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ISL9003AIEMZ-T from INTERSIL

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ISL9003AIEMZ-T

Manufacturer: INTERSIL

Low Noise LDO with Low IQ and High PSRR

Partnumber Manufacturer Quantity Availability
ISL9003AIEMZ-T,ISL9003AIEMZT INTERSIL 18000 In Stock

Description and Introduction

Low Noise LDO with Low IQ and High PSRR The ISL9003AIEMZ-T is a low-dropout (LDO) linear regulator manufactured by Renesas Electronics. Below are its key specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to 5.0V  
- **Output Current:** Up to 300mA  
- **Dropout Voltage:** 200mV (typical) at 300mA load  
- **Quiescent Current:** 40µA (typical)  
- **Accuracy:** ±1.5% (over line, load, and temperature)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 6-Lead DFN (2mm x 2mm)  

### **Descriptions:**  
The ISL9003AIEMZ-T is a high-performance, low-dropout linear regulator designed for portable and battery-powered applications. It provides excellent line and load transient response while maintaining low quiescent current, making it suitable for power-sensitive designs.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Low Quiescent Current:** Extends battery life in portable applications.  
- **Stable with Ceramic Capacitors:** Requires only a 1µF ceramic output capacitor for stability.  
- **Enable Pin (EN):** Allows for power-saving shutdown mode when not in use.  
- **Thermal Shutdown & Current Limit Protection:** Protects the device from overheating and overcurrent conditions.  
- **Adjustable Output Voltage:** Provides flexibility for various applications.  

This information is strictly factual and sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Low Noise LDO with Low IQ and High PSRR

Alternative Part Number

  • LP5907MFX-3.3/NOPB --: Low-noise 250 mA LDO in SOT-23-5 with similar dropout and quiescent current, a common drop-in replacement for ISL9003 LDO applications.
  • MIC5219-3.3YM5-TR --: 500 mA low-dropout regulator in SOT-23-5 with comparable noise and PSRR performance, suitable for the same portable power rails.
  • TLV70233PDBVR --: 300 mA low-IQ LDO in SOT-23-5 offering similar output current and stability, widely available alternative for ISL9003 designs.
  • LP2985AIM5-3.3/NOPB --: Widely used 150mA low-noise LDO in SOT-23-5 with fixed 3.3V output, offering comparable performance and easy availability.
  • AP2112K-3.3TRG1 --: 600mA CMOS LDO in SOT-23-5 with fixed 3.3V output, providing higher current headroom and a clearly different part series.

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