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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.

Application Scenarios & Design Considerations

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

Application Scenarios & Design Considerations

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

Application Scenarios & Design Considerations

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

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