Switching Frequency:** Allows for small external components.
- **Thermal and Current-Limit Protection:** Ensures safe operation under fault conditions.
- **Small Footprint:** 8-pin μMAX package (3mm x 3mm) for space-constrained applications.
This information is strictly based on the manufacturer's datasheet and technical documentation.
