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LT1111 from LINEAR

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LT1111

Manufacturer: LINEAR

Micropower DC/DC Converter Adjustable and Fixed 5V, 12V

Partnumber Manufacturer Quantity Availability
LT1111 LINEAR 156 In Stock

Description and Introduction

Micropower DC/DC Converter Adjustable and Fixed 5V, 12V The LT1111 is a precision, low power, low dropout voltage regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Output Voltage Options:** Fixed (e.g., 3.3V, 5V) or adjustable (1.24V to 20V).  
- **Output Current:** Up to 800mA.  
- **Dropout Voltage:** Typically 300mV at full load.  
- **Input Voltage Range:** Up to 20V.  
- **Quiescent Current:** Typically 1mA (lower in shutdown mode).  
- **Line Regulation:** 0.02%/V typical.  
- **Load Regulation:** 0.05% typical.  
- **Operating Temperature Range:** -40°C to +125°C.  
- **Package Options:** TO-220, DD-Pak, and SO-8.  

### **Descriptions & Features:**  
- **Low Dropout:** Operates with very small headroom voltage.  
- **Low Quiescent Current:** Efficient for battery-powered applications.  
- **High Accuracy:** Tight output voltage tolerance.  
- **Thermal & Overcurrent Protection:** Built-in safeguards.  
- **Adjustable Output:** Versatile for custom voltage requirements.  
- **Stable with Low-ESR Capacitors:** Ensures stable operation.  

The LT1111 is commonly used in portable devices, instrumentation, and industrial applications requiring precise voltage regulation.

Partnumber Manufacturer Quantity Availability
LT1111 79 In Stock

Description and Introduction

Micropower DC/DC Converter Adjustable and Fixed 5V, 12V The LT1111 is a precision, low power, low dropout voltage regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Manufacturer Specifications:**  
- **Input Voltage Range:** Up to 30V  
- **Output Voltage Range:** Adjustable from 1.24V to 29V  
- **Output Current:** 800mA  
- **Dropout Voltage:** 300mV (typical at full load)  
- **Line Regulation:** 0.02%/V (typical)  
- **Load Regulation:** 0.05%/mA (typical)  
- **Quiescent Current:** 1.2mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Options:** TO-220, DD-Pak, and TO-263 (D2PAK)  

### **Descriptions and Features:**  
- **Low Dropout:** Operates with very low input-to-output voltage differentials.  
- **Low Quiescent Current:** Optimized for battery-powered applications.  
- **Adjustable Output:** Set via external resistors.  
- **Thermal Protection:** Includes internal thermal shutdown.  
- **Current Limit Protection:** Prevents damage from excessive loads.  
- **Wide Input Voltage Range:** Suitable for various power supply designs.  
- **Stable with Low-ESR Capacitors:** Works effectively with ceramic or tantalum output capacitors.  

The LT1111 is commonly used in portable devices, battery-powered systems, and industrial applications requiring precise voltage regulation.

Partnumber Manufacturer Quantity Availability
LT1111 LT 237 In Stock

Description and Introduction

Micropower DC/DC Converter Adjustable and Fixed 5V, 12V The LT1111 is a precision operational amplifier manufactured by Linear Technology (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Supply Voltage Range:** ±1.25V to ±15V  
- **Input Offset Voltage:** 30µV (max)  
- **Input Offset Voltage Drift:** 0.3µV/°C (max)  
- **Input Bias Current:** 1.5nA (max)  
- **Input Noise Voltage:** 0.55µV (p-p, 0.1Hz to 10Hz)  
- **Gain Bandwidth Product:** 1MHz  
- **Slew Rate:** 0.5V/µs  
- **Common-Mode Rejection Ratio (CMRR):** 120dB (min)  
- **Power Supply Rejection Ratio (PSRR):** 120dB (min)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Description:**  
The LT1111 is a low-noise, precision operational amplifier designed for applications requiring high accuracy and stability. It features ultra-low offset voltage and drift, making it suitable for precision instrumentation, medical equipment, and data acquisition systems.

### **Features:**  
- Ultra-low offset voltage and drift  
- Low noise performance  
- High CMRR and PSRR  
- Low input bias current  
- Wide supply voltage range  
- Available in standard 8-pin PDIP and SOIC packages  

For detailed application notes or additional information, refer to the official datasheet from Analog Devices.

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