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TPS74801RGWR from TEXASINSTRUM

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TPS74801RGWR

Manufacturer: TEXASINSTRUM, TI

Single Output LDO, 1.5A, Adj. (0.8 to 3.6V), Programmable Soft-Start 20-VQFN -40 to 125

Partnumber Manufacturer Quantity Availability
TPS74801RGWR TEXASINSTRUM, TI 11073 In Stock

Description and Introduction

Single Output LDO, 1.5A, Adj. (0.8 to 3.6V), Programmable Soft-Start 20-VQFN -40 to 125 The TPS74801RGWR is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage Range:** Adjustable from 0.8 V to 5.5 V  
- **Output Current:** Up to 3 A  
- **Dropout Voltage:** 85 mV (typical) at 3 A  
- **Input Voltage Range:** 1.4 V to 6.5 V  
- **Accuracy:** ±1% (over line, load, and temperature)  
- **Quiescent Current:** 1.1 mA (typical)  
- **Thermal Shutdown & Overcurrent Protection:** Yes  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 20-pin VQFN (RGWR)  

### **Descriptions & Features:**  
- **High Efficiency:** Low dropout voltage improves efficiency in power-sensitive applications.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Power Good (PG) Output:** Monitors output voltage status.  
- **Wide Input Voltage Range:** Suitable for various power sources.  
- **Stable with Ceramic Capacitors:** Requires only 10 μF (minimum) on the output.  
- **Thermal & Overcurrent Protection:** Enhances reliability.  
- **Adjustable Output:** External resistor divider allows voltage customization.  

This LDO is commonly used in industrial, telecom, and computing applications requiring precise voltage regulation.  

(Source: Texas Instruments Datasheet)

Application Scenarios & Design Considerations

Single Output LDO, 1.5A, Adj. (0.8 to 3.6V), Programmable Soft-Start 20-VQFN -40 to 125

Alternative Part Number

  • TPS7A8101DRBR --: Low-noise 1A LDO in a different TPS7A series with similar input range and adjustable output, suitable drop-in for many TPS74801 applications.
  • LP38501TJ-ADJ --: 1.5A adjustable LDO from the LP series with comparable dropout and current capability, offering a distinct naming series alternative.
  • LT3081ER --: 1.5A adjustable low-dropout regulator with wide input range and current monitoring, a robust cross-manufacturer alternative when TI parts are unavailable.
  • LP38853S-1.2 --: Low-dropout linear regulator in a different series with comparable current capability and adjustable/output voltage options, suitable as a functional substitute in many 1.2V-rail applications.
  • MIC59300YML --: 3A low-dropout regulator from a different vendor and naming series, offering similar dropout and current performance for point-of-load regulation.

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