5V Low-Dropout Regulator for micro-P Application The LP2957IT is a low-dropout voltage regulator manufactured by NS (National Semiconductor). Here are its key specifications, descriptions, and features:
### **Specifications:**
- **Output Voltage:** Adjustable (1.23V to 29V) or fixed (5V, 3.3V, 3V, etc.)
- **Output Current:** Up to 750mA
- **Dropout Voltage:** 380mV (typical at 750mA load)
- **Input Voltage Range:** Up to 30V
- **Line Regulation:** 0.04% (typical)
- **Load Regulation:** 0.05% (typical)
- **Quiescent Current:** 1.1mA (typical)
- **Operating Temperature Range:** -40°C to +125°C
- **Package:** TO-220, TO-263 (D2PAK), and other surface-mount options
### **Descriptions:**
- The LP2957IT is a high-performance, low-dropout voltage regulator designed for applications requiring stable power with minimal input-output differential.
- It includes features like thermal shutdown, current limit protection, and reverse battery protection.
- Suitable for battery-powered devices, industrial controls, and automotive applications.
### **Features:**
- **Low Dropout Voltage:** Ensures efficient regulation even with small input-output differentials.
- **Low Quiescent Current:** Enhances efficiency in battery-operated systems.
- **Thermal Shutdown Protection:** Prevents damage from overheating.
- **Current Limit Protection:** Safeguards against excessive load currents.
- **Reverse Battery Protection:** Protects the regulator from reverse polarity conditions.
- **Adjustable Output:** Allows flexibility in setting the desired output voltage.
This information is based on the manufacturer's datasheet for the LP2957IT.
