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TL1963ADCQR from TI,Texas Instruments

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TL1963ADCQR

Manufacturer: TI

Single Output LDO, 1.5A, Adj. (1.21V to 20V), Fast Transient Response 6-SOT-223

Partnumber Manufacturer Quantity Availability
TL1963ADCQR TI 2912 In Stock

Description and Introduction

Single Output LDO, 1.5A, Adj. (1.21V to 20V), Fast Transient Response 6-SOT-223 The TL1963ADCQR is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 1.21V to 20V  
- **Output Voltage Range:** Adjustable (1.21V to 20V) or Fixed (1.5V, 1.8V, 2.5V, 3.3V, 5V)  
- **Output Current:** 1.5A  
- **Dropout Voltage:** 340mV (typical) at 1.5A  
- **Line Regulation:** 0.02%/V (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Quiescent Current:** 1mA (typical)  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** 6-Pin SOT-223 (DCQ)  

### **Descriptions:**  
The TL1963ADCQR is a high-performance LDO regulator designed for applications requiring high efficiency and fast transient response. It provides a stable output voltage with low noise and high PSRR (Power Supply Rejection Ratio). The device includes protection features such as thermal shutdown, current limit, and reverse-battery protection.  

### **Features:**  
- **Low Dropout Voltage:** 340mV at 1.5A  
- **High PSRR:** 75dB at 10kHz  
- **Fast Transient Response**  
- **Adjustable or Fixed Output Voltage Options**  
- **Thermal Shutdown & Current Limit Protection**  
- **Stable with Low-ESR Ceramic Capacitors (≥10µF)**  
- **Reverse-Battery Protection**  

This information is strictly based on the manufacturer's datasheet and knowledge base.

Application Scenarios & Design Considerations

Single Output LDO, 1.5A, Adj. (1.21V to 20V), Fast Transient Response 6-SOT-223

Alternative Part Number

  • LT1963AEQ#PBF --: Same 1.5A low-noise LDO family with equivalent dropout and noise performance; the original TL1963A was designed as a pin-compatible clone of the LT1963A, so this is the closest functional match.
  • TPS7A4700RGWR --: Ultra-low-noise 1A LDO from TI with excellent PSRR, suitable replacement when slightly lower current is acceptable and superior noise performance is desired.
  • MIC29152WT --: 1.5A adjustable low-dropout regulator with comparable dropout voltage and current rating, a common alternative for TL1963A applications.

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