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TPS73633DBVRG4 from TI,Texas Instruments

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TPS73633DBVRG4

Manufacturer: TI

Cap-Free, NMOS, 400mA Low Dropout Regulator with Reverse Current Protection

Partnumber Manufacturer Quantity Availability
TPS73633DBVRG4 TI 14400 In Stock

Description and Introduction

Cap-Free, NMOS, 400mA Low Dropout Regulator with Reverse Current Protection The TPS73633DBVRG4 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 400mA  
- **Dropout Voltage:** 110mV (typical at 400mA load)  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Quiescent Current:** 75µA (typical)  
- **PSRR (Power Supply Rejection Ratio):** 70dB at 1kHz  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5 (DBV)  

### **Descriptions:**  
- The TPS73633DBVRG4 is a high-performance LDO regulator designed for low-power applications.  
- It provides a stable 3.3V output with low noise and high PSRR, making it suitable for noise-sensitive circuits.  
- Features reverse-current protection and thermal shutdown for enhanced reliability.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Low Noise:** Optimized for precision analog and RF applications.  
- **Enable Pin:** Allows shutdown mode, reducing current consumption to <1µA.  
- **Stable with Ceramic Capacitors:** Requires only a 1µF output capacitor for stability.  
- **Thermal and Overcurrent Protection:** Safeguards the device under fault conditions.  

This information is sourced directly from TI's datasheet for the TPS73633DBVRG4.

Application Scenarios & Design Considerations

Cap-Free, NMOS, 400mA Low Dropout Regulator with Reverse Current Protection

Alternative Part Number

  • LP2985AIM5-3.3 --: Low-dropout 3.3V linear regulator in SOT-23-5 with similar current capability and pin-compatible footprint, widely available and cost-effective.
  • MIC5205-3.3YM5 --: 3.3V LDO regulator in SOT-23-5 with low dropout and low quiescent current, suitable drop-in replacement for many TPS73633 applications.
  • AP2112K-3.3TRG1 --: 3.3V CMOS LDO in SOT-23-5 offering low dropout and stable performance, a common alternative when TI parts are unavailable.

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