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LTC1844ES5-1.8#PBF from LINEAR

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LTC1844ES5-1.8#PBF

Manufacturer: LINEAR

150mA, Micropower, Low Noise, VLDO Linear Regulator

Partnumber Manufacturer Quantity Availability
LTC1844ES5-1.8#PBF,LTC1844ES518PBF LINEAR 123 In Stock

Description and Introduction

150mA, Micropower, Low Noise, VLDO Linear Regulator The LTC1844ES5-1.8#PBF is a low-power, high-efficiency step-down DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage:** Fixed 1.8V  
- **Output Current:** Up to 300mA  
- **Switching Frequency:** 1.2MHz  
- **Efficiency:** Up to 95%  
- **Quiescent Current:** 20µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  
- **Features:**  
  - Low dropout operation  
  - No external Schottky diode required  
  - Internal soft-start  
  - Short-circuit protection  
  - Thermal shutdown  
  - Automatic Burst Mode® operation for improved efficiency at light loads  

### **Description:**  
The LTC1844 is a synchronous step-down DC/DC converter optimized for battery-powered applications. It provides a fixed 1.8V output from an input range of 2.5V to 5.5V, making it suitable for portable devices. The high switching frequency allows the use of small external components, while Burst Mode operation enhances efficiency at light loads.  

### **Features:**  
- **High Efficiency:** Up to 95%  
- **Low Quiescent Current:** 20µA (typical)  
- **Compact Design:** Requires minimal external components  
- **Burst Mode Operation:** Improves light-load efficiency  
- **Integrated Power Switches:** No external diode needed  
- **Protection Features:** Short-circuit and thermal shutdown  

This device is ideal for applications requiring small size, high efficiency, and low power consumption, such as portable electronics and battery-powered systems.

Application Scenarios & Design Considerations

150mA, Micropower, Low Noise, VLDO Linear Regulator

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For immediate assistance, call us at +86 533 2716050 or email [email protected]

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