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LT1768CGN from LT

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LT1768CGN

Manufacturer: LT

High Power CCFL Controller for Wide Dimming Range and Maximum Lamp Lifetime

Partnumber Manufacturer Quantity Availability
LT1768CGN LT 1391 In Stock

Description and Introduction

High Power CCFL Controller for Wide Dimming Range and Maximum Lamp Lifetime The LT1768CGN is a low noise, low dropout linear regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Output Voltage Range:** 1.22V to 20V (adjustable)  
- **Output Current:** 500mA  
- **Dropout Voltage:** 300mV (typical at 500mA)  
- **Input Voltage Range:** Up to 20V  
- **Noise Performance:** 20μVRMS (10Hz to 100kHz)  
- **Line Regulation:** 0.02%/V (typical)  
- **Load Regulation:** 0.05%/mA (typical)  
- **Quiescent Current:** 1mA (typical)  
- **Shutdown Current:** <1μA  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Lead SSOP  

### **Descriptions and Features:**  
- Designed for low noise applications such as RF and precision analog circuits.  
- Includes a reference bypass pin to further reduce output noise.  
- Stable with low-ESR ceramic capacitors (≥2.2μF).  
- Fast transient response.  
- Built-in protection features: thermal shutdown and current limit.  
- Adjustable output voltage via external resistors.  
- Low dropout voltage enhances efficiency in battery-powered applications.  

This regulator is commonly used in sensitive electronic systems requiring clean power, such as communication devices, medical instruments, and high-performance data converters.

Partnumber Manufacturer Quantity Availability
LT1768CGN LINEAR 3744 In Stock

Description and Introduction

High Power CCFL Controller for Wide Dimming Range and Maximum Lamp Lifetime The LT1768CGN is a low noise, low dropout regulator (LDO) manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Output Voltage Range:** Adjustable from 1.22V to 20V  
- **Output Current:** 500mA  
- **Dropout Voltage:** 300mV (typical at 500mA)  
- **Input Voltage Range:** 2.7V to 20V  
- **Low Noise:** 20μVRMS (10Hz to 100kHz)  
- **High PSRR:** 75dB (at 120Hz)  
- **Quiescent Current:** 1mA (typical)  
- **Protection Features:** Reverse battery protection, current limiting, thermal shutdown  
- **Package:** 16-Lead SSOP  

### **Descriptions:**  
The LT1768CGN is designed for applications requiring low noise and high efficiency. It features a low dropout voltage and excellent line/load regulation, making it suitable for battery-powered and noise-sensitive systems.  

### **Features:**  
- Adjustable output voltage  
- Stable with low-ESR ceramic capacitors  
- Fast transient response  
- Reverse battery protection  
- Thermal shutdown and current limit protection  
- Low quiescent current  

This regulator is commonly used in RF, medical, and precision analog applications.  

(Source: Linear Technology Datasheet)

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