1.5A, Low Noise, Fast Transient Response LDO Regulators The LT1963AEQ#PBF is a low dropout (LDO) linear regulator manufactured by Analog Devices (formerly Linear Technology). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Output Voltage Range:** Adjustable (1.21V to 20V) or fixed voltages available.
- **Output Current:** 1.5A (maximum).
- **Dropout Voltage:** 340mV typical at 1.5A load.
- **Input Voltage Range:** 1.8V to 20V.
- **Quiescent Current:** 1mA typical (operating), <1µA (shutdown mode).
- **Line Regulation:** 0.02% typical.
- **Load Regulation:** 0.05% typical.
- **Operating Temperature Range:** -40°C to +125°C.
- **Package:** 5-Lead DD-Pak (TO-263-5) or other variants.
- **Protection Features:** Overcurrent, reverse battery, and thermal shutdown.
### **Descriptions:**
- The LT1963AEQ#PBF is a high-performance LDO regulator designed for applications requiring low noise, high PSRR (Power Supply Rejection Ratio), and fast transient response.
- It is stable with low-ESR ceramic capacitors (≥10µF).
- Suitable for battery-powered and noise-sensitive applications.
### **Features:**
- **Low Dropout Voltage:** 340mV typical at full load.
- **Low Noise:** 40µVRMS (10Hz to 100kHz).
- **High PSRR:** 75dB at 1kHz.
- **Adjustable or Fixed Output Voltages:** Available in fixed 1.5V, 1.8V, 2.5V, 3.3V, and 5V versions.
- **Fast Transient Response:** Optimized for dynamic load conditions.
- **Thermal Shutdown & Current Limit Protection:** Ensures safe operation under fault conditions.
This information is strictly based on the manufacturer's datasheet and specifications.
